diff --git a/.github/workflows/build-and-test.yaml b/.github/workflows/build-and-test.yaml
index ab4e8ec..f558151 100644
--- a/.github/workflows/build-and-test.yaml
+++ b/.github/workflows/build-and-test.yaml
@@ -36,6 +36,7 @@ jobs:
           workspaces: |
             packages/wasm-utxo
             packages/wasm-bip32
+            packages/wasm-solana
           cache-on-failure: true
 
       - name: Setup Node
@@ -85,6 +86,8 @@ jobs:
             packages/wasm-utxo/js/wasm/
             packages/wasm-bip32/dist/
             packages/wasm-bip32/js/wasm/
+            packages/wasm-solana/dist/
+            packages/wasm-solana/js/wasm/
           retention-days: 1
 
   test:
@@ -94,7 +97,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        package: [wasm-bip32, wasm-utxo]
+        package: [wasm-bip32, wasm-utxo, wasm-solana]
         include:
           - package: wasm-utxo
             needs-wasm-pack: true
@@ -102,6 +105,9 @@ jobs:
           - package: wasm-bip32
             needs-wasm-pack: false
             has-wasm-pack-tests: false
+          - package: wasm-solana
+            needs-wasm-pack: false
+            has-wasm-pack-tests: false
     steps:
       - uses: actions/checkout@v4
         with:
diff --git a/package-lock.json b/package-lock.json
index 88d599b..6bbcfe9 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -122,15 +122,17 @@
       "license": "ISC"
     },
     "node_modules/@bitgo/secp256k1": {
-      "version": "1.8.0",
-      "resolved": "https://registry.npmjs.org/@bitgo/secp256k1/-/secp256k1-1.8.0.tgz",
-      "integrity": "sha512-sdVLB9qtrgL9Yi0vmCQIbeGZcTXhMwoadHEWZd1gka9Z0n3G4sdwxR+P2d2vFbgNbAJFt/9k8b1WOX9RFZ5e4w==",
+      "version": "1.9.0",
+      "resolved": "https://registry.npmjs.org/@bitgo/secp256k1/-/secp256k1-1.9.0.tgz",
+      "integrity": "sha512-1iwJ4BnG8WovUcWkjIR2n+9IgfOz07jKThvpWxuq6HIUsjoUDkMndrpcIrs+4c+CmPUWb74u4rVCo13EdW3zPw==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
         "@brandonblack/musig": "^0.0.1-alpha.0",
         "@noble/secp256k1": "1.6.3",
         "bip32": "^3.0.1",
+        "bitcoinjs-message": "npm:@bitgo-forks/bitcoinjs-message@1.0.0-master.3",
+        "bs58check": "^2.1.2",
         "create-hash": "^1.2.0",
         "create-hmac": "^1.1.7",
         "ecpair": "npm:@bitgo/ecpair@2.1.0-rc.0"
@@ -175,6 +177,10 @@
       "resolved": "packages/wasm-bip32",
       "link": true
     },
+    "node_modules/@bitgo/wasm-solana": {
+      "resolved": "packages/wasm-solana",
+      "link": true
+    },
     "node_modules/@bitgo/wasm-utxo": {
       "resolved": "packages/wasm-utxo",
       "link": true
@@ -2954,6 +2960,7 @@
       "integrity": "sha512-/g2d4sW9nUDJOMz3mabVQvOGhVa4e/BN/Um7yca9Bb2XTzPPnfTWHWQg+IsEYO7M3Vx+EXvaM/I2pJWIMun1bg==",
       "dev": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "@octokit/auth-token": "^4.0.0",
         "@octokit/graphql": "^7.1.0",
@@ -3332,6 +3339,7 @@
       "integrity": "sha512-DhGl4xMVFGVIyMwswXeyzdL4uXD5OGILGX5N8Y+f6W7LhC1Ze2poSNrkF/fedpVDHEEZ+PHFW0vL14I+mm8K3Q==",
       "dev": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "@octokit/auth-token": "^6.0.0",
         "@octokit/graphql": "^9.0.3",
@@ -3562,6 +3570,7 @@
       "integrity": "sha512-5gTmgEY/sqK6gFXLIsQNH19lWb4ebPDLA4SdLP7dsWkIXHWlG66oPuVvXSGFPppYZz8ZDZq0dYYrbHfBCVUb1Q==",
       "dev": true,
       "license": "MIT",
+      "peer": true,
       "engines": {
         "node": ">=12"
       },
@@ -4662,6 +4671,7 @@
       "integrity": "sha512-lJi3PfxVmo0AkEY93ecfN+r8SofEqZNGByvHAI3GBLrvt1Cw6H5k1IM02nSzu0RfUafr2EvFSw0wAsZgubNplQ==",
       "dev": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "@typescript-eslint/scope-manager": "8.47.0",
         "@typescript-eslint/types": "8.47.0",
@@ -5137,6 +5147,7 @@
       "integrity": "sha512-NZyJarBfL7nWwIq+FDL6Zp/yHEhePMNnnJ0y3qfieCrmNvYct8uvtiV41UvlSe6apAfk0fY1FbWx+NwfmpvtTg==",
       "dev": true,
       "license": "MIT",
+      "peer": true,
       "bin": {
         "acorn": "bin/acorn"
       },
@@ -5199,6 +5210,7 @@
       "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.6.tgz",
       "integrity": "sha512-j3fVLgvTo527anyYyJOGTYJbG+vnnQYvE0m5mmkc1TK+nxAppkCLMIL0aZ4dblVCNoGShhm+kzE4ZUykBoMg4g==",
       "dev": true,
+      "peer": true,
       "dependencies": {
         "fast-deep-equal": "^3.1.1",
         "fast-json-stable-stringify": "^2.0.0",
@@ -5643,6 +5655,32 @@
         "node": ">=8.0.0"
       }
     },
+    "node_modules/bitcoinjs-message": {
+      "name": "@bitgo-forks/bitcoinjs-message",
+      "version": "1.0.0-master.3",
+      "resolved": "https://registry.npmjs.org/@bitgo-forks/bitcoinjs-message/-/bitcoinjs-message-1.0.0-master.3.tgz",
+      "integrity": "sha512-mWMXFSb9pTcbxcvU4cQGkickuhPDnpadHs6eUK6F07pJZ42O4eA3j0anwfTsfpqs8UpSzM8UtrUEG4ao5+/yZg==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "bech32": "^1.1.3",
+        "bs58check": "^2.1.2",
+        "buffer-equals": "^1.0.3",
+        "create-hash": "^1.1.2",
+        "secp256k1": "5.0.1",
+        "varuint-bitcoin": "^1.0.1"
+      },
+      "engines": {
+        "node": ">=0.10"
+      }
+    },
+    "node_modules/bitcoinjs-message/node_modules/bech32": {
+      "version": "1.1.4",
+      "resolved": "https://registry.npmjs.org/bech32/-/bech32-1.1.4.tgz",
+      "integrity": "sha512-s0IrSOzLlbvX7yp4WBfPITzpAU8sqQcpsmwXDiKwrG4r491vwCO/XpejasRNl0piBMe/DvP4Tz0mIS/X1DPJBQ==",
+      "dev": true,
+      "license": "MIT"
+    },
     "node_modules/bl": {
       "version": "4.1.0",
       "resolved": "https://registry.npmjs.org/bl/-/bl-4.1.0.tgz",
@@ -5824,6 +5862,7 @@
           "url": "https://github.com/sponsors/ai"
         }
       ],
+      "peer": true,
       "dependencies": {
         "caniuse-lite": "^1.0.30001646",
         "electron-to-chromium": "^1.5.4",
@@ -5859,6 +5898,16 @@
         "safe-buffer": "^5.1.2"
       }
     },
+    "node_modules/buffer-equals": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/buffer-equals/-/buffer-equals-1.0.4.tgz",
+      "integrity": "sha512-99MsCq0j5+RhubVEtKQgKaD6EM+UP3xJgIvQqwJ3SOLDUekzxMX1ylXBng+Wa2sh7mGT0W6RUly8ojjr1Tt6nA==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
     "node_modules/buffer-from": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/buffer-from/-/buffer-from-1.1.2.tgz",
@@ -7966,6 +8015,7 @@
       "integrity": "sha512-BhHmn2yNOFA9H9JmmIVKJmd288g9hrVRDkdoIgRCRuSySRUHH7r/DI6aAXW9T1WwUuY3DFgrcaqB+deURBLR5g==",
       "dev": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "@eslint-community/eslint-utils": "^4.8.0",
         "@eslint-community/regexpp": "^4.12.1",
@@ -8808,7 +8858,8 @@
     "node_modules/fp-ts": {
       "version": "2.16.9",
       "resolved": "https://registry.npmjs.org/fp-ts/-/fp-ts-2.16.9.tgz",
-      "integrity": "sha512-+I2+FnVB+tVaxcYyQkHUq7ZdKScaBlX53A41mxQtpIccsfyv8PzdzP7fzp2AY832T4aoK6UZ5WRX/ebGd8uZuQ=="
+      "integrity": "sha512-+I2+FnVB+tVaxcYyQkHUq7ZdKScaBlX53A41mxQtpIccsfyv8PzdzP7fzp2AY832T4aoK6UZ5WRX/ebGd8uZuQ==",
+      "peer": true
     },
     "node_modules/fresh": {
       "version": "0.5.2",
@@ -10250,6 +10301,7 @@
       "version": "2.2.21",
       "resolved": "https://registry.npmjs.org/io-ts/-/io-ts-2.2.21.tgz",
       "integrity": "sha512-zz2Z69v9ZIC3mMLYWIeoUcwWD6f+O7yP92FMVVaXEOSZH1jnVBmET/urd/uoarD1WGBY4rCj8TAyMPzsGNzMFQ==",
+      "peer": true,
       "peerDependencies": {
         "fp-ts": "^2.5.0"
       }
@@ -11748,6 +11800,7 @@
       "integrity": "sha512-8dD6FusOQSrpv9Z1rdNMdlSgQOIP880DHqnohobOmYLElGEqAL/JvxvuxZO16r4HtjTlfPRDC1hbvxC9dPN2nA==",
       "dev": true,
       "license": "MIT",
+      "peer": true,
       "bin": {
         "marked": "bin/marked.js"
       },
@@ -12514,6 +12567,7 @@
       "version": "2.3.13",
       "resolved": "https://registry.npmjs.org/monocle-ts/-/monocle-ts-2.3.13.tgz",
       "integrity": "sha512-D5Ygd3oulEoAm3KuGO0eeJIrhFf1jlQIoEVV2DYsZUMz42j4tGxgct97Aq68+F8w4w4geEnwFa8HayTS/7lpKQ==",
+      "peer": true,
       "peerDependencies": {
         "fp-ts": "^2.5.0"
       }
@@ -12817,6 +12871,7 @@
       "version": "0.3.5",
       "resolved": "https://registry.npmjs.org/newtype-ts/-/newtype-ts-0.3.5.tgz",
       "integrity": "sha512-v83UEQMlVR75yf1OUdoSFssjitxzjZlqBAjiGQ4WJaML8Jdc68LJ+BaSAXUmKY4bNzp7hygkKLYTsDi14PxI2g==",
+      "peer": true,
       "peerDependencies": {
         "fp-ts": "^2.0.0",
         "monocle-ts": "^2.0.0"
@@ -12832,6 +12887,13 @@
         "tslib": "^2.0.3"
       }
     },
+    "node_modules/node-addon-api": {
+      "version": "5.1.0",
+      "resolved": "https://registry.npmjs.org/node-addon-api/-/node-addon-api-5.1.0.tgz",
+      "integrity": "sha512-eh0GgfEkpnoWDq+VY8OyvYhFEzBk6jIYbRKdIlyTiAXIVJ8PyBaKb0rp7oDtoddbdoHWhq8wwr+XZ81F1rpNdA==",
+      "dev": true,
+      "license": "MIT"
+    },
     "node_modules/node-emoji": {
       "version": "2.2.0",
       "resolved": "https://registry.npmjs.org/node-emoji/-/node-emoji-2.2.0.tgz",
@@ -12882,6 +12944,18 @@
         "node": "^18.17.0 || >=20.5.0"
       }
     },
+    "node_modules/node-gyp-build": {
+      "version": "4.8.4",
+      "resolved": "https://registry.npmjs.org/node-gyp-build/-/node-gyp-build-4.8.4.tgz",
+      "integrity": "sha512-LA4ZjwlnUblHVgq0oBF3Jl/6h/Nvs5fzBLwdEF4nuxnFdsfajde4WfxtJr3CaiH+F6ewcIB/q4jQ4UzPyid+CQ==",
+      "dev": true,
+      "license": "MIT",
+      "bin": {
+        "node-gyp-build": "bin.js",
+        "node-gyp-build-optional": "optional.js",
+        "node-gyp-build-test": "build-test.js"
+      }
+    },
     "node_modules/node-gyp/node_modules/@npmcli/agent": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/@npmcli/agent/-/agent-3.0.0.tgz",
@@ -15222,6 +15296,7 @@
       "dev": true,
       "inBundle": true,
       "license": "MIT",
+      "peer": true,
       "engines": {
         "node": ">=12"
       },
@@ -15373,6 +15448,7 @@
       "dev": true,
       "hasInstallScript": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "@napi-rs/wasm-runtime": "0.2.4",
         "@yarnpkg/lockfile": "^1.1.0",
@@ -16679,6 +16755,7 @@
           "url": "https://github.com/sponsors/ai"
         }
       ],
+      "peer": true,
       "dependencies": {
         "nanoid": "^3.3.7",
         "picocolors": "^1.0.1",
@@ -17764,6 +17841,22 @@
         "url": "https://opencollective.com/webpack"
       }
     },
+    "node_modules/secp256k1": {
+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/secp256k1/-/secp256k1-5.0.1.tgz",
+      "integrity": "sha512-lDFs9AAIaWP9UCdtWrotXWWF9t8PWgQDcxqgAnpM9rMqxb3Oaq2J0thzPVSxBwdJgyQtkU/sYtFtbM1RSt/iYA==",
+      "dev": true,
+      "hasInstallScript": true,
+      "license": "MIT",
+      "dependencies": {
+        "elliptic": "^6.5.7",
+        "node-addon-api": "^5.0.0",
+        "node-gyp-build": "^4.2.0"
+      },
+      "engines": {
+        "node": ">=18.0.0"
+      }
+    },
     "node_modules/select-hose": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/select-hose/-/select-hose-2.0.0.tgz",
@@ -17789,6 +17882,7 @@
       "integrity": "sha512-6qGjWccl5yoyugHt3jTgztJ9Y0JVzyH8/Voc/D8PlLat9pwxQYXz7W1Dpnq5h0/G5GCYGUaDSlYcyk3AMh5A6g==",
       "dev": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "@semantic-release/commit-analyzer": "^13.0.1",
         "@semantic-release/error": "^4.0.0",
@@ -19901,6 +19995,7 @@
       "integrity": "sha512-5gTmgEY/sqK6gFXLIsQNH19lWb4ebPDLA4SdLP7dsWkIXHWlG66oPuVvXSGFPppYZz8ZDZq0dYYrbHfBCVUb1Q==",
       "dev": true,
       "license": "MIT",
+      "peer": true,
       "engines": {
         "node": ">=12"
       },
@@ -20083,7 +20178,8 @@
       "version": "2.6.3",
       "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.6.3.tgz",
       "integrity": "sha512-xNvxJEOUiWPGhUuUdQgAJPKOOJfGnIyKySOc09XkKsgdUV/3E2zvwZYdejjmRgPCgcym1juLH3226yA7sEFJKQ==",
-      "dev": true
+      "dev": true,
+      "peer": true
     },
     "node_modules/tsx": {
       "version": "4.20.6",
@@ -20236,6 +20332,7 @@
       "integrity": "sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw==",
       "dev": true,
       "license": "Apache-2.0",
+      "peer": true,
       "bin": {
         "tsc": "bin/tsc",
         "tsserver": "bin/tsserver"
@@ -20604,6 +20701,7 @@
       "resolved": "https://registry.npmjs.org/webpack/-/webpack-5.94.0.tgz",
       "integrity": "sha512-KcsGn50VT+06JH/iunZJedYGUJS5FGjow8wb9c0v5n1Om8O1g4L6LjtfxwlXIATopoQu+vOXXa7gYisWxCoPyg==",
       "dev": true,
+      "peer": true,
       "dependencies": {
         "@types/estree": "^1.0.5",
         "@webassemblyjs/ast": "^1.12.1",
@@ -20650,6 +20748,7 @@
       "resolved": "https://registry.npmjs.org/webpack-cli/-/webpack-cli-5.1.4.tgz",
       "integrity": "sha512-pIDJHIEI9LR0yxHXQ+Qh95k2EvXpWzZ5l+d+jIo+RdSm9MiHfzazIxwwni/p7+x4eJZuvG1AJwgC4TNQ7NRgsg==",
       "dev": true,
+      "peer": true,
       "dependencies": {
         "@discoveryjs/json-ext": "^0.5.0",
         "@webpack-cli/configtest": "^2.1.1",
@@ -20733,6 +20832,7 @@
       "resolved": "https://registry.npmjs.org/ajv/-/ajv-8.17.1.tgz",
       "integrity": "sha512-B/gBuNg5SiMTrPkC+A2+cW0RszwxYmn6VYxB/inlBStS5nx6xHIt/ehKRhIMhqusl7a8LjQoZnjCs5vhwxOQ1g==",
       "dev": true,
+      "peer": true,
       "dependencies": {
         "fast-deep-equal": "^3.1.3",
         "fast-uri": "^3.0.1",
@@ -20845,6 +20945,7 @@
       "resolved": "https://registry.npmjs.org/ajv/-/ajv-8.17.1.tgz",
       "integrity": "sha512-B/gBuNg5SiMTrPkC+A2+cW0RszwxYmn6VYxB/inlBStS5nx6xHIt/ehKRhIMhqusl7a8LjQoZnjCs5vhwxOQ1g==",
       "dev": true,
+      "peer": true,
       "dependencies": {
         "fast-deep-equal": "^3.1.3",
         "fast-uri": "^3.0.1",
@@ -21333,14 +21434,14 @@
       }
     },
     "packages/wasm-bip32/node_modules/@bitgo/utxo-lib": {
-      "version": "11.19.0",
-      "resolved": "https://registry.npmjs.org/@bitgo/utxo-lib/-/utxo-lib-11.19.0.tgz",
-      "integrity": "sha512-VOH+n3YXQnce7EevIrs69D5uNP2JWbSpJ4/C9Tpg0Lu4TF0JTw732rkMy17uFWiYPkpycRji179hnhTCk11g7A==",
+      "version": "11.19.1",
+      "resolved": "https://registry.npmjs.org/@bitgo/utxo-lib/-/utxo-lib-11.19.1.tgz",
+      "integrity": "sha512-w6gYqVOMkGHo2U00MsLuiZ4DzKrQ/69emgdypbjZtKGvn331ty4/S4ZEubBAGG6TcXFhzusWOJfg1ra2EP/T/A==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
         "@bitgo/blake2b": "^3.2.4",
-        "@bitgo/secp256k1": "^1.8.0",
+        "@bitgo/secp256k1": "^1.9.0",
         "@brandonblack/musig": "^0.0.1-alpha.0",
         "bech32": "^2.0.0",
         "bip174": "npm:@bitgo-forks/bip174@3.1.0-master.4",
@@ -21380,6 +21481,21 @@
         "node": ">=8.0.0"
       }
     },
+    "packages/wasm-solana": {
+      "name": "@bitgo/wasm-solana",
+      "version": "0.0.1",
+      "license": "MIT",
+      "devDependencies": {
+        "@eslint/js": "^9.17.0",
+        "@types/mocha": "^10.0.7",
+        "@types/node": "^22.10.5",
+        "eslint": "^9.17.0",
+        "mocha": "^10.6.0",
+        "tsx": "4.20.6",
+        "typescript": "^5.5.3",
+        "typescript-eslint": "^8.18.2"
+      }
+    },
     "packages/wasm-utxo": {
       "name": "@bitgo/wasm-utxo",
       "version": "0.0.2",
diff --git a/packages/wasm-solana/.gitignore b/packages/wasm-solana/.gitignore
new file mode 100644
index 0000000..f2d18aa
--- /dev/null
+++ b/packages/wasm-solana/.gitignore
@@ -0,0 +1,10 @@
+target/
+node_modules/
+# we actually only track the .ts files
+dist/
+test/*.js
+test/*.d.ts
+js/*.js
+js/*.d.ts
+js/wasm
+.vscode
diff --git a/packages/wasm-solana/.mocharc.json b/packages/wasm-solana/.mocharc.json
new file mode 100644
index 0000000..f585fb0
--- /dev/null
+++ b/packages/wasm-solana/.mocharc.json
@@ -0,0 +1,5 @@
+{
+  "extensions": ["ts", "tsx", "js", "jsx"],
+  "spec": ["test/**/*.ts"],
+  "node-option": ["import=tsx/esm", "experimental-wasm-modules"]
+}
diff --git a/packages/wasm-solana/.prettierignore b/packages/wasm-solana/.prettierignore
new file mode 100644
index 0000000..05161f9
--- /dev/null
+++ b/packages/wasm-solana/.prettierignore
@@ -0,0 +1,5 @@
+dist/
+target/
+js/wasm/
+pkg/
+node_modules/
diff --git a/packages/wasm-solana/Cargo.lock b/packages/wasm-solana/Cargo.lock
new file mode 100644
index 0000000..27ddb0a
--- /dev/null
+++ b/packages/wasm-solana/Cargo.lock
@@ -0,0 +1,1060 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 4
+
+[[package]]
+name = "async-trait"
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+ "oorandom",
+ "serde",
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+ "hex",
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+ "solana-pubkey",
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+ "quote",
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+[[package]]
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diff --git a/packages/wasm-solana/Cargo.toml b/packages/wasm-solana/Cargo.toml
new file mode 100644
index 0000000..3cb7dad
--- /dev/null
+++ b/packages/wasm-solana/Cargo.toml
@@ -0,0 +1,29 @@
+[package]
+name = "wasm-solana"
+version = "0.1.0"
+edition = "2021"
+
+[lib]
+crate-type = ["cdylib", "rlib"]
+
+[lints.clippy]
+all = "warn"
+
+[dependencies]
+wasm-bindgen = "0.2"
+js-sys = "0.3"
+# Solana SDK crates
+solana-pubkey = { version = "2.0", features = ["curve25519"] }
+solana-keypair = "2.0"
+solana-signer = "2.0"
+# Ed25519 for deriving pubkey from 32-byte seed (solana-keypair expects 64-byte format)
+ed25519-dalek = { version = "2.1", default-features = false, features = ["std"] }
+
+[dev-dependencies]
+wasm-bindgen-test = "0.3"
+serde = { version = "1.0", features = ["derive"] }
+serde_json = "1.0"
+hex = "0.4"
+
+[profile.release]
+strip = true
diff --git a/packages/wasm-solana/Makefile b/packages/wasm-solana/Makefile
new file mode 100644
index 0000000..2e881e6
--- /dev/null
+++ b/packages/wasm-solana/Makefile
@@ -0,0 +1,70 @@
+WASM_PACK = wasm-pack
+WASM_OPT = wasm-opt
+WASM_PACK_FLAGS = --no-pack --weak-refs
+
+ifdef WASM_PACK_DEV
+	WASM_PACK_FLAGS += --dev
+endif
+
+# Auto-detect Mac and use Homebrew LLVM for WASM compilation
+# Apple's Clang doesn't support wasm32-unknown-unknown target
+UNAME_S := $(shell uname -s)
+
+ifeq ($(UNAME_S),Darwin)
+  # Mac detected - check for Homebrew LLVM installation
+  HOMEBREW_LLVM := $(shell brew --prefix llvm 2>/dev/null)
+  
+  ifdef HOMEBREW_LLVM
+    export CC = $(HOMEBREW_LLVM)/bin/clang
+    export AR = $(HOMEBREW_LLVM)/bin/llvm-ar
+    $(info Using Homebrew LLVM: $(HOMEBREW_LLVM))
+  else
+    $(warning Homebrew LLVM not found. Install with: brew install llvm)
+    $(warning Continuing with system clang - may fail on Apple Silicon)
+  endif
+endif
+
+define WASM_PACK_COMMAND
+	$(WASM_PACK) build --no-opt --out-dir $(1) $(WASM_PACK_FLAGS) --target $(2)
+endef
+
+# run wasm-opt separately so we can pass `--enable-bulk-memory`
+define WASM_OPT_COMMAND
+    $(WASM_OPT) --enable-bulk-memory --enable-nontrapping-float-to-int --enable-sign-ext -Oz $(1)/*.wasm -o $(1)/*.wasm
+endef
+
+define REMOVE_GITIGNORE
+	find $(1) -name .gitignore -delete
+endef
+
+define SHOW_WASM_SIZE
+	@find $(1) -name "*.wasm" -exec gzip -k {} \;
+	@find $(1) -name "*.wasm" -exec du -h {} \;
+	@find $(1) -name "*.wasm.gz" -exec du -h {} \;
+	@find $(1) -name "*.wasm.gz" -delete
+endef
+
+define BUILD
+	rm -rf $(1)
+	$(call WASM_PACK_COMMAND,$(1),$(2))
+	$(call WASM_OPT_COMMAND,$(1))
+	$(call REMOVE_GITIGNORE,$(1))
+	$(call SHOW_WASM_SIZE,$(1))
+endef
+
+.PHONY: js/wasm
+js/wasm:
+	$(call BUILD,$@,bundler)
+
+.PHONY: dist/esm/js/wasm
+dist/esm/js/wasm:
+	$(call BUILD,$@,bundler)
+
+.PHONY: dist/cjs/js/wasm
+dist/cjs/js/wasm:
+	$(call BUILD,$@,nodejs)
+
+.PHONY: lint
+lint:
+	cargo fmt --check
+	cargo clippy --all-targets --all-features -- -D warnings
diff --git a/packages/wasm-solana/README.md b/packages/wasm-solana/README.md
new file mode 100644
index 0000000..b93b89d
--- /dev/null
+++ b/packages/wasm-solana/README.md
@@ -0,0 +1,23 @@
+# wasm-solana
+
+WASM bindings for Solana cryptographic operations. This package provides Rust-based bindings for Ed25519 keypair generation, public key operations, and signature verification for Solana.
+
+## Building
+
+### Mac
+
+Requires Homebrew LLVM (Apple's Clang doesn't support WASM targets):
+
+```bash
+brew install llvm
+npm run build
+```
+
+### Docker (optional)
+
+If you prefer a containerized build environment:
+
+```bash
+make -f Container.mk build-image
+make -f Container.mk build-wasm
+```
diff --git a/packages/wasm-solana/eslint.config.js b/packages/wasm-solana/eslint.config.js
new file mode 100644
index 0000000..a94acbe
--- /dev/null
+++ b/packages/wasm-solana/eslint.config.js
@@ -0,0 +1,18 @@
+import eslint from "@eslint/js";
+import tseslint from "typescript-eslint";
+
+export default tseslint.config(
+  eslint.configs.recommended,
+  ...tseslint.configs.recommendedTypeChecked,
+  {
+    languageOptions: {
+      parserOptions: {
+        projectService: true,
+        tsconfigRootDir: import.meta.dirname,
+      },
+    },
+  },
+  {
+    ignores: ["dist/", "pkg/", "target/", "node_modules/", "js/wasm/", "*.config.js"],
+  },
+);
diff --git a/packages/wasm-solana/js/README.md b/packages/wasm-solana/js/README.md
new file mode 100644
index 0000000..f3d7c55
--- /dev/null
+++ b/packages/wasm-solana/js/README.md
@@ -0,0 +1,95 @@
+# Purpose
+
+This directory provides TypeScript wrappers over the WASM bindings generated by `wasm-pack`.
+
+While `wasm-bindgen` generates usable TypeScript types, this wrapper layer provides:
+
+- Better TypeScript signatures with precise types
+- `camelCase` method names (JavaScript convention) wrapping `snake_case` WASM methods (Rust convention)
+- Encapsulation of WASM instances with private constructors
+
+## Architecture
+
+This package follows the **Class Wrapper Pattern**.
+
+### Class Wrapper Pattern
+
+Used for stateful objects that maintain WASM instances (e.g., `Keypair`, `Pubkey`).
+
+**Characteristics:**
+
+- Private `_wasm` property holds the underlying WASM instance
+- Private constructor prevents direct instantiation
+- Static factory methods (camelCase) for object creation
+- Instance methods (camelCase) wrap WASM methods
+- Public `wasm` getter for internal access (marked `@internal`)
+
+### Example
+
+Given a WASM-generated class:
+
+```typescript
+// wasm/wasm_solana.d.ts (generated by wasm-bindgen)
+export class WasmKeypair {
+  static from_secret_key(secret_key: Uint8Array): WasmKeypair;
+  readonly public_key: Uint8Array;
+  address(): string;
+}
+```
+
+We create a wrapper class:
+
+```typescript
+// keypair.ts
+import { WasmKeypair } from "./wasm/wasm_solana.js";
+
+export class Keypair {
+  private constructor(private _wasm: WasmKeypair) {}
+
+  // Static factory method (camelCase)
+  static fromSecretKey(secretKey: Uint8Array): Keypair {
+    const wasm = WasmKeypair.from_secret_key(secretKey);
+    return new Keypair(wasm);
+  }
+
+  // Property getter (camelCase) accesses snake_case WASM property
+  get publicKey(): Uint8Array {
+    return this._wasm.public_key;
+  }
+
+  // Instance method (camelCase) calls snake_case WASM method
+  getAddress(): string {
+    return this._wasm.address();
+  }
+
+  /** @internal */
+  get wasm(): WasmKeypair {
+    return this._wasm;
+  }
+}
+```
+
+### Main Entry Point
+
+The `index.ts` file exports:
+
+- Namespace exports for explicit imports (`export * as keypair`)
+- Top-level class exports for convenience (`export { Keypair }`)
+
+```typescript
+// index.ts
+export * as keypair from "./keypair.js";
+export * as pubkey from "./pubkey.js";
+
+export { Keypair } from "./keypair.js";
+export { Pubkey } from "./pubkey.js";
+```
+
+## Naming Conventions
+
+| Layer      | Convention   | Example                         |
+| ---------- | ------------ | ------------------------------- |
+| Rust WASM  | `snake_case` | `from_secret_key`, `public_key` |
+| TypeScript | `camelCase`  | `fromSecretKey`, `publicKey`    |
+
+**Important:** Rust exports use `snake_case` with no `js_name` overrides. TypeScript wrappers handle the conversion to `camelCase`.
diff --git a/packages/wasm-solana/js/index.ts b/packages/wasm-solana/js/index.ts
new file mode 100644
index 0000000..217c524
--- /dev/null
+++ b/packages/wasm-solana/js/index.ts
@@ -0,0 +1,12 @@
+import * as wasm from "./wasm/wasm_solana.js";
+
+// Force webpack to include the WASM module
+void wasm;
+
+// Namespace exports for explicit imports
+export * as keypair from "./keypair.js";
+export * as pubkey from "./pubkey.js";
+
+// Top-level class exports for convenience
+export { Keypair } from "./keypair.js";
+export { Pubkey } from "./pubkey.js";
diff --git a/packages/wasm-solana/js/keypair.ts b/packages/wasm-solana/js/keypair.ts
new file mode 100644
index 0000000..3ed3e68
--- /dev/null
+++ b/packages/wasm-solana/js/keypair.ts
@@ -0,0 +1,70 @@
+import { WasmKeypair } from "./wasm/wasm_solana.js";
+
+/**
+ * Solana Ed25519 Keypair for address generation and signing
+ *
+ * A keypair consists of a 32-byte secret key and a 32-byte public key.
+ * The public key (base58-encoded) is the Solana address.
+ */
+export class Keypair {
+  private constructor(private _wasm: WasmKeypair) {}
+
+  /**
+   * Create a keypair from a 32-byte secret key
+   * @param secretKey - The 32-byte Ed25519 secret key
+   * @returns A Keypair instance
+   */
+  static fromSecretKey(secretKey: Uint8Array): Keypair {
+    const wasm = WasmKeypair.from_secret_key(secretKey);
+    return new Keypair(wasm);
+  }
+
+  /**
+   * Create a keypair from a 64-byte Solana secret key (secret + public concatenated)
+   * This is the format used by @solana/web3.js Keypair.fromSecretKey()
+   * @param secretKey - The 64-byte Solana secret key
+   * @returns A Keypair instance
+   */
+  static fromSolanaSecretKey(secretKey: Uint8Array): Keypair {
+    const wasm = WasmKeypair.from_solana_secret_key(secretKey);
+    return new Keypair(wasm);
+  }
+
+  /**
+   * Get the public key as a 32-byte Uint8Array
+   */
+  get publicKey(): Uint8Array {
+    return this._wasm.public_key;
+  }
+
+  /**
+   * Get the secret key as a 32-byte Uint8Array
+   */
+  get secretKey(): Uint8Array {
+    return this._wasm.secret_key;
+  }
+
+  /**
+   * Get the Solana address (base58-encoded public key)
+   * @returns The address as a base58 string
+   */
+  getAddress(): string {
+    return this._wasm.address();
+  }
+
+  /**
+   * Get the public key as a base58 string
+   * @returns The public key as a base58 string
+   */
+  toBase58(): string {
+    return this._wasm.to_base58();
+  }
+
+  /**
+   * Get the underlying WASM instance (internal use only)
+   * @internal
+   */
+  get wasm(): WasmKeypair {
+    return this._wasm;
+  }
+}
diff --git a/packages/wasm-solana/js/pubkey.ts b/packages/wasm-solana/js/pubkey.ts
new file mode 100644
index 0000000..03feee0
--- /dev/null
+++ b/packages/wasm-solana/js/pubkey.ts
@@ -0,0 +1,77 @@
+import { WasmPubkey } from "./wasm/wasm_solana.js";
+
+/**
+ * Solana public key (address)
+ *
+ * A Solana address is a 32-byte Ed25519 public key, typically represented as a base58 string.
+ */
+export class Pubkey {
+  private constructor(private _wasm: WasmPubkey) {}
+
+  /**
+   * Create a Pubkey from a base58 string
+   * @param address - The base58-encoded address
+   * @returns A Pubkey instance
+   */
+  static fromBase58(address: string): Pubkey {
+    const wasm = WasmPubkey.from_base58(address);
+    return new Pubkey(wasm);
+  }
+
+  /**
+   * Create a Pubkey from raw bytes (32 bytes)
+   * @param bytes - The 32-byte public key
+   * @returns A Pubkey instance
+   */
+  static fromBytes(bytes: Uint8Array): Pubkey {
+    const wasm = WasmPubkey.from_bytes(bytes);
+    return new Pubkey(wasm);
+  }
+
+  /**
+   * Convert to base58 string (the standard Solana address format)
+   * @returns The address as a base58 string
+   */
+  toBase58(): string {
+    return this._wasm.to_base58();
+  }
+
+  /**
+   * Get as raw bytes (32 bytes)
+   * @returns The public key as a Uint8Array
+   */
+  toBytes(): Uint8Array {
+    return this._wasm.to_bytes();
+  }
+
+  /**
+   * Check if two pubkeys are equal
+   * @param other - The other Pubkey to compare
+   * @returns true if the pubkeys are equal
+   */
+  equals(other: Pubkey): boolean {
+    return this._wasm.equals(other._wasm);
+  }
+
+  /**
+   * Check if this public key is on the Ed25519 curve.
+   *
+   * Regular Solana keypair addresses are on the curve, while Program Derived Addresses (PDAs)
+   * are intentionally off the curve to ensure they can only be signed by programs.
+   *
+   * This is equivalent to `@solana/web3.js` `PublicKey.isOnCurve()`.
+   *
+   * @returns true if the public key is on the Ed25519 curve
+   */
+  isOnCurve(): boolean {
+    return this._wasm.is_on_curve();
+  }
+
+  /**
+   * Get the underlying WASM instance (internal use only)
+   * @internal
+   */
+  get wasm(): WasmPubkey {
+    return this._wasm;
+  }
+}
diff --git a/packages/wasm-solana/package.json b/packages/wasm-solana/package.json
new file mode 100644
index 0000000..562aca2
--- /dev/null
+++ b/packages/wasm-solana/package.json
@@ -0,0 +1,63 @@
+{
+  "name": "@bitgo/wasm-solana",
+  "description": "WebAssembly wrapper for Solana cryptographic operations",
+  "version": "0.0.1",
+  "private": true,
+  "type": "module",
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/BitGo/BitGoWASM"
+  },
+  "license": "MIT",
+  "files": [
+    "dist/esm/js/**/*",
+    "dist/cjs/js/**/*",
+    "dist/cjs/package.json"
+  ],
+  "exports": {
+    ".": {
+      "import": {
+        "types": "./dist/esm/js/index.d.ts",
+        "default": "./dist/esm/js/index.js"
+      },
+      "require": {
+        "types": "./dist/cjs/js/index.d.ts",
+        "default": "./dist/cjs/js/index.js"
+      }
+    }
+  },
+  "main": "./dist/cjs/js/index.js",
+  "module": "./dist/esm/js/index.js",
+  "types": "./dist/esm/js/index.d.ts",
+  "sideEffects": [
+    "./dist/esm/js/wasm/wasm_solana.js",
+    "./dist/cjs/js/wasm/wasm_solana.js"
+  ],
+  "scripts": {
+    "test": "npm run test:mocha",
+    "test:mocha": "mocha --recursive test",
+    "build:wasm": "make js/wasm && make dist/esm/js/wasm && make dist/cjs/js/wasm",
+    "build:ts-esm": "tsc",
+    "build:ts-cjs": "tsc --project tsconfig.cjs.json",
+    "build:ts": "npm run build:ts-esm && npm run build:ts-cjs",
+    "build:package-json": "echo '{\"type\":\"commonjs\"}' > dist/cjs/package.json",
+    "build": "npm run build:wasm && npm run build:ts && npm run build:package-json",
+    "check-fmt": "prettier --check . && cargo fmt -- --check",
+    "lint": "eslint .",
+    "lint:fix": "eslint . --fix"
+  },
+  "devDependencies": {
+    "@eslint/js": "^9.17.0",
+    "@types/mocha": "^10.0.7",
+    "@types/node": "^22.10.5",
+    "eslint": "^9.17.0",
+    "mocha": "^10.6.0",
+    "tsx": "4.20.6",
+    "typescript": "^5.5.3",
+    "typescript-eslint": "^8.18.2"
+  },
+  "publishConfig": {
+    "access": "public",
+    "registry": "https://registry.npmjs.org/"
+  }
+}
diff --git a/packages/wasm-solana/src/error.rs b/packages/wasm-solana/src/error.rs
new file mode 100644
index 0000000..18bde38
--- /dev/null
+++ b/packages/wasm-solana/src/error.rs
@@ -0,0 +1,43 @@
+use core::fmt;
+use wasm_bindgen::prelude::*;
+
+#[derive(Debug, Clone)]
+pub enum WasmSolanaError {
+    StringError(String),
+}
+
+impl std::error::Error for WasmSolanaError {}
+
+impl fmt::Display for WasmSolanaError {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        match self {
+            WasmSolanaError::StringError(s) => write!(f, "{}", s),
+        }
+    }
+}
+
+impl From<&str> for WasmSolanaError {
+    fn from(s: &str) -> Self {
+        WasmSolanaError::StringError(s.to_string())
+    }
+}
+
+impl From<String> for WasmSolanaError {
+    fn from(s: String) -> Self {
+        WasmSolanaError::StringError(s)
+    }
+}
+
+impl WasmSolanaError {
+    pub fn new(s: &str) -> WasmSolanaError {
+        WasmSolanaError::StringError(s.to_string())
+    }
+}
+
+// Required for wasm_bindgen to convert errors to JavaScript exceptions
+// Uses js_sys::Error to create a proper JavaScript Error with stack trace
+impl From<WasmSolanaError> for JsValue {
+    fn from(err: WasmSolanaError) -> Self {
+        js_sys::Error::new(&err.to_string()).into()
+    }
+}
diff --git a/packages/wasm-solana/src/keypair.rs b/packages/wasm-solana/src/keypair.rs
new file mode 100644
index 0000000..a8c5f80
--- /dev/null
+++ b/packages/wasm-solana/src/keypair.rs
@@ -0,0 +1,140 @@
+//! Ed25519 keypair implementation for Solana.
+//!
+//! Wraps `solana_keypair::Keypair` for WASM compatibility.
+
+use crate::error::WasmSolanaError;
+use solana_signer::Signer;
+
+/// Re-export the underlying Solana Keypair type.
+pub use solana_keypair::Keypair;
+
+/// Extension trait for Keypair to add WASM-friendly methods.
+pub trait KeypairExt {
+    fn from_secret_key_bytes(secret_key: &[u8]) -> Result<Keypair, WasmSolanaError>;
+    fn from_solana_secret_key(secret_key: &[u8]) -> Result<Keypair, WasmSolanaError>;
+    fn public_key_bytes(&self) -> [u8; 32];
+    fn secret_key_bytes(&self) -> [u8; 32];
+    fn address(&self) -> String;
+}
+
+impl KeypairExt for Keypair {
+    /// Create a keypair from a 32-byte secret key (Ed25519 seed).
+    fn from_secret_key_bytes(secret_key: &[u8]) -> Result<Keypair, WasmSolanaError> {
+        if secret_key.len() != 32 {
+            return Err(WasmSolanaError::new(&format!(
+                "Secret key must be 32 bytes, got {}",
+                secret_key.len()
+            )));
+        }
+
+        // Generate public key from secret to create full 64-byte format
+        use ed25519_dalek::SigningKey;
+        let bytes: [u8; 32] = secret_key
+            .try_into()
+            .map_err(|_| WasmSolanaError::new("Failed to convert secret key to array"))?;
+        let signing_key = SigningKey::from_bytes(&bytes);
+        let pubkey_bytes = signing_key.verifying_key().to_bytes();
+
+        let mut full_secret = [0u8; 64];
+        full_secret[..32].copy_from_slice(secret_key);
+        full_secret[32..].copy_from_slice(&pubkey_bytes);
+
+        Keypair::try_from(full_secret.as_slice())
+            .map_err(|e| WasmSolanaError::new(&format!("Invalid keypair: {}", e)))
+    }
+
+    /// Create a keypair from a 64-byte Solana secret key (secret + public concatenated).
+    fn from_solana_secret_key(secret_key: &[u8]) -> Result<Keypair, WasmSolanaError> {
+        if secret_key.len() != 64 {
+            return Err(WasmSolanaError::new(&format!(
+                "Solana secret key must be 64 bytes, got {}",
+                secret_key.len()
+            )));
+        }
+
+        Keypair::try_from(secret_key)
+            .map_err(|e| WasmSolanaError::new(&format!("Invalid keypair: {}", e)))
+    }
+
+    /// Get the public key bytes (32 bytes).
+    fn public_key_bytes(&self) -> [u8; 32] {
+        self.pubkey().to_bytes()
+    }
+
+    /// Get the secret key bytes (32 bytes, the seed only).
+    fn secret_key_bytes(&self) -> [u8; 32] {
+        let bytes = self.to_bytes();
+        let mut secret = [0u8; 32];
+        secret.copy_from_slice(&bytes[..32]);
+        secret
+    }
+
+    /// Get the Solana address (base58-encoded public key).
+    fn address(&self) -> String {
+        self.pubkey().to_string()
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_generate_keypair() {
+        let keypair = Keypair::new();
+        assert_eq!(keypair.public_key_bytes().len(), 32);
+        assert_eq!(keypair.secret_key_bytes().len(), 32);
+    }
+
+    #[test]
+    fn test_from_secret_key() {
+        let secret = [1u8; 32];
+        let keypair = Keypair::from_secret_key_bytes(&secret).unwrap();
+        assert_eq!(keypair.secret_key_bytes(), secret);
+    }
+
+    #[test]
+    fn test_deterministic_pubkey() {
+        let secret = [1u8; 32];
+        let keypair1 = Keypair::from_secret_key_bytes(&secret).unwrap();
+        let keypair2 = Keypair::from_secret_key_bytes(&secret).unwrap();
+        assert_eq!(keypair1.public_key_bytes(), keypair2.public_key_bytes());
+        assert_eq!(keypair1.address(), keypair2.address());
+    }
+
+    #[test]
+    fn test_solana_secret_key_format() {
+        let secret = [1u8; 32];
+        let keypair = Keypair::from_secret_key_bytes(&secret).unwrap();
+        let pubkey = keypair.public_key_bytes();
+
+        // Create 64-byte Solana format
+        let mut solana_secret = [0u8; 64];
+        solana_secret[..32].copy_from_slice(&secret);
+        solana_secret[32..].copy_from_slice(&pubkey);
+
+        let keypair2 = Keypair::from_solana_secret_key(&solana_secret).unwrap();
+        assert_eq!(keypair.address(), keypair2.address());
+    }
+
+    #[test]
+    fn test_invalid_secret_key_length() {
+        assert!(Keypair::from_secret_key_bytes(&[0u8; 31]).is_err());
+        assert!(Keypair::from_secret_key_bytes(&[0u8; 33]).is_err());
+        assert!(Keypair::from_solana_secret_key(&[0u8; 63]).is_err());
+        assert!(Keypair::from_solana_secret_key(&[0u8; 65]).is_err());
+    }
+
+    /// Test vector from BitGoJS sdk-coin-sol
+    #[test]
+    fn test_bitgojs_compatibility() {
+        let seed: [u8; 32] = [
+            210, 49, 239, 175, 249, 91, 42, 66, 77, 70, 3, 144, 23, 0, 145, 152, 86, 35, 166, 11,
+            129, 49, 201, 162, 255, 195, 94, 229, 98, 78, 76, 38,
+        ];
+        let expected_address = "FKjSjCqByQRwSzZoMXA7bKnDbJe41YgJTHFFzBeC42bH";
+
+        let keypair = Keypair::from_secret_key_bytes(&seed).unwrap();
+        assert_eq!(keypair.address(), expected_address);
+    }
+}
diff --git a/packages/wasm-solana/src/lib.rs b/packages/wasm-solana/src/lib.rs
new file mode 100644
index 0000000..fa67d30
--- /dev/null
+++ b/packages/wasm-solana/src/lib.rs
@@ -0,0 +1,37 @@
+//! wasm-solana: WASM bindings for Solana cryptographic operations.
+//!
+//! This crate wraps the official Solana SDK crates (`solana-pubkey`, `solana-keypair`)
+//! and exposes them via WASM bindings for use in JavaScript/TypeScript.
+//!
+//! # Architecture
+//!
+//! The crate follows a two-layer architecture:
+//!
+//! 1. **Core types** (`keypair`, `pubkey`) - Re-exports from Solana SDK with extension traits
+//! 2. **WASM bindings** (`wasm/`) - Thin wrappers that expose core types to JavaScript
+//!
+//! # Usage from Rust
+//!
+//! ```rust
+//! use wasm_solana::{Keypair, Pubkey, KeypairExt, PubkeyExt};
+//!
+//! // Generate a new keypair
+//! let keypair = Keypair::new();
+//! let address = keypair.address();
+//!
+//! // Parse an address
+//! let pubkey = Pubkey::from_base58("FKjSjCqByQRwSzZoMXA7bKnDbJe41YgJTHFFzBeC42bH").unwrap();
+//! ```
+
+mod error;
+pub mod keypair;
+pub mod pubkey;
+pub mod wasm;
+
+// Re-export core types at crate root
+pub use error::WasmSolanaError;
+pub use keypair::{Keypair, KeypairExt};
+pub use pubkey::{Pubkey, PubkeyExt};
+
+// Re-export WASM types
+pub use wasm::{WasmKeypair, WasmPubkey};
diff --git a/packages/wasm-solana/src/pubkey.rs b/packages/wasm-solana/src/pubkey.rs
new file mode 100644
index 0000000..01c50df
--- /dev/null
+++ b/packages/wasm-solana/src/pubkey.rs
@@ -0,0 +1,110 @@
+//! Solana public key (address) implementation.
+//!
+//! Wraps `solana_pubkey::Pubkey` for WASM compatibility.
+
+use crate::error::WasmSolanaError;
+use std::str::FromStr;
+
+/// Re-export the underlying Solana Pubkey type.
+pub use solana_pubkey::Pubkey;
+
+/// Extension trait for Pubkey to add WASM-friendly error handling.
+pub trait PubkeyExt {
+    fn from_base58(address: &str) -> Result<Pubkey, WasmSolanaError>;
+    fn from_bytes_checked(bytes: &[u8]) -> Result<Pubkey, WasmSolanaError>;
+}
+
+impl PubkeyExt for Pubkey {
+    /// Create a Pubkey from a base58 string with WasmSolanaError.
+    fn from_base58(address: &str) -> Result<Pubkey, WasmSolanaError> {
+        Pubkey::from_str(address)
+            .map_err(|e| WasmSolanaError::new(&format!("Invalid base58: {}", e)))
+    }
+
+    /// Create a Pubkey from a byte slice with length validation.
+    fn from_bytes_checked(bytes: &[u8]) -> Result<Pubkey, WasmSolanaError> {
+        if bytes.len() != 32 {
+            return Err(WasmSolanaError::new(&format!(
+                "Invalid public key length: expected 32 bytes, got {}",
+                bytes.len()
+            )));
+        }
+
+        let array: [u8; 32] = bytes
+            .try_into()
+            .map_err(|_| WasmSolanaError::new("Failed to convert to 32-byte array"))?;
+
+        Ok(Pubkey::from(array))
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_from_base58() {
+        let address = "FKjSjCqByQRwSzZoMXA7bKnDbJe41YgJTHFFzBeC42bH";
+        let pubkey = Pubkey::from_base58(address).unwrap();
+        assert_eq!(pubkey.to_string(), address);
+    }
+
+    #[test]
+    fn test_from_bytes() {
+        let bytes = [0u8; 32];
+        let pubkey = Pubkey::from_bytes_checked(&bytes).unwrap();
+        assert_eq!(pubkey.to_bytes(), bytes);
+    }
+
+    #[test]
+    fn test_roundtrip() {
+        let address = "11111111111111111111111111111111";
+        let pubkey = Pubkey::from_base58(address).unwrap();
+        assert_eq!(pubkey.to_string(), address);
+    }
+
+    #[test]
+    fn test_invalid_base58() {
+        assert!(Pubkey::from_base58("invalid!@#$").is_err());
+    }
+
+    #[test]
+    fn test_invalid_length() {
+        assert!(Pubkey::from_bytes_checked(&[0u8; 31]).is_err());
+        assert!(Pubkey::from_bytes_checked(&[0u8; 33]).is_err());
+    }
+
+    #[test]
+    fn test_display() {
+        let address = "FKjSjCqByQRwSzZoMXA7bKnDbJe41YgJTHFFzBeC42bH";
+        let pubkey = Pubkey::from_base58(address).unwrap();
+        assert_eq!(format!("{}", pubkey), address);
+    }
+
+    #[test]
+    fn test_equality() {
+        let addr1 = Pubkey::from_base58("11111111111111111111111111111111").unwrap();
+        let addr2 = Pubkey::from_bytes_checked(&[0u8; 32]).unwrap();
+        assert_eq!(addr1, addr2);
+    }
+
+    #[test]
+    fn test_is_on_curve_valid_keypair() {
+        let pubkey = Pubkey::from_base58("FKjSjCqByQRwSzZoMXA7bKnDbJe41YgJTHFFzBeC42bH").unwrap();
+        assert!(pubkey.is_on_curve());
+    }
+
+    #[test]
+    fn test_is_on_curve_off_curve_bytes() {
+        // Find bytes that are NOT on the Ed25519 curve
+        for seed in 1u8..=255 {
+            let mut bytes = [seed; 32];
+            bytes[31] = 0x80 | seed;
+            let pubkey = Pubkey::from_bytes_checked(&bytes).unwrap();
+            if !pubkey.is_on_curve() {
+                return;
+            }
+        }
+        panic!("Could not find an off-curve point");
+    }
+}
diff --git a/packages/wasm-solana/src/wasm/keypair.rs b/packages/wasm-solana/src/wasm/keypair.rs
new file mode 100644
index 0000000..aeb411f
--- /dev/null
+++ b/packages/wasm-solana/src/wasm/keypair.rs
@@ -0,0 +1,62 @@
+//! WASM bindings for Solana keypair operations.
+//!
+//! Wraps `solana_keypair::Keypair` for JavaScript.
+
+use crate::error::WasmSolanaError;
+use crate::keypair::{Keypair, KeypairExt};
+use wasm_bindgen::prelude::*;
+
+/// WASM wrapper for Solana Ed25519 keypairs.
+#[wasm_bindgen]
+#[derive(Debug)]
+pub struct WasmKeypair {
+    inner: Keypair,
+}
+
+#[wasm_bindgen]
+impl WasmKeypair {
+    /// Create a keypair from a 32-byte secret key.
+    #[wasm_bindgen]
+    pub fn from_secret_key(secret_key: &[u8]) -> Result<WasmKeypair, WasmSolanaError> {
+        Keypair::from_secret_key_bytes(secret_key).map(|inner| WasmKeypair { inner })
+    }
+
+    /// Create a keypair from a 64-byte Solana secret key (secret + public concatenated).
+    #[wasm_bindgen]
+    pub fn from_solana_secret_key(secret_key: &[u8]) -> Result<WasmKeypair, WasmSolanaError> {
+        Keypair::from_solana_secret_key(secret_key).map(|inner| WasmKeypair { inner })
+    }
+
+    /// Get the public key as a 32-byte Uint8Array.
+    #[wasm_bindgen(getter)]
+    pub fn public_key(&self) -> js_sys::Uint8Array {
+        let bytes = self.inner.public_key_bytes();
+        js_sys::Uint8Array::from(&bytes[..])
+    }
+
+    /// Get the secret key as a 32-byte Uint8Array.
+    #[wasm_bindgen(getter)]
+    pub fn secret_key(&self) -> js_sys::Uint8Array {
+        let bytes = self.inner.secret_key_bytes();
+        js_sys::Uint8Array::from(&bytes[..])
+    }
+
+    /// Get the address as a base58 string.
+    #[wasm_bindgen]
+    pub fn address(&self) -> String {
+        self.inner.address()
+    }
+
+    /// Get the public key as a base58 string.
+    #[wasm_bindgen]
+    pub fn to_base58(&self) -> String {
+        self.inner.address()
+    }
+}
+
+impl WasmKeypair {
+    /// Get the inner Keypair for internal Rust use.
+    pub fn inner(&self) -> &Keypair {
+        &self.inner
+    }
+}
diff --git a/packages/wasm-solana/src/wasm/mod.rs b/packages/wasm-solana/src/wasm/mod.rs
new file mode 100644
index 0000000..45092cd
--- /dev/null
+++ b/packages/wasm-solana/src/wasm/mod.rs
@@ -0,0 +1,5 @@
+mod keypair;
+mod pubkey;
+
+pub use keypair::WasmKeypair;
+pub use pubkey::WasmPubkey;
diff --git a/packages/wasm-solana/src/wasm/pubkey.rs b/packages/wasm-solana/src/wasm/pubkey.rs
new file mode 100644
index 0000000..b92dedf
--- /dev/null
+++ b/packages/wasm-solana/src/wasm/pubkey.rs
@@ -0,0 +1,66 @@
+//! WASM bindings for Solana public key (address) operations.
+//!
+//! Wraps `solana_pubkey::Pubkey` for JavaScript.
+
+use crate::error::WasmSolanaError;
+use crate::pubkey::{Pubkey, PubkeyExt};
+use wasm_bindgen::prelude::*;
+
+/// WASM wrapper for Solana public key (address).
+#[wasm_bindgen]
+#[derive(Debug, Clone)]
+pub struct WasmPubkey {
+    inner: Pubkey,
+}
+
+#[wasm_bindgen]
+impl WasmPubkey {
+    /// Create a Pubkey from a base58 string.
+    #[wasm_bindgen]
+    pub fn from_base58(address: &str) -> Result<WasmPubkey, WasmSolanaError> {
+        Pubkey::from_base58(address).map(|inner| WasmPubkey { inner })
+    }
+
+    /// Create a Pubkey from raw bytes (32 bytes).
+    #[wasm_bindgen]
+    pub fn from_bytes(bytes: &[u8]) -> Result<WasmPubkey, WasmSolanaError> {
+        Pubkey::from_bytes_checked(bytes).map(|inner| WasmPubkey { inner })
+    }
+
+    /// Convert to base58 string (the standard Solana address format).
+    #[wasm_bindgen]
+    pub fn to_base58(&self) -> String {
+        self.inner.to_string()
+    }
+
+    /// Get as raw bytes (32 bytes).
+    #[wasm_bindgen]
+    pub fn to_bytes(&self) -> js_sys::Uint8Array {
+        let bytes = self.inner.to_bytes();
+        js_sys::Uint8Array::from(&bytes[..])
+    }
+
+    /// Check if two pubkeys are equal.
+    #[wasm_bindgen]
+    pub fn equals(&self, other: &WasmPubkey) -> bool {
+        self.inner == other.inner
+    }
+
+    /// Check if this public key is on the Ed25519 curve.
+    #[wasm_bindgen]
+    pub fn is_on_curve(&self) -> bool {
+        self.inner.is_on_curve()
+    }
+}
+
+impl WasmPubkey {
+    /// Create from inner Pubkey.
+    pub fn from_inner(inner: Pubkey) -> Self {
+        WasmPubkey { inner }
+    }
+
+    /// Get the inner Pubkey for internal Rust use.
+    pub fn inner(&self) -> &Pubkey {
+        &self.inner
+    }
+}
diff --git a/packages/wasm-solana/test/compatibility.ts b/packages/wasm-solana/test/compatibility.ts
new file mode 100644
index 0000000..512d64b
--- /dev/null
+++ b/packages/wasm-solana/test/compatibility.ts
@@ -0,0 +1,80 @@
+import * as assert from "assert";
+import { Keypair, Pubkey } from "../js/index.js";
+
+/**
+ * Compatibility tests to verify our WASM implementation produces the same
+ * results as BitGoJS sdk-coin-sol KeyPair.
+ *
+ * Test vectors from: BitGoJS/modules/sdk-coin-sol/test/resources/sol.ts
+ */
+describe("Compatibility with BitGoJS sdk-coin-sol", () => {
+  describe("accountWithSeed test vector", () => {
+    // From BitGoJS/modules/sdk-coin-sol/test/resources/sol.ts
+    const testVector = {
+      // 32-byte seed (Ed25519 secret key)
+      seed: new Uint8Array([
+        210, 49, 239, 175, 249, 91, 42, 66, 77, 70, 3, 144, 23, 0, 145, 152, 86, 35, 166, 11, 129,
+        49, 201, 162, 255, 195, 94, 229, 98, 78, 76, 38,
+      ]),
+      // Expected public key / address
+      publicKey: "FKjSjCqByQRwSzZoMXA7bKnDbJe41YgJTHFFzBeC42bH",
+      // 64-byte Solana secret key format (seed + public key)
+      solanaSecretKey: new Uint8Array([
+        210, 49, 239, 175, 249, 91, 42, 66, 77, 70, 3, 144, 23, 0, 145, 152, 86, 35, 166, 11, 129,
+        49, 201, 162, 255, 195, 94, 229, 98, 78, 76, 38, 212, 208, 16, 9, 69, 152, 60, 244, 226, 41,
+        142, 209, 252, 78, 138, 101, 66, 156, 232, 39, 235, 224, 69, 45, 62, 111, 249, 253, 44, 80,
+        162, 48,
+      ]),
+    };
+
+    it("should derive same address from seed as BitGoJS KeyPair", () => {
+      // BitGoJS: new KeyPair({ seed: testData.accountWithSeed.seed }).getAddress()
+      const keypair = Keypair.fromSecretKey(testVector.seed);
+      const address = keypair.getAddress();
+
+      assert.strictEqual(
+        address,
+        testVector.publicKey,
+        `Address mismatch!\n  Expected: ${testVector.publicKey}\n  Got: ${address}`,
+      );
+    });
+
+    it("should derive same address from 64-byte Solana secret key", () => {
+      // BitGoJS: new KeyPair({ prv: base58(solanaSecretKey) }).getAddress()
+      const keypair = Keypair.fromSolanaSecretKey(testVector.solanaSecretKey);
+      const address = keypair.getAddress();
+
+      assert.strictEqual(address, testVector.publicKey);
+    });
+
+    it("should parse public key and roundtrip correctly", () => {
+      // BitGoJS: new KeyPair({ pub: testData.accountWithSeed.publicKey })
+      const pubkey = Pubkey.fromBase58(testVector.publicKey);
+      const roundtripped = pubkey.toBase58();
+
+      assert.strictEqual(roundtripped, testVector.publicKey);
+    });
+
+    it("should produce matching public key bytes", () => {
+      const keypair = Keypair.fromSecretKey(testVector.seed);
+      const pubkeyFromAddress = Pubkey.fromBase58(testVector.publicKey);
+
+      // Public key bytes from keypair should match parsed address
+      assert.deepStrictEqual(keypair.publicKey, pubkeyFromAddress.toBytes());
+    });
+  });
+
+  describe("authAccount test vector", () => {
+    // Another test vector from BitGoJS
+    const authAccount = {
+      pub: "5hr5fisPi6DXNuuRpm5XUbzpiEnmdyxXuBDTwzwZj5Pe",
+    };
+
+    it("should parse authAccount public key", () => {
+      const pubkey = Pubkey.fromBase58(authAccount.pub);
+
+      assert.strictEqual(pubkey.toBase58(), authAccount.pub);
+      assert.strictEqual(pubkey.toBytes().length, 32);
+    });
+  });
+});
diff --git a/packages/wasm-solana/test/keypair.ts b/packages/wasm-solana/test/keypair.ts
new file mode 100644
index 0000000..b78c7c6
--- /dev/null
+++ b/packages/wasm-solana/test/keypair.ts
@@ -0,0 +1,36 @@
+import * as assert from "assert";
+import { Keypair } from "../js/keypair.js";
+
+describe("Keypair", () => {
+  const testSecretKey = new Uint8Array(32).fill(1);
+
+  it("should create keypair from secret key", () => {
+    const keypair = Keypair.fromSecretKey(testSecretKey);
+
+    assert.strictEqual(keypair.publicKey.length, 32);
+    assert.deepStrictEqual(keypair.secretKey, testSecretKey);
+  });
+
+  it("should create keypair from 64-byte Solana secret key", () => {
+    const keypair1 = Keypair.fromSecretKey(testSecretKey);
+
+    // Create 64-byte Solana format (secret + public)
+    const solanaSecretKey = new Uint8Array(64);
+    solanaSecretKey.set(testSecretKey, 0);
+    solanaSecretKey.set(keypair1.publicKey, 32);
+
+    const keypair2 = Keypair.fromSolanaSecretKey(solanaSecretKey);
+
+    assert.strictEqual(keypair2.getAddress(), keypair1.getAddress());
+  });
+
+  it("should reject invalid secret key lengths", () => {
+    assert.throws(() => Keypair.fromSecretKey(new Uint8Array(31)), /32 bytes/);
+    assert.throws(() => Keypair.fromSecretKey(new Uint8Array(33)), /32 bytes/);
+  });
+
+  it("should reject invalid Solana secret key lengths", () => {
+    assert.throws(() => Keypair.fromSolanaSecretKey(new Uint8Array(63)), /64 bytes/);
+    assert.throws(() => Keypair.fromSolanaSecretKey(new Uint8Array(65)), /64 bytes/);
+  });
+});
diff --git a/packages/wasm-solana/test/pubkey.ts b/packages/wasm-solana/test/pubkey.ts
new file mode 100644
index 0000000..740b8b9
--- /dev/null
+++ b/packages/wasm-solana/test/pubkey.ts
@@ -0,0 +1,44 @@
+import * as assert from "assert";
+import { Pubkey } from "../js/pubkey.js";
+import { Keypair } from "../js/keypair.js";
+
+describe("Pubkey", () => {
+  const testAddress = "11111111111111111111111111111111";
+  const testBytes = new Uint8Array(32).fill(0);
+  const testSecretKey = new Uint8Array(32).fill(1);
+
+  it("should create Pubkey from base58 and bytes", () => {
+    const pubkey1 = Pubkey.fromBase58(testAddress);
+    const pubkey2 = Pubkey.fromBytes(testBytes);
+
+    assert.strictEqual(pubkey1.toBase58(), testAddress);
+    assert.strictEqual(pubkey2.toBase58(), testAddress);
+  });
+
+  it("should roundtrip base58 -> bytes -> base58", () => {
+    const keypair = Keypair.fromSecretKey(testSecretKey);
+    const pubkey = Pubkey.fromBase58(keypair.getAddress());
+
+    assert.strictEqual(pubkey.toBase58(), keypair.getAddress());
+    assert.deepStrictEqual(pubkey.toBytes(), keypair.publicKey);
+  });
+
+  it("should compare pubkeys for equality", () => {
+    const pubkey1 = Pubkey.fromBase58(testAddress);
+    const pubkey2 = Pubkey.fromBase58(testAddress);
+
+    assert.ok(pubkey1.equals(pubkey2));
+  });
+
+  it("should reject invalid inputs", () => {
+    assert.throws(() => Pubkey.fromBase58("invalid!@#$"), /Invalid base58/);
+    assert.throws(() => Pubkey.fromBytes(new Uint8Array(31)), /expected 32 bytes/);
+  });
+
+  it("isOnCurve should return true for keypair addresses", () => {
+    const keypair = Keypair.fromSecretKey(testSecretKey);
+    const pubkey = Pubkey.fromBytes(keypair.publicKey);
+
+    assert.strictEqual(pubkey.isOnCurve(), true);
+  });
+});
diff --git a/packages/wasm-solana/tsconfig.cjs.json b/packages/wasm-solana/tsconfig.cjs.json
new file mode 100644
index 0000000..f6f2384
--- /dev/null
+++ b/packages/wasm-solana/tsconfig.cjs.json
@@ -0,0 +1,10 @@
+{
+  "extends": "./tsconfig.json",
+  "compilerOptions": {
+    "module": "CommonJS",
+    "moduleResolution": "node",
+    "rootDir": ".",
+    "outDir": "./dist/cjs"
+  },
+  "exclude": ["test/**/*"]
+}
diff --git a/packages/wasm-solana/tsconfig.json b/packages/wasm-solana/tsconfig.json
new file mode 100644
index 0000000..97f8a7a
--- /dev/null
+++ b/packages/wasm-solana/tsconfig.json
@@ -0,0 +1,18 @@
+{
+  "compilerOptions": {
+    "module": "ES2022",
+    "target": "ES2022",
+    "moduleResolution": "bundler",
+    "esModuleInterop": true,
+    "allowJs": true,
+    "skipLibCheck": true,
+    "declaration": true,
+    "composite": true,
+    "rootDir": ".",
+    "outDir": "./dist/esm",
+    "noUnusedLocals": true,
+    "noUnusedParameters": true
+  },
+  "include": ["./js/**/*.ts", "test/**/*.ts"],
+  "exclude": ["node_modules", "./js/wasm/**/*"]
+}