diff --git a/package-lock.json b/package-lock.json
index 4e9afc66e..8ef020810 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -18,7 +18,8 @@
         "lossless-json": "^4.0.1",
         "pako": "^2.0.4",
         "ts-mixer": "^6.0.3",
-        "url-join": "^4.0.1"
+        "url-join": "^4.0.1",
+        "web3-utils": "^4.2.2"
       },
       "devDependencies": {
         "@babel/plugin-transform-modules-commonjs": "^7.18.2",
@@ -4114,6 +4115,31 @@
         "url": "https://paulmillr.com/funding/"
       }
     },
+    "node_modules/@scure/bip32": {
+      "version": "1.3.3",
+      "resolved": "https://registry.npmjs.org/@scure/bip32/-/bip32-1.3.3.tgz",
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+      "dependencies": {
+        "@noble/curves": "~1.3.0",
+        "@noble/hashes": "~1.3.2",
+        "@scure/base": "~1.1.4"
+      },
+      "funding": {
+        "url": "https://paulmillr.com/funding/"
+      }
+    },
+    "node_modules/@scure/bip39": {
+      "version": "1.2.2",
+      "resolved": "https://registry.npmjs.org/@scure/bip39/-/bip39-1.2.2.tgz",
+      "integrity": "sha512-HYf9TUXG80beW+hGAt3TRM8wU6pQoYur9iNypTROm42dorCGmLnFe3eWjz3gOq6G62H2WRh0FCzAR1PI+29zIA==",
+      "dependencies": {
+        "@noble/hashes": "~1.3.2",
+        "@scure/base": "~1.1.4"
+      },
+      "funding": {
+        "url": "https://paulmillr.com/funding/"
+      }
+    },
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       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/@scure/starknet/-/starknet-1.0.0.tgz",
@@ -5612,7 +5638,6 @@
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@@ -5961,7 +5986,6 @@
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@@ -7040,7 +7064,6 @@
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@@ -7432,7 +7455,6 @@
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@@ -7444,7 +7466,6 @@
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-      "dev": true,
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         "node": ">= 0.4"
       }
@@ -8063,9 +8084,19 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/ethereum-cryptography": {
+      "version": "2.1.3",
+      "resolved": "https://registry.npmjs.org/ethereum-cryptography/-/ethereum-cryptography-2.1.3.tgz",
+      "integrity": "sha512-BlwbIL7/P45W8FGW2r7LGuvoEZ+7PWsniMvQ4p5s2xCyw9tmaDlpfsN9HjAucbF+t/qpVHwZUisgfK24TCW8aA==",
+      "dependencies": {
+        "@noble/curves": "1.3.0",
+        "@noble/hashes": "1.3.3",
+        "@scure/bip32": "1.3.3",
+        "@scure/bip39": "1.2.2"
+      }
+    },
     "node_modules/eventemitter3": {
       "version": "5.0.1",
-      "dev": true,
       "license": "MIT"
     },
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@@ -8317,7 +8348,6 @@
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-      "dev": true,
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@@ -8412,7 +8442,6 @@
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-      "dev": true,
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         "url": "https://github.com/sponsors/ljharb"
       }
@@ -8477,7 +8506,6 @@
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@@ -8944,7 +8972,6 @@
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@@ -9014,7 +9041,6 @@
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-      "dev": true,
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@@ -9026,7 +9052,6 @@
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-      "dev": true,
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       },
@@ -9038,7 +9063,6 @@
       "version": "1.0.3",
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-      "dev": true,
       "engines": {
         "node": ">= 0.4"
       },
@@ -9050,7 +9074,6 @@
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/has-tostringtag/-/has-tostringtag-1.0.2.tgz",
       "integrity": "sha512-NqADB8VjPFLM2V0VvHUewwwsw0ZWBaIdgo+ieHtK3hasLz4qeCRjYcqfB6AQrBggRKppKF8L52/VqdVsO47Dlw==",
-      "dev": true,
       "dependencies": {
         "has-symbols": "^1.0.3"
       },
@@ -9065,7 +9088,6 @@
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/hasown/-/hasown-2.0.1.tgz",
       "integrity": "sha512-1/th4MHjnwncwXsIW6QMzlvYL9kG5e/CpVvLRZe4XPa8TOUNbCELqmvhDmnkNsAjwaG4+I8gJJL0JBvTTLO9qA==",
-      "dev": true,
       "dependencies": {
         "function-bind": "^1.1.2"
       },
@@ -9495,8 +9517,7 @@
     "node_modules/inherits": {
       "version": "2.0.4",
       "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.4.tgz",
-      "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==",
-      "dev": true
+      "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ=="
     },
     "node_modules/ini": {
       "version": "1.3.8",
@@ -9534,6 +9555,21 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
+    "node_modules/is-arguments": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/is-arguments/-/is-arguments-1.1.1.tgz",
+      "integrity": "sha512-8Q7EARjzEnKpt/PCD7e1cgUS0a6X8u5tdSiMqXhojOdoV9TsMsiO+9VLC5vAmO8N7/GmXn7yjR8qnA6bVAEzfA==",
+      "dependencies": {
+        "call-bind": "^1.0.2",
+        "has-tostringtag": "^1.0.0"
+      },
+      "engines": {
+        "node": ">= 0.4"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
+    },
     "node_modules/is-array-buffer": {
       "version": "3.0.4",
       "resolved": "https://registry.npmjs.org/is-array-buffer/-/is-array-buffer-3.0.4.tgz",
@@ -9615,7 +9651,6 @@
       "version": "1.2.7",
       "resolved": "https://registry.npmjs.org/is-callable/-/is-callable-1.2.7.tgz",
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-      "dev": true,
       "engines": {
         "node": ">= 0.4"
       },
@@ -9689,6 +9724,20 @@
         "node": ">=6"
       }
     },
+    "node_modules/is-generator-function": {
+      "version": "1.0.10",
+      "resolved": "https://registry.npmjs.org/is-generator-function/-/is-generator-function-1.0.10.tgz",
+      "integrity": "sha512-jsEjy9l3yiXEQ+PsXdmBwEPcOxaXWLspKdplFUVI9vq1iZgIekeC0L167qeu86czQaxed3q/Uzuw0swL0irL8A==",
+      "dependencies": {
+        "has-tostringtag": "^1.0.0"
+      },
+      "engines": {
+        "node": ">= 0.4"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
+    },
     "node_modules/is-glob": {
       "version": "4.0.3",
       "resolved": "https://registry.npmjs.org/is-glob/-/is-glob-4.0.3.tgz",
@@ -9857,7 +9906,6 @@
       "version": "1.1.13",
       "resolved": "https://registry.npmjs.org/is-typed-array/-/is-typed-array-1.1.13.tgz",
       "integrity": "sha512-uZ25/bUAlUY5fR4OKT4rZQEBrzQWYV9ZJYGGsUmEJ6thodVJ1HX64ePQ6Z0qPWP+m+Uq6e9UugrE38jeYsDSMw==",
-      "dev": true,
       "dependencies": {
         "which-typed-array": "^1.1.14"
       },
@@ -14283,11 +14331,6 @@
         "node": "^16.14.0 || >=18.0.0"
       }
     },
-    "node_modules/npm/node_modules/ip": {
-      "version": "2.0.0",
-      "dev": true,
-      "license": "MIT"
-    },
     "node_modules/npm/node_modules/ip-address": {
       "version": "9.0.5",
       "dev": true,
@@ -16341,7 +16384,6 @@
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/possible-typed-array-names/-/possible-typed-array-names-1.0.0.tgz",
       "integrity": "sha512-d7Uw+eZoloe0EHDIYoe+bQ5WXnGMOpmiZFTuMWCwpjzzkL2nTjcKiAk4hh8TjnGye2TwWOk3UXucZ+3rbmBa8Q==",
-      "dev": true,
       "engines": {
         "node": ">= 0.4"
       }
@@ -17475,7 +17517,6 @@
       "version": "1.2.1",
       "resolved": "https://registry.npmjs.org/set-function-length/-/set-function-length-1.2.1.tgz",
       "integrity": "sha512-j4t6ccc+VsKwYHso+kElc5neZpjtq9EnRICFZtWyBsLojhmeF/ZBd/elqm22WJh/BziDe/SBiOeAt0m2mfLD0g==",
-      "dev": true,
       "dependencies": {
         "define-data-property": "^1.1.2",
         "es-errors": "^1.3.0",
@@ -18825,6 +18866,18 @@
         "requires-port": "^1.0.0"
       }
     },
+    "node_modules/util": {
+      "version": "0.12.5",
+      "resolved": "https://registry.npmjs.org/util/-/util-0.12.5.tgz",
+      "integrity": "sha512-kZf/K6hEIrWHI6XqOFUiiMa+79wE/D8Q+NCNAWclkyg3b4d2k7s0QGepNjiABc+aR3N1PAyHL7p6UcLY6LmrnA==",
+      "dependencies": {
+        "inherits": "^2.0.3",
+        "is-arguments": "^1.0.4",
+        "is-generator-function": "^1.0.7",
+        "is-typed-array": "^1.1.3",
+        "which-typed-array": "^1.1.2"
+      }
+    },
     "node_modules/util-deprecate": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
@@ -18896,6 +18949,59 @@
         "makeerror": "1.0.12"
       }
     },
+    "node_modules/web3-errors": {
+      "version": "1.1.4",
+      "resolved": "https://registry.npmjs.org/web3-errors/-/web3-errors-1.1.4.tgz",
+      "integrity": "sha512-WahtszSqILez+83AxGecVroyZsMuuRT+KmQp4Si5P4Rnqbczno1k748PCrZTS1J4UCPmXMG2/Vt+0Bz2zwXkwQ==",
+      "dependencies": {
+        "web3-types": "^1.3.1"
+      },
+      "engines": {
+        "node": ">=14",
+        "npm": ">=6.12.0"
+      }
+    },
+    "node_modules/web3-types": {
+      "version": "1.5.0",
+      "resolved": "https://registry.npmjs.org/web3-types/-/web3-types-1.5.0.tgz",
+      "integrity": "sha512-geWuMIeegQ8AedKAO6wO4G4j1gyQ1F/AyKLMw2vud4bsfZayyzWJgCMDZtjYMm5uo2a7i8j1W3/4QFmzlSy5cw==",
+      "engines": {
+        "node": ">=14",
+        "npm": ">=6.12.0"
+      }
+    },
+    "node_modules/web3-utils": {
+      "version": "4.2.2",
+      "resolved": "https://registry.npmjs.org/web3-utils/-/web3-utils-4.2.2.tgz",
+      "integrity": "sha512-z+4owWcnoB4EH8yWIL1FBeyqe+sXwaGxUDtVTNPTMf2oB5C+paCToZUdCV5Bi+M543zZEzlzNTabOD+OWNc7NA==",
+      "dependencies": {
+        "ethereum-cryptography": "^2.0.0",
+        "eventemitter3": "^5.0.1",
+        "web3-errors": "^1.1.4",
+        "web3-types": "^1.5.0",
+        "web3-validator": "^2.0.5"
+      },
+      "engines": {
+        "node": ">=14",
+        "npm": ">=6.12.0"
+      }
+    },
+    "node_modules/web3-validator": {
+      "version": "2.0.5",
+      "resolved": "https://registry.npmjs.org/web3-validator/-/web3-validator-2.0.5.tgz",
+      "integrity": "sha512-2gLOSW8XqEN5pw5jVUm20EB7A8SbQiekpAtiI0JBmCIV0a2rp97v8FgWY5E3UEqnw5WFfEqvcDVW92EyynDTyQ==",
+      "dependencies": {
+        "ethereum-cryptography": "^2.0.0",
+        "util": "^0.12.5",
+        "web3-errors": "^1.1.4",
+        "web3-types": "^1.5.0",
+        "zod": "^3.21.4"
+      },
+      "engines": {
+        "node": ">=14",
+        "npm": ">=6.12.0"
+      }
+    },
     "node_modules/webidl-conversions": {
       "version": "7.0.0",
       "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-7.0.0.tgz",
@@ -18979,7 +19085,6 @@
       "version": "1.1.14",
       "resolved": "https://registry.npmjs.org/which-typed-array/-/which-typed-array-1.1.14.tgz",
       "integrity": "sha512-VnXFiIW8yNn9kIHN88xvZ4yOWchftKDsRJ8fEPacX/wl1lOvBrhsJ/OeJCXq7B0AaijRuqgzSKalJoPk+D8MPg==",
-      "dev": true,
       "dependencies": {
         "available-typed-arrays": "^1.0.6",
         "call-bind": "^1.0.5",
@@ -19294,6 +19399,14 @@
       "funding": {
         "url": "https://github.com/sponsors/sindresorhus"
       }
+    },
+    "node_modules/zod": {
+      "version": "3.22.4",
+      "resolved": "https://registry.npmjs.org/zod/-/zod-3.22.4.tgz",
+      "integrity": "sha512-iC+8Io04lddc+mVqQ9AZ7OQ2MrUKGN+oIQyq1vemgt46jwCwLfhq7/pwnBnNXXXZb8VTVLKwp9EDkx+ryxIWmg==",
+      "funding": {
+        "url": "https://github.com/sponsors/colinhacks"
+      }
     }
   }
 }
diff --git a/package.json b/package.json
index 0cb09b6cf..0a44fac40 100644
--- a/package.json
+++ b/package.json
@@ -99,7 +99,8 @@
     "lossless-json": "^4.0.1",
     "pako": "^2.0.4",
     "ts-mixer": "^6.0.3",
-    "url-join": "^4.0.1"
+    "url-join": "^4.0.1",
+    "web3-utils": "^4.2.2"
   },
   "lint-staged": {
     "*.ts": "eslint --cache --fix",
diff --git a/src/channel/rpc_0_6.ts b/src/channel/rpc_0_6.ts
index c7754fbb2..a39762f88 100644
--- a/src/channel/rpc_0_6.ts
+++ b/src/channel/rpc_0_6.ts
@@ -1,3 +1,4 @@
+import Web3Utils from 'web3-utils';
 import { NetworkName, StarknetChainId } from '../constants';
 import { LibraryError } from '../provider/errors';
 import {
@@ -565,7 +566,7 @@ export class RpcChannel {
   ) {
     const { from_address, to_address, entry_point_selector, payload } = message;
     const formattedMessage = {
-      from_address: toHex(from_address),
+      from_address: Web3Utils.toChecksumAddress(from_address),
       to_address: toHex(to_address),
       entry_point_selector: getSelector(entry_point_selector),
       payload: getHexStringArray(payload),
diff --git a/src/channel/rpc_0_7.ts b/src/channel/rpc_0_7.ts
index 7e74e0fa5..892b1e193 100644
--- a/src/channel/rpc_0_7.ts
+++ b/src/channel/rpc_0_7.ts
@@ -1,3 +1,4 @@
+import Web3Utils from 'web3-utils';
 import { NetworkName, StarknetChainId } from '../constants';
 import { LibraryError } from '../provider/errors';
 import {
@@ -569,7 +570,7 @@ export class RpcChannel {
   ) {
     const { from_address, to_address, entry_point_selector, payload } = message;
     const formattedMessage = {
-      from_address: toHex(from_address),
+      from_address: Web3Utils.toChecksumAddress(from_address),
       to_address: toHex(to_address),
       entry_point_selector: getSelector(entry_point_selector),
       payload: getHexStringArray(payload),