diff --git a/package-lock.json b/package-lock.json
index faf8db83..e13739ba 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -17,7 +17,7 @@
         "dotenv": "^17.0.0",
         "ethers": "^6.13.4",
         "fs-extra": "^11.3.0",
-        "genlayer-js": "^0.21.0",
+        "genlayer-js": "^0.21.2",
         "inquirer": "^12.0.0",
         "keytar": "^7.9.0",
         "node-fetch": "^3.0.0",
@@ -5581,9 +5581,9 @@
       }
     },
     "node_modules/genlayer-js": {
-      "version": "0.21.0",
-      "resolved": "https://registry.npmjs.org/genlayer-js/-/genlayer-js-0.21.0.tgz",
-      "integrity": "sha512-zUlz74nZPwNcpPiiGk5Njfn0YLbRhmPsIQECMYHivDBp5DI5lrUQt5H3wd4Q+p7af3lk0uzg0jbo31iVaAyTiA==",
+      "version": "0.21.2",
+      "resolved": "https://registry.npmjs.org/genlayer-js/-/genlayer-js-0.21.2.tgz",
+      "integrity": "sha512-2QFfcgcMAdNDIYGw7c5v3BUn6pazVcYvSNCzXKarRY6rf15BHbZGRu3AK1pfXjer+rM7XLgCXUmP48qvcp+i1w==",
       "license": "MIT",
       "dependencies": {
         "eslint-plugin-import": "^2.30.0",
diff --git a/package.json b/package.json
index a1d74fa0..ab63e324 100644
--- a/package.json
+++ b/package.json
@@ -75,7 +75,7 @@
     "dotenv": "^17.0.0",
     "ethers": "^6.13.4",
     "fs-extra": "^11.3.0",
-    "genlayer-js": "^0.21.0",
+    "genlayer-js": "^0.21.2",
     "inquirer": "^12.0.0",
     "keytar": "^7.9.0",
     "node-fetch": "^3.0.0",
diff --git a/src/lib/actions/BaseAction.ts b/src/lib/actions/BaseAction.ts
index 086b6add..d555a6dd 100644
--- a/src/lib/actions/BaseAction.ts
+++ b/src/lib/actions/BaseAction.ts
@@ -169,7 +169,8 @@ export class BaseAction extends ConfigFileManager {
   }
 
   private getAddress(keystoreData: any): Address {
-    return keystoreData.address as Address;
+    const addr = keystoreData.address;
+    return (addr.startsWith('0x') ? addr : `0x${addr}`) as Address;
   }
 
   protected async createKeypairByName(accountName: string, overwrite: boolean, passwordInput?: string): Promise<string> {
diff --git a/tests/libs/baseAction.test.ts b/tests/libs/baseAction.test.ts
index 278530b4..91ad3f9f 100644
--- a/tests/libs/baseAction.test.ts
+++ b/tests/libs/baseAction.test.ts
@@ -280,11 +280,30 @@ describe("BaseAction", () => {
   test("should return address when called with readOnly=true", async () => {
     const address = await baseAction["getAccount"](true);
 
-    expect(address).toBe(mockKeystoreData.address);
+    expect(address).toBe(`0x${mockKeystoreData.address}`);
     expect(existsSync).toHaveBeenCalledWith("/mocked/home/.genlayer/keystores/default.json");
     expect(readFileSync).toHaveBeenCalledWith("/mocked/home/.genlayer/keystores/default.json", "utf-8");
   });
 
+  test("should return 0x-prefixed address for readOnly even when keystore has no prefix", async () => {
+    const address = await baseAction["getAccount"](true);
+
+    expect(address).toMatch(/^0x/);
+    expect(address).toBe(`0x${mockKeystoreData.address}`);
+  });
+
+  test("should not double-prefix address that already has 0x", async () => {
+    const prefixedKeystoreData = {
+      ...mockKeystoreData,
+      address: "0x1234567890123456789012345678901234567890",
+    };
+    vi.mocked(readFileSync).mockReturnValue(JSON.stringify(prefixedKeystoreData));
+
+    const address = await baseAction["getAccount"](true);
+
+    expect(address).toBe("0x1234567890123456789012345678901234567890");
+  });
+
   test("should create new keypair when keystore file does not exist", async () => {
     vi.mocked(existsSync).mockReturnValue(false);
     vi.mocked(inquirer.prompt)