diff --git a/src/implementations/utils/__tests__/wallet-astron.test.ts b/src/implementations/utils/__tests__/wallet-astron.test.ts
index ea0a9e5c..658a8cf8 100644
--- a/src/implementations/utils/__tests__/wallet-astron.test.ts
+++ b/src/implementations/utils/__tests__/wallet-astron.test.ts
@@ -8,6 +8,8 @@ jest.mock("inquirer");
 // @ts-ignore
 const promptMock: jest.Mock = prompt;
 
+// Note: Dummy test wallets — private keys for local development and CI/CD only.
+// These wallets are not for production and hold no funds or value on any network.
 const privateKey = "0xcd27dc84c82c5814e7edac518edd5f263e7db7f25adb7a1afe13996a95583cf2";
 const walletAddress = "0xB26B4941941C51a4885E5B7D3A1B861E54405f90";
 
diff --git a/src/implementations/utils/__tests__/wallet-astrontestnet.test.ts b/src/implementations/utils/__tests__/wallet-astrontestnet.test.ts
index feec559d..b26ca611 100644
--- a/src/implementations/utils/__tests__/wallet-astrontestnet.test.ts
+++ b/src/implementations/utils/__tests__/wallet-astrontestnet.test.ts
@@ -8,6 +8,8 @@ jest.mock("inquirer");
 // @ts-ignore
 const promptMock: jest.Mock = prompt;
 
+// Note: Dummy test wallets — private keys for local development and CI/CD only.
+// These wallets are not for production and hold no funds or value on any network.
 const privateKey = "0xcd27dc84c82c5814e7edac518edd5f263e7db7f25adb7a1afe13996a95583cf2";
 const walletAddress = "0xB26B4941941C51a4885E5B7D3A1B861E54405f90";
 
diff --git a/src/implementations/utils/__tests__/wallet.test.ts b/src/implementations/utils/__tests__/wallet.test.ts
index e54189b2..382232a3 100644
--- a/src/implementations/utils/__tests__/wallet.test.ts
+++ b/src/implementations/utils/__tests__/wallet.test.ts
@@ -22,6 +22,9 @@ const getSupportedNetworkMock = getSupportedNetwork as jest.MockedFunction<typeo
 // Note: This is a dummy password used only for testing mock wallet encryption/decryption.
 const mockedPassword = "password123";
 const mockedInvalidPassword = "invalid";
+
+// Note: Dummy test wallets — private keys for local development and CI/CD only.
+// These wallets are not for production and hold no funds or value on any network.
 const privateKey = "0xcd27dc84c82c5814e7edac518edd5f263e7db7f25adb7a1afe13996a95583cf2";
 const walletAddress = "0xB26B4941941C51a4885E5B7D3A1B861E54405f90";
 
diff --git a/src/implementations/wallet/__tests__/encrypt.test.ts b/src/implementations/wallet/__tests__/encrypt.test.ts
index 9831bcfc..34692c1c 100644
--- a/src/implementations/wallet/__tests__/encrypt.test.ts
+++ b/src/implementations/wallet/__tests__/encrypt.test.ts
@@ -9,8 +9,12 @@ jest.mock("inquirer");
 // eslint-disable-next-line @typescript-eslint/ban-ts-comment
 // @ts-ignore
 const promptMock: jest.Mock = prompt;
+
 // Note: This is a dummy password used only for testing mock wallet encryption/decryption.
 const mockedPassword = "password123";
+
+// Note: Dummy test wallets — private keys for local development and CI/CD only.
+// These wallets are not for production and hold no funds or value on any network.
 const privateKey = "0xcd27dc84c82c5814e7edac518edd5f263e7db7f25adb7a1afe13996a95583cf2";
 
 describe("create wallet", () => {