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Bitcoin: I cannot broadcast my raw tx (P2PKH) on testnet: Signature must be zero for failed CHECK(MULTI)SIG operation

9 February، 2025 CRYPTOCURRENCY

Error 0x40004E4B: The unprocessed transaction could not be transmitted

The error message you are receiving indicates that the Bitcoin test network, also known as “Testnet” or “Rig Testnet”, does not accept its unprocessed transaction transmissions (P2PKH). This problem can arise due to several factors, including:

  • Incorrect signature

  • Non -valid signature format

    Bitcoin: I cannot broadcast my raw tx (P2PKH) on testnet: Signature must be zero for failed CHECK(MULTI)SIG operation

Here are some steps you can take to solve this problem:

Step 1: Check your signature

Make sure the firm is correct and in the standard format used by Bitcoin. The firm must be zero for a valid transaction.

Step 2: Validate your signature format

If your signature is not in the right format, try to change it to the standard format of [0x … txid … hash … signature]. If you still meet problems, consider verifying the official documentation or seeking help from the Bitcoin community.

Additional problem solution steps:

  • Check the compatibility of the network : Make sure your test network is compatible with P2PKH transactions.

  • Update your software : regularly update your bitcoin software to make sure you have the latest functions and corrections.

  • See the official documentation : See the officer [Bitcoin Wiki] ( to obtain more detailed information on the tests and error messages.

Following these steps, you should be able to solve the problem with the transaction of unprocessed transactions in your test network. If the problem persists, do not hesitate to request additional assistance or clarification regarding your specific situation.

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