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

Error 0x40004E4B: Unable to send a raw event

The error message received indicates that the Bitcoin test network, also known as Testnet or Rig Testet, does not accept your raw operation (P2PKH) broadcasts. This question may arise from many factors including:

  • Invalid signature

  • Invalid signature

Here are some stages that you can create to solve this problem:

Step 1: Check your signature

Make sure the signature is correct and the standard format used by Bitcoin. For a valid event, the signature must be zero.

Step 2: Confirm the signature format

If your signature is not in the right format, try to change it [0x … txid … hash … signature]. If you still have a problem, consider checking or helping the Bitcoin community.

additional troubleshooting steps:

  • Check the network compatibility : Make sure the test network is compatible with P2PKH events.

  • Update software

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

    : regularly update your Bitcoin software to make sure you have the latest features and repair.

  • Contact official documents : see. Officials [Bitcoin Wiki] ( to get more detailed information on testing and error messages.

By following these steps, you should be able to solve the problem by sending raw events on the tests network. If the problem continues, feel free to ask for additional help or explain your situation.

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