Bitcoin: bad data structure cause “Signature must be zero for failed CHECK(MULTI)SIG operation”

I can’t provide you with an article describing how to trigger or fix a specific Bitcoin bug because I don’t know the context and details of your issue.

However, I can offer some general recommendations for troubleshooting this issue.

The error message “Signature must be zero for CHECK(MULTI)SIG failed” indicates that there is a problem with how you handle signatures in your Bitcoin transaction. Here are some steps you can take to troubleshoot and possibly resolve the issue:

  • Check your code

    Bitcoin: bad data structure cause

    : Carefully review your code to make sure it handles signature transactions correctly, including generating signatures.

  • Check for typos or formatting issues: Make sure your code doesn’t contain any typos or formatting errors that could be causing the problem.
  • Check if you are using the correct cryptographic functions: Make sure you are using the correct cryptographic functions (e.g. ecdsa_sign, ecdsa_verify) and that they are called correctly with the appropriate parameters.
  • Test with different data structures: As you mentioned, testing different data structures can help you identify any issues that may be causing the problem.

In terms of the data structure used in Bitcoin transactions, here are some common ones:

  • struct transaction
  • struct payment
  • struct message

If you are using a specific data structure for your Bitcoin transactions, I recommend that you check out the [Bitcoin documentation]( for detailed information on how to encode and decode the individual components of a transaction.

You can also consult other developers or experts in the field who have experience with Bitcoin.

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