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bitcore – How to verify the compressed signature in Bitcoin? It is 138 long in hex

Moussa by Moussa
December 21, 2025
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I am using the bicoinjs-message npm module for signature verification.

I learned that there are few signatures which are of length 138 in hexadecimal.
When I tried to verify such a signature it is throwing an error:

Error: Invalid signature length

How to verify the compressed signature?
I think there is a lib in ruby, bitcoin-ruby 0.0.20, which verifies it, but I don’t know ruby.



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