I am looking for a way to validate a signature from any Polkadot wallet in Node.js. Preferably it would be some lightweight library which supports this since @polkadot-util/crypto is a bit too heavy based on my requirements.

Are there any alternative libraries or some other methods that I can use to validate polkadot wallet signatures for a given message using Typescript or Javascript?


  • 1
    Well, you could extract that part from polkadot-util/crypto actually.
    – AurevoirXavier
    Commented Dec 6, 2023 at 12:11
  • True, I already looked into that, however the implementation seemed quite convoluted and containing multiple dependencies. Commented Dec 6, 2023 at 21:40


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