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I need to know how to get the corresponding public key of a private key in hd-wallets, I don't need the derived ones but the public key who is related to the private I got. A private key derived using the BIP32 hierarchical derivation is similar to any other one and the corresponding public key is obtained by "multiplying" your private by G, as ...


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Individual address private keys begin with 5,L or K. What you're calling root private keys are actually called extended private keys and they begin with ?prv where ? is either x,z,y,Y,Z. You can see examples of those here. So that's how you tell the difference.


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If you want to do Bitcoin stuff in nodejs, I recommend using bcoin: repo: https://github.com/bcoin-org/bcoin docs, guides: https://bcoin.io It has a fully-validating full node implementation, SPV implementation, and BIP44 wallet that is used by Purse.io and several other Bitcoin-accepting merchants for this exact use case: Each customer gets a dedicated ...


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