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Yes, bcoin: http://bcoin.io/ https://github.com/bcoin-org/bcoin bcoin is a modular Bitcoin library for nodejs with full node and SPV node functionality, as well as a scalable BIP44 wallet used in production by several Bitcoin businesses including Purse.io. Bcoin has the second-fastest initial sync time out of all available full node implementations (after ...


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The base58 module is designed for Flickr; it uses a different alphabet ordering than Bitcoin, and only handles fairly small numbers not the size Bitcoin needs. For Bitcoin use bs58 module plus one other fix: the checksum is not the whole SHA256d but only the first 4 bytes, or since you store it in hex the first 8 chars: const bs58 = require ('bs58'); ... ...


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