Elliptic Curve Digital Signature Algorithm or ECDSA is a cryptographic algorithm used by Bitcoin to ensure that funds can only be spent by their rightful owners. It is dependent on the curve order and hash function used. For bitcoin these are Secp256k1 and SHA256(SHA256()) respectively.| en.bitcoin.it
This page is a discussion of the different ways of storing bitcoins, whether for investment purposes or as a medium of exchange.| en.bitcoin.it
A modified Base 58 binary-to-text encoding known as Base58Check is used for encoding Bitcoin addresses.| en.bitcoin.it