When using a cryptocurrency trading platform users can generate a Bitcoin public key which is represented as a string of characters or a QR code that can be scanned. Every public key is 256 bits long sorry this is mathematical stuff and the final hash your wallet address is 160 bits long. Private And Public Keys Have Different Uses Your Public Key Is Similar To Your Bank S Account Number You Need To G Cryptocurrency Crypto Currencies Bitcoin Every participant of the network can see it. What is a bitcoin public key . Other bytes require more than one character in order to be expressed in base58. Bitcoin uses public keys or address and private keys to encrypt and decrypt data transactions value-bitcoins. Therefore this is what needs to be completely secure. It is created from your private key which is like a. Public keys which are publicly known and essential for identification and private keys which are kept secret and are used for authentication and encryption. A public ke...