In 2008 bitcoin was introduced as the first cryptocurrency following the principle outlined by Satoshi Nakamoto in the paper “Bitcoin: A Peer-to-Peer Electronic Cash System.” The project was described as an electronic payment system using cryptographic proof instead of trust. Signing can for example result in executing a smart contract, a cryptocurrency transaction (see "bitcoin transaction" image), identification, or legally signing a 'document' (see "application form" image). In addition to this basic function of storing the keys, a cryptocurrency wallet more often offers the functionality of encrypting and/or signing information. ( Learn how and when to remove this template message)Īn example paper printable bitcoin wallet consisting of one bitcoin address for receiving and the corresponding private key for spendingĪ cryptocurrency wallet is a device, physical medium, program or an online service which stores the public and/or private keys for cryptocurrency transactions.
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