History Blockchain technology's development was driven initially by cryptocurrencies. But cryptocurrency is just one application of blockchain Cryptocurrencies: ·Purely online Maintained by a decentralized distributed ledger ■Bitcoin One of the first successful cryptocurrencies,and the best known. Published under the pseudonym Satoshi Nakomoto Aims to be an anonymous,fully distributed and decentralized currency There are other blockchains that are more appropriate for blockchain- based enterprise data Database System Concepts-7th Edition 26.3 ©Silberscha乜，Korth and SudarshanDatabase System Concepts - 7 26.3 ©Silberschatz, Korth and Sudarshan th Edition History ▪ Blockchain technology’s development was driven initially by cryptocurrencies. • But cryptocurrency is just one application of blockchain ▪ Cryptocurrencies: • Purely online • Maintained by a decentralized distributed ledger ▪ Bitcoin • One of the first successful cryptocurrencies, and the best known. • Published under the pseudonym Satoshi Nakomoto • Aims to be an anonymous, fully distributed and decentralized currency • There are other blockchains that are more appropriate for blockchain￾based enterprise data