«Distributed ledgers — or
decentralised databases — are systems that enable parties who don't fully trust each other to form and maintain consensus about the existence, status and evolution of a set of shared facts»
A blockchain is simply
a decentralised database that all users share.
Not exact matches
American citizens / Anonymous / Biometrids / central
databases / cross-verify identities / cyber-hacking /
decentralised / identify people / Identity Theft / IDs / Machine Learning / middleman / Press release / Technology
Other settlement layers like Ripple, Stellar or the defunct Falcon Protocol don't actually move value and are no different than using a MySQL
database... they are cryptocurrencies which may be better than bitcoin for payments but have no liquidity and address none of the above - noted use cases regarding creating
decentralised fiat pegged cryptocurrencies, «great for banks but not for remittance providers» says Bitspark.
Blockchains are a system of
decentralised, distributed ledgers (think of a spreadsheet or
database that is held on a number of computers at once).
Another start - up, Los Angeles - based Verisart, will use blockchain to provide a
decentralised online
database of art and objects of value, which can be then used by artists, collectors and sellers.