Block chain (database) - Wikipedia, the free encyclopedia
https://en.wikipedia.org/wiki/Block_chain_(database)
A block chain or blockchain is a distributed database that maintains a continuously growing list of data records that are hardened against tampering and revision ...
Block chain - Bitcoin Wiki
https://en.bitcoin.it/wiki/Block_chain
A block chain is a transaction database shared by all nodes participating in a system based on the Bitcoin protocol. A full copy of a currency's block chain ...
Blockchain technology is mundane and unsexy, but has the potential to transform how people and businesses co-operate
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