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A block chain, or blockchain, is a distributed database that maintains a continuously-growing list of data records hardened against tampering and revision (see Git repository design).

Blockchain Demo

W3C Blockchain Community Group

Discussion of blockchains for the Blockchain Community Group and workshops


Blockchain Cryptography for Developers: ECC, secp256k1, SCrypt, AES, Wallets

How blockchain could change Web-based content distribution - Bitcoin Ninja