Definition of blockchain
: a digital database containing information (such as records of financial transactions) that can be simultaneously used and shared within a large decentralized, publicly accessible network;
also
: the technology used to create such a database
- The technology at the heart of bitcoin and other virtual currencies, blockchain is an open, distributed ledger that can record transactions between two parties efficiently and in a verifiable and permanent way.
- —Marco Iansiti and Karim R. Lakhani
