Forbes, July 3, 2018
Blockchain, as more and more people are finding out, is a ledger system for keeping records. More specifically, blockchain is an open (i.e. public, not held inside one company, unless it’s a private blockchain) distributed (it exists on many computers) immutable (it can not be altered, in theoretical terms, although it can be reverse-engineered and compromised to degrees) and permanent (needs no explanation) ledger system to record transactions between two parties.
