Credit: zcopley-cc-by-saCredit: zcopley-cc-by-saAt its core, Bitcoin is a completely decentralized ledger system. It can be thought of as a massive online version of an accountant's book in which transactions are recorded by deducting from one account and adding to another. Jerry Brito believes this digital protocol promises to change more than just the future of currency—despite government attempts to rein it in.