By now, most people have heard of blockchain, at least for its role as the Bitcoin ledger. As awareness of blockchain has grown, people have come to understand that it is a powerful technology in its own right.
Blockchain is a general purpose, trustworthy, open, indelible ledger in the sky and embodies a fundamental and broadly applicable communication pattern. Financial services seized on blockchain quickly as a way to execute transactions without the cost and delay of escrow, starting a trend that should have that entire industry shaking in fear. Such is the power of a general purpose technology.
