Blockchain is not bitcoin. Bitcoin is digital money, a virtual currency that was the first successful blockchain product. Blockchain is the technology that enables cryptocurrency like bitcoin. While they go hand-in-hand, there are other use cases for blockchain besides bitcoin. Blockchain can ensure that the terms of programmable autonomous contracts, known as smart contracts, are met. It can be used for online voting to address voter fraud. It can be used to secure identity and many other situations where transparency and security is lacking.