What is a Blockchain?

This short post is not about Bitcoin. It’s about a new method of organizing and arbitrating communications that is at the heart of Bitcoin.

We hear a lot about the blockchain. We also hear a lot of misconceptions about its purpose and benefits. Some have said that it represents a threat to banks or to governments. Nonsense! It is time for a simple, non-political, and non-economic definition…

What is a Blockchain?

A blockchain is a distributed approach to bookkeeping. Because it opens and distributes the ledger among all participants, it offers an empowering, efficient and trusted way for disparate parties to reach consensus. It is “empowering”, because conclusions built on a blockchain can be constructed in a way that is inherently fair, transparent and resistant to manipulation.

This is why blockchain-backed systems are generating excitement. Implemented as distributed and permissionless, they take uncertainty out of accounting, voting, legislation or research, and replace it with trust and security. Benefits are bestowed without the need for central authority or arbitration. The blockchain not only solves a fundamental transaction challenge, it addresses communication and arbitration problems that have bedeviled thinkers since the ancient Egyptians.

Related:

—Ellery Davies, CRYPSA Co-chair
Cryptocurrency Standards Association

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