"It's not stable-with-respect-to-energy. [...] It's not tied to the cost of energy." —Satoshi Nakamoto

"In comparison to modern distributed databases, blockchains are slow, ponderous, unnecessarily redundant and overly paranoid." —Dhruv Bansal

"I realised, oh, this ledger is now being maintained on everyone’s computers in real time so no one can freeze it, no one can reverse it, no one can counterfeit, no one can double spend. That’s when it really clicked for me." —Charlie Shrem

"Bitcoin seems to be a very promising idea. I like the idea of basing security on the assumption that the CPU power of honest participants outweighs that of the attacker. It is a very modern notion that exploits the power of the long tail." —Hal Finney

"If nuclear war destroyed half of our planet, [Bitcoin] would continue to live, uncorrupted." —Ralph Merkle