Satoshi Nakamoto

"I've been working on a new electronic cash system that's fully peer-to-peer, with no trusted third party."

"The Times 03/Jan/2009 Chancellor on brink of second bailout for banks"

"The nature of Bitcoin is such that once version 0.1 was released, the core design was set in stone for the rest of its lifetime. Because of that, I wanted to design it to support every possible transaction type I could think of. The problem was, each thing required special support code and data fields whether it was used or not, and only covered one special case at a time. It would have been an explosion of special cases. The solution was script, which generalizes the problem so transacting parties can describe their transaction as a predicate that the node network evaluates."

"Fortunately, so far all the issues raised have been things I previously considered and planned for."

"Lost coins only make everyone else's coins worth slightly more. Think of it as a donation to everyone."

"If you don't believe me or don't get it, I don't have time to try to convince you, sorry."

"It would be unwise to have permanently recorded plaintext messages for everyone to see. It would be an accident waiting to happen. If there's going to be a message system, it should be a separate system parallel to the bitcoin network. Messages should not be recorded in the block chain. The messages could be signed with the bitcoin address keypairs to prove who they're from"