Series I · Card 15 of 21 · SATOSHI’S MAILBOX
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.
SATOSHI NAKAMOTO · BITCOINTALK · 17.06.2010
Turn it over, answer, sign – free, no account.
Source
BitcoinTalk, “Re: Transactions and Scripts: DUP HASH160 ... EQUALVERIFY CHECKSIG”, 17 June 2010
About the author
Pseudonymous creator of Bitcoin. Published the whitepaper “Bitcoin: A Peer-to-Peer Electronic Cash System” in 2008 and launched the network in 2009. Their identity remains unknown.
About the source
Bitcointalk: the forum Satoshi opened in November 2009 to talk about Bitcoin.
The question on the back
How many of your principles do you never want to change again?