The day before Pizza Day, OKX Hot Words 101 Episode 5: 'Satoshi' Satoshi (聪) is the smallest unit of Bitcoin and also the name of Bitcoin's anonymous founder, Satoshi Nakamoto. 2008: Satoshi Nakamoto published the Bitcoin whitepaper 2009: The Genesis Block was mined, and the Bitcoin network officially launched 2010: Laszlo spent 10,000 BTC on pizza, marking Bitcoin's first physical goods transaction