1Sat Ordinals — Single-Satoshi Tokens and Origin Tracking
A single satoshi, the smallest unit of bitcoin, can be moved around like any other coin, but there was no agreed way to treat one specific satoshi as a unique, trackable item that keeps its identity as it passes from wallet to wallet. Without that, you cannot build things like collectibles or one-of-a-kind tokens directly on bitcoin transactions, because every coin looks fungible and interchangeable. This gives that single satoshi a permanent name and a way to prove where it has been, so it can act like a non-fungible token.