The Vibe: The tiniest pieces of Bitcoin—like pennies to a dollar—so you can talk about small amounts without saying fractions of a whole Bitcoin.
The Details: A sat (short for satoshi) is the smallest unit of Bitcoin. One Bitcoin equals 100,000,000 sats (or 10^8). Named after Bitcoin’s creator, Satoshi Nakamoto, sats make it easy to buy, send, or earn tiny amounts—like paying for coffee or getting rewards—without dealing with decimals (0.000001 BTC). People often say “stacking sats” to mean buying or earning small bits of Bitcoin over time. In 2026, with Bitcoin prices high, most everyday transactions and Lightning Network payments are measured in sats (e.g., 50,000 sats for a coffee). Many wallets show balances in sats for simplicity, and it’s common slang: “How many sats did you DCA today?”
Pro Tip: Think in sats for small buys or savings goals—it feels less intimidating than big Bitcoin prices. Use wallets that display sats (like Wallet of Satoshi or Phoenix) for Lightning payments. When buying on exchanges, check the sat equivalent to track your progress—stacking small amounts regularly adds up over time.