$BTC $BTC One bitcoin is subdivided into smaller units called satoshis—the smallest unit in the Bitcoin network.

• 1 BTC = 100,000,000 satoshis (one hundred million satoshis) 

• Conversely, 1 satoshi = 0.00000001 BTC 

Think of satoshis like cents to the dollar—just much, much smaller. You’ll often see people refer to amounts in sats when dealing with tiny fractions of a bitcoin