The smallest unit of Bitcoin is called a "Satoshi," which is one hundred millionth of a Bitcoin (0.00000001 BTC). This name honors Bitcoin’s creator, Satoshi Nakamoto, and makes it easier for people to trade or hold smaller portions of Bitcoin as its price rises. The reason behind the creation of Satoshi as the smallest unit is closely tied to Bitcoin's design principle. With a fixed supply cap of 21 million coins, Bitcoin’s scarcity drives its potential for price appreciation. The ability to...