$BTC $ETH $BNB Many cryptocurrencies were created to facilitate work done on the blockchain they are built on. For example, Ethereum's ether was designed to be used as payment for validating transactions and opening blocks. When the blockchain transitioned to proof-of-stake in September 2022, ether (ETH) inherited an additional duty as the blockchain's staking mechanism.3 Ripple's XRP is designed to be used by banks to facilitate transfers between different geographies.4
Because there are so many cryptocurrencies on the market, it's important to understand the types of cryptocurrencies. Knowing whether the coin you're looking at has a purpose can help you decide whether it is worth investing in—a cryptocurrency with a purpose is likely to be less risky than one that doesn't have a use.