Quick Reference Card: Bitcoin and Ethereum
Bitcoin has a total supply cap of about 21 million coins; Ethereum has no hard cap on its total supply, which changes with new issuance and base fee burning.
Keep some ETH on hand to pay gas fees when using Ethereum; Bitcoin transaction fees are paid in BTC.
$BTC and $ETH are the native coins of Bitcoin and Ethereum, respectively, but they have different design goals.
Bitcoin has a total supply cap of about 21 million coins; Ethereum has no hard cap on its total supply, which changes with new issuance and base fee burning.
Keep some ETH on hand to pay gas fees when using Ethereum; Bitcoin transaction fees are paid in BTC.
$BTC and $ETH are the native coins of Bitcoin and Ethereum, respectively, but they have different design goals.