Before looking at fund flows, understand the rules first. This time, we’ll talk about Bitcoin and Ethereum.
Bitcoin uses the UTXO model for accounting, while Ethereum uses the account model. The two accounting methods are different.
Transfers on Ethereum require keeping a small amount of ETH for gas; on-chain Bitcoin transaction fees are paid in BTC.
$BTC and $ETH are the native coins of Bitcoin and Ethereum, respectively, and their design goals are different.

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