Why bitcoin addresses in testnet are not the same as in mainnet? For example ethereum address in mainnet can be used in testnet's (ropsten, rinkeby).
1 Answer
Because using the same addresses for both is an enormous footgun. People could accidentally send funds on the wrong chain.
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sounds counterintuitive. had the same address been used on both "chains", it would be a simple 1:1 Dec 9, 2022 at 5:00