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by guy_c
2940 days ago
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An exchange could mitigate this attack by also monitoring the outflow by 'age'. Delaying any large withdrawal of 'new' coins. * AGE: i mean, how recent was the deposit of any coins involved in any transaction. So if I send a large quantity of Bitcoin Gold to an exchange (they are marked as 'new'), then if I immediately exchange them to Ethereum, the Ethereum is now also considered 'new'. If I try to withdraw the Ethereum the exchange delays withdrawal. |
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