Coinkite, a bitcoin platform that transacts more than 400,000 BTC per month, has reported a bitcoin malleability attack that requires users to be careful about zero confirmation receipts since there are two versions of a transaction (low S high S). Coinkite is requiring one confirmation for deposits before it uses them in a new transaction. Transactions have been modified and rebroadcast with new transaction numbers, indicating a malleability attack. The attacks have occurred over the last 24 to 48 hours. Almost all transactions on the network have suffered the attacks. Customer Funds Not At Risk The company noted in a […]
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