International Business Times UK
CoinDesk
When a bitcoin transaction takes place, it contains one or more ECDSA signatures. The number of signatures in a transaction depends on the number of inputs that it contains and are used to prove the transactions were authorised by their rightful owners.
Bitcoin: Offline wallets seen vulnerable to security attacksInternational Business Times UK
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Fri, 16 Jan 2015 19:49:51 GMT
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