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what process do prevent Bob from not using Alice address as the sender in another transaction Bob doesn't know Alice's private key. A transaction requires that a kind of digital signature be included with the amounts being spent (e.g. From Alice's address) All other Bitcoin users (wallets, miners, etc) check the signature. the signature is just a complex ...


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I don't think it is possible in the way you are describing it. Even if there was a smart contract which replicates itself and pays transactions and stuff. The thing is, a smart contract cannot act by itself. There has to be a user who initiates the actions. Then the smart contract could send a few transactions, but only within the block where the user ...


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I think this comes down more to semantics than anything else (and thus might make the question off-topic as opinion based), but I'll give it a shot. I would classify BitAddress or WarpWallet as standalone programs (or even scripts, although I would lean towards program since they are interactive), much in the same class as a calculator app. Yes, they don't ...


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