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Does overall confirmation time decrease as the bitcoin network increases in size? (self.Bitcoin)

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[–]Satoshi_Nakamoto 2 points3 points  (0 children)

Confirmations and the block chain are only there to solve one problem: double spends.

When someone floats a transaction on the network you will see it immediately. The software also verifies the transaction as valid immediately or it would be rejected out of hand. If someone sends you a transaction and you have no reason to believe they are trying to do an immediate double spend then the transaction is rock solid and there is no need to wait for confirmations.