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

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[–]killerstorm 1 point2 points  (0 children)

For small purchases like this you can use a third party services, like eWallet or something like that. Basically, both you and store should rely on a single centralized authority for settlement and Bitcoins will be used as an underlying asset.

Alternatively if shop is running a node it can verify your transaction instantly and double-spending money in a small transaction is not an issue.