Waiting 10 minutes for a transaction to appear in the block chain is so much more efficient than swiping a card and walking out the door
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Replying to @bodskibod
@bascule BitPay do not wait for confirmations and seem to be fine with it. More info: http://www.reddit.com/r/Bitcoin/comments/1zoiwa/there_seems_to_be_a_lot_of_major/ …1 reply 0 retweets 0 likes -
Replying to @bodskibod
@bodskibod and what if a transaction winds up in an orphan block and needs to be replayed?1 reply 0 retweets 0 likes -
Replying to @bodskibod
@bodskibod what if your app isn’t talking to any node that’s seen the transaction? Trust the customer’s app?1 reply 0 retweets 0 likes -
Replying to @bodskibod
@bascule hence I say 'small' payments, i.e. for large payments such attacks may become economical and so we should wait for confirmations1 reply 0 retweets 0 likes -
Replying to @bodskibod
@bodskibod tl;dr: preventing Bitcoin fraud is hard, let’s go shopping?1 reply 0 retweets 1 like
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