Take the 2-minute tour ×  Hi! Based on your experience, how long
does it take to receive one confirmation for any given
transaction which has payed the standard miner's fee? Is it
still reversible?   share|improve this question If a merchant or
trader will be accepting payment on 0 confirmations (or even one
or two confirmations), then there is a recommended configuration
to lessen the risk of being defrauded due to a race attack. – 
Stephen Gornick Jan 31 '13 at 2:51 add comment  1 Answer  up
vote 4 down vote accepted  A Bitcoin transaction, by design,
will get one confirmation after an average of 10 minutes. Even
before a confirmation has been received, a transaction is
generally irreversible.  If you were to send a second (double-
spend) transaction, using the same inputs as a transaction
you've previously sent, I suppose there might be some custom-
developed nodes that would give it priority if the transaction
fee was higher than the first transaction. However, I believe
most nodes would reject the second t