Bitcoin can already support retail confirmation within seconds without risk of fraud. See https://en.bitcoin.it/wiki/Myths#Point_of_sale_with_bitcoins_isn.27t_p

Bitcoin can already support retail confirmation within seconds without risk of fraud. See https://en.bitcoin.it/wiki/Myths#Point_of_sale_with_bitcoins_isn.27t_possible_because_of_the_10_minute_wait_for_confirmation https://en.bitcoin.it/wiki/Myths#Point_of_sale_with_bitcoins...