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Have there been any decentralized 2fa service built into the blockchain? it can be bitcoin or any altcoin.
Patoshi パトシ
Posted 2017-10-04T14:44:04.950
Reputation: 8 911
Question was closed 2017-10-04T18:49:07.897
Nope, there's none. – MCCCS – 2017-10-04T14:48:23.750
This makes no sense. You have to prove the validity of your transaction to the chain - the chain can't send you an SMS to verify. – Pieter Wuille – 2017-10-04T18:26:08.947
Asked: 2017-10-04T14:44:04.950
Viewed: 21 times
Active: 2017-10-04T14:44:04.950
Nope, there's none. – MCCCS – 2017-10-04T14:48:23.750
This makes no sense. You have to prove the validity of your transaction to the chain - the chain can't send you an SMS to verify. – Pieter Wuille – 2017-10-04T18:26:08.947