[freedsoftware]

Coins could be made to require two different keys to perform operations.

Social engineering attacks getting people to divulge their private single keys are a huge method of crypto theft.

[latchkey]

> Coins could be made to require two different keys to perform operations.

That's a function of the wallet, we call it multisig.

> Social engineering attacks getting people to divulge their private single keys are a huge method of crypto theft.

Correct and 2FA would do nothing to stop that. The same problem exists with Zelle in traditional finance. To the point that banks are no longer accepting Zelle.

https://www.thestreet.com/banking/zelle-scam-wells-fargo

[freedsoftware]

Wallets do not have to have 2fa. A currency could force them to have it.

Interestingly enough, one of crypto's biggest critics, Elizabeth Warren, has also been after Wells Fargo for Zelle scams.