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> There are some multi-sig schemes out there where true 2FA seems doable but they are not ready yet. Really? GreenAddress and BitGo both implement 2FA where yo
by vertex-four 12y ago
> There are some multi-sig schemes out there where true 2FA seems doable but they are not ready yet.
Really? GreenAddress and BitGo both implement 2FA where you hold one key on your computer, one key somewhere safe (like in a safe), and they hold one key on their servers. They'll only sign if you authenticate correctly.