It supports two -
factor authentication via Electrum and Trustedcoin, multisignature, and cold storage by broadcasting transactions from a machine that doesn't have access to your keys.
Some services also allow you to remove two -
factor authentication via a confirmation link or code emailed to a linked email address.
90 % of Americans owned a cell phone as of last January — there's no reason that most companies and organizations can't mandate two -
factor authentication via a text message for crucial account interactions.
Not exact matches
Two -
factor authentication, IP whitelisting, Confirm withdrawals
via email, SSL encryption, Trezor cold wallet storage.
Earlier this month, the Social Security Administration announced it will enable two -
factor authentication starting June 10, requiring account holders to log in and provide an additional point of identification
via cellphone or email.
The «two» in the «two
factor» comes from the
authentication system asking for two different pieces of identification in order to let you in - e.g. your password AND an one - time PIN that the service sends
via SMS to your mobile phone.
While the Bitcoin Core wallet still has better privacy features, GreenAddress offers unique protection against malware
via two -
factor authentication.
Both hardware wallets use the FIDO U2F open
authentication standard, which is said to offer better security than the two -
factor authentication people usually use
via their smartphones.
Bitcoin trading through Bitcoin ATMs require two -
factor authentication: first, you'll have to confirm your phone number
via an SMS code, followed by your identity
via a fingerprint or face scan, sometimes, palm vein scan.
We'll have to wait and see how the feature works, because unlike the U.S., transactions in India need a second
factor of
authentication either
via an OTP or your internet banking password.
Premium subscribers gain hardware two -
factor options like Fingerprint
Authentication (
via Windows Biometric Framework), Yubikey Multifactor
Authentication and Sesame Multifactor
Authentication.