You can't outsource your computer/cryptocurrency security to a 3rd party like your phone carrier. It's a recipe for disaster.
The services are vulnerable too. 2FA isn't safe if you use it with your phone number.
How is 2FA not safe?
There two layers here, the password and the time password or 2FA which I consider the safest way when logging in somewhere.
As spoken by him 2FA is not so safe if you use 2FA through SMS verification. Didn't know whether 2FA which use software like google authenticator or similar could be compromised but news above in the main post is a proof that SMS verification could be compromised
I don't really think that some hackers can do things like this, tho this kind of method is not impossible, but this is very rare to happen, so everyone must be aware of this type of incident. Everyone must be careful especially to those who have huge funds with their web wallets.
Yeah you said some hackers can't do things like this but maybe the hackers which were mentioned in the news are the rest hackers who could
Then ok but I think that these two things are going together, first we put the phone number as a backup of the 2FA app
I use Authy and I have to give my phone number in case I forget the password or the password of this app (like Google Authenticator)