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I didn't get anything similar from them, and there's no notice on their site.
Are you sure it's not a scam? Did you follow any links in the mail?Edit - they do say that security keys are preferred over authenticator apps. But there's no notice, I didn't receive a mail, and there's no obvious reason they should know which authenticator you're using anyway.
useless-
May have been on the cards for a while:
https://www.reddit.com/r/CoinBase/comments/aa3nqu/why_is_coinbase_in_my_authy_app/ -
It's weird. I didn't click any links, and I googled for news instead. And I found a bunch of stories, but I just noticed all the stories are from 3-4 years ago.
Hippy just linked to an article on their website which says they support GA and Duo, which is what the email said I should move to.
hippy
cyclotron3k
I got an email today from Coinbase saying they are dropping support for Authy, (apparently due to concerns about phone porting attacks).
How would they even know I'm using Authy over, say, Google Authenticator?