[vmokry]

Like others, I also use keybase.io. By design it is not connected to the phone number, I can prove by myself the identity of the recipient and yes, it has exploding messages. They had a fiasco with unwanted cryptocurrency but now it is mostly forgotten/forgiven.

[stevekemp]

I'm not so sure that their crypto-foray was so easily forgiven and forgotten.

I know that I deleted my account as a result of it, and a couple of days ago there was a lot of noise about it in the discussion of https://keys.pub site:

https://news.ycombinator.com/item?id=22995792