what is keybase
Keybase is a directory of public keys and the proofs of who owns them. It is free and open without an API key.
In a nutshell, Keybase lets you get someone's public key and trust it, without meeting in person or trusting a "web of trust."
~ quote from
http://keybase.io/i awasn't aware of this service, never used it, it seems a useful service, for increase the trust among users
i'd like to partecipate if i'm eligible