our official announcement is up! https://keybase.io/blog/keybase-proofs-for-mastodon-and-everyone
And so we enter the #fediverse. Support for all instances is coming soon. We're just waiting on more of the Keybase community to update to the latest versions so all of these new proof options will look good in the UI. Thanks for your excitement!
It is proven! I am max on Keybase: https://keybase.io/max/sigchain#7f30befae967650929df88069fa001244703e6721ea7f122e4a6bf5d86b260790f
It is proven! I am chris on Keybase: https://keybase.io/chris/sigchain#900311b55492d8226dfeabf5e275cb1b000156797581a0ea6b8908fa9a856fcf0f