It is proven! I am alazarte on Keybase: https://keybase.io/alazarte/sigchain#7ea62f57ecaef7cd123ebc275090e5e7e43cbe082e25d4f2414e3f1a237bbb9b0f
Fosstodon is an English speaking Mastodon instance that is open to anyone who is interested in technology; particularly free & open source software.
