joxn (John S Costello)

joxn

John S Costello

Computer security; software test; aikido.

Seattle, WA, USA

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4 devices

82D4C30C61EBD294

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joxn*keybase.io

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Keybase comes with everything you need to manage your identity, create secure chats, and share files privately. It's free.

It's fun too.

Over 100,000 people have joined Keybase so far to prove their identities, and it's growing rapidly.