joxn (John S Costello)

joxn

John S Costello

Computer security; software test; aikido.

Seattle, WA, USA

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4 devices

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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.

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