marcotc (Marco Costa) | Keybase

marcotc

Marco Costa

Toronto

Chat with marcotcStart a chat
Your conversation will be end-to-end encrypted.

a mystery user with no key

marcotc.com dns

Chat with marcotcStart a chat
Your conversation will be end-to-end encrypted.

Following (0)

Followers (1)

cabello
Danilo Cabello

Browse others (13)

andreabmanuitt
Andrea Manuitt

wdr
wesley

minhyen

dtnunestd
Daniel Tavares Nunes

zerodragon
Zero Dragon

gitirabassi
Giacomo Tirabassi

sirromey
Aadhav Kandasamy Suresh

micha3lbrown
Michael Brown

miltarye

aaronmackey
Aaron Mackey

bagusgrandis
Bagus Grandis Pangingyon

happygeek

maria_20

What the heck is Keybase?

Keybase is an open source app

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.

Please send us feedback & bug reports.

Keybase, 2026 | read our blog
terms & privacy & security advisories & california ccpa & acceptable use