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 (14)

dinecsy

novakfebtakedg
Kushnikova Milena

asari
atinuke olountobi

magacayga

listonr12
computer

lejuice

amel_skilling

tiolop
roberto M A

lucha

valiantrock
uljas

kovinis
Antonio

retr0id
David Buchanan

rui_soares
Rui Soares

flima
Lima

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