Products/Finance/21.coQuietVC Report ↗

21.co

Replace your public email with an inbox that pays you

Finance·Launched Jan 2017·0 upvotes·launch2021.co

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ALIVEverified Jul 14, 2026 · HTTP 200

CohortClass of 2017

What it is

Replace your public email with an inbox that pays you. — The 21 app allows you to earn bitcoin in exchange for answering messages and completing tasks. After answering a message or completing a task, you will receive a task reward in bitcoin. [iOS, Email, Social Media]

HTTP liveness

11 probes since Jun 16

Jun 16Jul 14

AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)

Observed events

probes · press · GitHub

Jul 3, 2026
Back online
Alive · 200 OK
Jun 16, 2026
First probe — down
Dead · 404

Moat

Data moat

weak

weak · 0.80 confidence

Text classification · Jun 2026

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