21.co

Name: 21.co
Author: PH 新产品

Replace your public email with an inbox that pays you.

Visit Website

About

The 21 app allows you to earn bitcoin in exchange for answering messages and completing tasks. Users set up a 21.co public profile, enabling others to send messages and tasks to the user without revealing personal contact information. After answering a message or completing a task, you will receive a task reward in bitcoin.

Similar & Alternative Tools

Explore popular tools in the same category upvoted by the community.

西西提示词

45,000+ AI prompts for image, video & PPT generation with semantic search — copy, paste, create.

Social Media Tools Photography Web App

小桃子

An AI desktop companion that remembers and explores with you

Tech User Experience Artificial Intelligence

Clawdbot

Clawdbot is a Node.js-based agent framework that expands large language model (LLM) capabilities from text generation to system control.

Productivity Tech Artificial Intelligence

Temp Mail

Free online temporary email that safeguards your privacy and keeps spam at bay.

Web App Productivity Email

好有链接数字名片

A personal introduction mini-program that supports sharing via Chinese share codes.

Mini Program Social Media Tools Social Network

Cealer

Android SNI spoofing tool that lets you legally boost direct connection speeds to sites like Github, Steam and Pixiv without a proxy, for smooth, lag-free browsing.

Android Security Tech