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.
Alternative products to Whale 2.0
Video Q&A with your Twitter friends
10 alternative and related products to Whale 2.0
Help people by sharing contacts pseudo anonymously
BFF is a makers community to ask and recommend contacts anonymously and earn a reputation score which will be converted to as BFF tokens.