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.
Niv Dror- Words @ProductHunt & @AngelList
Was super impressed by 21's on-boarding. You get free bitcoin 😎
Kunal Bhatia- Co-founder & Design Lead @SlidesUp
Have you considered making people pay to email you? :) Might cut down on some emails that you might not need in the first place. I just registered and it was really easy to set up.Kunal Bhatia- Co-founder & Design Lead @SlidesUp
This question is interesting. If you wanted to flip it and have people pay YOU to do something (e.g. respond to an email), check out 21. I replaced my public email with a 21 account and charge $5 (a donation to Black Girls Code currently) to send me a message.HuffPost
In 2010, a developer purchased two pizzas using the forum Bitcointalk.org. He paid 10,000 bitcoins for the pizza. The price of Bitcoin today is 2X the price of ounce of Gold. Had the developer kept his 10,000 bitcoins, he would have had $25 million dollars today.WSJ
Silicon Valley visionary Balaji Srinivasan explains how bitcoin works and why he regards it as revolutionary.Yahoo
Before 21 Inc. had even put out a product, it had raised $121 million in venture funding -the most of any bitcoin company. It was unclear, for months, what 21 would actually do or make. But some of the biggest names in fintech funding, including Andreessen Horowitz, Khosla Ventures, and the Winklevoss brothers, were interested enough to invest.TechCrunch
Today at Disrupt, 21.co CEO and co-founder Balaji Srinivasan outlined his company's unusual evolution and announced the launch of a new system for kickstarting the site's user base by incentivizing people with tokens for doing things like signing up, getting verified and performing certain tasks.
