Domain rebranding : Blockchain services company, 21.CO, becomes

Bitcoin services company, 21.CO, performed a domain rebranding and became, formerly 21.CO, is a new kind of social network where you earn digital currency by replying to emails and completing tasks.

The announcement, earlier today, discusses what changes, and what will not change:

We’re excited to announce that is now!

Our product is unchanged: you still earn digital currency for replying to emails and completing tasks, and you can still earn tokens for signing up for our token launch later this year. But we think “” gets that concept across more quickly than “”, especially to folks who are new to digital currency.

The idea behind is that we’ve built a positive-sum social network, where every notification is an opportunity to earn money. This is quite different from existing social networks, where notifications are often distracting or even downright negative.

Rather than posting something and hoping other people will like it, at you complete tasks and reply to messages that others have paid to send. It’s a positive-sum system where everyone comes out ahead, and where progress is measured in the value created for you and others. It’s also an important practical application of blockchain technology — rather than mining or buying digital currency, now you can earn it at That started with earning Bitcoin — and we’ll continue to support Bitcoin — but we’ll be adding ways to earn other digital currencies as well, starting with our token.

What does the new domain mean for existing and new 21.CO users?

Here’s what says:

  • Effective immediately, is the new canonical URL, company, and app name.
  • In particular, to find our app in the App Store or Google Play you can just search for “”
  • All profile and list URLs (like will be redirected in perpetuity to their analogs at (such as So don’t worry if you’ve linked to your profile page from your Twitter, LinkedIn, or homepage — that link will continue to work in perpetuity, and you can update it to the corresponding link at your convenience.
  • Our token launch remains on schedule for later this year. You can read more about it at
  • Our logo has been updated. Other website assets remain the same for now, though we may do a refresh in the future.
  • We have discontinued some older URLs, but our open source python libraries will continue to remain available.
  • Our corporate email addresses will continue to work in perpetuity. This includes our support emails. So will work, but you can use going forward.
  • Our blog is at, though links will continue to work.

You can follow the new domain on Twitter at @earndotcom.

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