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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. Users set up a 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.

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Earn money for replying to emails and completing tasks.

Use to earn digital currency by replying to emails and completing tasks. It works on your phone, in any country, with no need for a bank account.

Since the last time we were on ProductHunt as, we've launched Gmail integration, mass messaging, search, public tasks, and even monetizable email lists. Come check us out at!

Deniz Vatan
Deniz Vatan- Developer, sailor, dart player, diver ..
Absolutely especially Earn airdrops!
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Millions have first got cryptocurrencies by buying, but billions may first get cryptocurrencies by earning
Getting digital currencies into the hands of the next billion - @earndotcom lets you earn them!
want digital currencies without paying for them? @earndotcom makes it easy to, well, earn them!
Use to make money online by replying to emails and completing tasks. It works on your phone, in any country, with no need for a bank account. We're excited to announce that is now!
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Charge unsolicited email senders a cryptocurrency fee

Cryptocurrency spam solution. BitBounce reduces your email spam by charging unsolicited email senders a cryptocurrency fee to send you their emails.

When senders pay your cryptocurrency fee,� their emails are moved to your inbox.

3 Alternatives to Bitbounce

Cryptocurrency for online display advertising

BenjaCoin is the cryptotoken for the Benja merchandise ad network, which offers deals from top-tier brands like Nike, Patagonia, and Under Armour. We're offering true ad bid transparency and we're taking the billing cycle from 120-150 days to same-day. Crowdsale ongoing at

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Benja, the merchandise ad network, is aware of the notice published by the U.S. Securities and Exchange Commission (SEC) today relating to its investigation into The DAO Initial Coin Offering (ICO). Based on the guidance provided in reports published on, Benja intends to continue wit
Hacker Noon
After my e-mail, I waited. We spent our week finding the right partners for benjaCoin 's 8/1 launch, completed the paperwork to be listed on an exchange, and enjoyed some enchiladas at Güero's. I wasn't sure that I would get a response from the SEC.
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High-value crypto long-reads in every new tab

Spacejunk curates crypto long-reads and surfaces them in your new tab. Save time from searching and vetting high-quality content, discover great crypto ideas and research without the hype and FUD, and read distraction free

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There is no denying that Crypto is the wild west. When I speak with friends who don't know much about crypto, they're not wrong to be skeptical. Actually, if you're not skeptical, there's a problem. ICO scams, hacked exchanges, and volatility have scared off many.
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