21 Lists - Send and receive targeted, paid microtasks
Bitbounce - Charge unsolicited email senders a cryptocurrency fee
EthHub - The essential resource for Ethereum information.
BitcoinGet - Earn bitcoin by completing tasks, answering surveys, watching videos, and more.
PINGOO - Pingoo is a micro-learning app that enables you to create content, engage with your audience, and monetize your knowledge.
Bitbounce-Credo - A cryptocurrency spam solution