BitBounce is developing an email spam solution based on cryptocurrency. BitBounce's crypto-based email spam solution charges senders a fee to have their emails moved to the recipient's inbox. The network is powered by the CREDO token.

TRON's goal is to build the infrastructure for a decentralized internet. The Tron Protocol is one of the largest blockchain-based operating systems, and is the underlying foundation for all decentralized applications in the TRON ecosystem. TRON has developed a set of consensus mechanisms, and features, that will facilitate content exchange and transfers of value, and will create a blockchain-based content ecosystem. The platform is powered by the Tronix (TRX) token.