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.

Online is developing an Ethereum based web browser that is designed to change the advertising-based revenue models of the internet. Their ecosystem is powered by Ethereum-based OIO token. The network will also have a second token called ICE, that will be mined by webmasters according to the Proof of Online algorithm.

BitTube is a cryptocurrency powered web browser extension that blocks ads and enables micropayments between users and publishers. BitTube has a Proof of Work consensus mechanism, and is powered by the TUBE coin. The AirTime monetization system rewards users with TUBE coins for spending time on websites.