'DeepOnion (ONION) describes itself as a decentralized, open-source, community-driven cryptocurrency that offers multi-layered privacy and everyday use cases. It uses an x13 hybrid PoW/PoS to secure the network. DeepOnion claims to be one of the earliest cryptos to integrate the Tor network into the DeepOnion wallet, which has reportedly not leaked any IP addresses since its release on 12 July 2017. Features delivered by the DeepOnion team: DeepSend as a base solution for private and untraceable payments without relying on cryptographic encryption. DeepVault to register and verify digital files with the DeepOnion blockchain. VoteCentral, a balanced and non-biased voting platform for the community. WooCommerce, Shopify and OpenCart payment plugins for merchants. More info can be found at (https://DeepOnion.org)'
Mastercoin / Omni is a digital currency built on top of the Bitcoin blockchain. Its features include the development of a decentralised exchange and the implementation of smart property and savings wallet. The Master Protocol facilitates the creation and trading of smart properties and user currencies as well as other types of smart contracts. Mastercoin enables the Bitcoin eco-system to become more decentralized. The Mastercoin project was launched on 31 July 2013 with a one-month long fundraiser. Those interested in obtaining Mastercoin may send bitcoin to an 'Exodus Address' where the funds collected would be used to fund the development of Mastercoin. Around 500 people invested in Mastercoin sending roughly 5000 bitcoins to the Mastercoin project.