'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)'
DDK is a community platform that aims to create economic opportunities through the development of blockchain solutions. Since 2015, the DDK community claims to have contributed to a number of blockchain platforms.The DDK platform uses the Delegated Proof of Stake (DPoS) mechanism within its core. According to DDK, one of the advantages of a DPoS blockchain is that it depends on community members to participate in the maintenance and security of the platform so that each member’s participation provides benefit for all.