Polis is a new digital currency supporting peer-to-peer transactions without an intermediary. These transactions are verified by the network, approved by consensus and recorded in a public ledger. Supports: Instant transactions, Decentralized Governance, Proof-of-Work, X11 Algorithm encryption.
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.