DAEX is a clearing solution for centralized cryptocurrency trading exchanges. Its clearing service is based on distributed ledger technology. Clearing and settlement rules are preprogrammed into clearing smart contracts on the DAEX clearing chain. The clearing process is automatic without people’s interference. The objectivity of clearing is guaranteed by the consensus mechanism on the clearing chain. Also, customers’ digital assets are registered and stored on the DAEX’s clearing chain. No other institutions or individuals can access these assets without the owner’s permission.
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.