EchoLink is a blockchain based system that provides verified education, skill, and work experience information. Taking advantage of blockchain technology's immutability and time stamp functionality, EchoLink provides users with trusted information regarding a job candidate's education, skill, and work experience. EchoLink provides savings to recruiters in time and financial resources. The EchoLink system can be also be used for additional industries, such as banking, finance, general notary service.
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.