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.
PotCoin is a digital cryptocurrency aimed to empower, secure, and facilitate the Cannabis community, medicinal and recreational alike. The tagline for PotCoin goes as the following :- 'On every level of the Cannabis, Hemp and financial industries our users and supporters can entrust PotCoin to extend credibility, stability and security to this exponentially growing market and community.' It is based on the Proof of Work Scrypt algorithm with a total maximum supply of 420 million coins. PotCoin supports wallet software on most major platform including Windows, Mac, Linux, and Android. It also has a web wallet.