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.
SmartCash is an easy to use, fast, and secure cryptocurrency that supports everyday use such as business payments. SmartCash has a unique decentralized governance system and technologies such as SmartNodes, InstantPay locked transactions in about a second, send by SMS and email, a project treasury with private key voting, SmartMining security, SmartCard, and it's Point of Sale app called SmartPay. SmartCash is pushing the limits of blockchain technology with tools that support entrepreneurship and innovation. Intended for use worldwide, SmartCash is available at ATMs, cryptocurrency shops in Canada and Europe, local exchanges and is especially popular in South America. In Brazil, 85% of retailers accept SmartCash with the SmartBand and is available at an additional 13,000 Caixa locations soon.