Datum is a decentralized and distributed high performance NoSQL database backed by a blockchain ledger. This technology allows anyone to securely and anonymously backup structured data from social networks, wearables, smart homes, and other IoT devices. Datum provides a marketplace where users can share or sell data on their own terms.
Credo is the token you earn when someone you don’t know sends you an unsolicited email. You can use the Credo you earn to send your own emails to people you don’t know, trade it for other currencies, or hold onto it as its power increases.