Bitcoin Confidential is a new coin focused on confidentiality/privacy that will be Proof of Stake, using Ring Confidential Signatures and based on the latest Bitcoin codebase for compatibility.
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.