ockam_credential (cargo): Attribute based, privacy preserving, anonymous credentials. 
Keywords: zero-knowledge|anonymous|ockam|credential|authorization|authentication|credentials|distributed-systems|e2ee|encrypted-connections|encrypted-messages|encryption|end-to-end-encryption|identity|identity-managment|influxdb|kafka|key-management|messaging|rust|security|security-tools|trust|zero-trust