Holochain is a framework for creating and powering distributed applications, incorporating peer-to-peer content distribution protocol, cryptography, and hash tables.
Holochain is a data integrity engine in which transactions are immutable and users control their own identity and data 'chain.'
Holo is a marketplace and distributed hosting platform that allows Holochain app developers to have their applications hosted by HoloHosts, thus making them available to everyday users of the Internet.