A Conflict-free Replicated Data Type (CRDT) is a data structure that simplifies distributed data storage systems and multi-user applications. site 
This repository contains a proof-of-concept implementation for our distributed smart contracts system. Contracts are written in SES, a secure subset of JavaScript. SES programs are deployed in vats, a runtime that operates consistently across single "solo" machines, permissioned/quorum clusters, or public blockchains. This proof-of-concept demonstrates the "solo" and "quorum" vats executing in independent machines and processes, communicating securely using ocap protocols.