Applying blockchain smart contracts to a transactive control system presents an opportunity to increase the scale and security of a modern grid, where distributed energy resources and real-time energy market applications require an increase in security and control of data. Blockchain provides a unique path for a more decentralized and resilient integration of “Energy Internet of Things” and grid-edge devices. Energy delivery systems operating at the grid’s edge require unprecedented levels of security and trustworthiness to verify integrity of data and manage complex transactions. Blockchain-based smart energy contracts can help fill these optimization and security gaps and improve the state of the art in grid resilience by providing an atomically verifiable cryptographic signed distributed ledger to increase the trustworthiness, integrity, and resilience of energy delivery systems at the edge.” – PPNL