Overview: Blockchains offer a new class of global coordination mechanisms with potential to help crises in energy production and climate change. These frontiers will be the focus of a one-day event co-organized by the Princeton Center for the Decentralization of Power Through Blockchain Technology (DeCenter) and the Andlinger Center for Energy and the Environment. Space is limited to 30 invited participants. Those interested in consideration may direct letters of inquiry to decenter@princeton.edu.