Grid Singularity is exploring the blockchain to authenticate energy transactions. The company is targeting developing countries to make “pay-as-you-go” solar more secure. The goal is to develop a blockchain platform for energy systems that can apply to any transaction on the grid. Ed Hesse, the co-founder and CEO of Grid Singularity, doesn't see other platforms as full-on competitors yet. "I don’t see one universal blockchain. I see many different blockchains that overlap," said Hesse.