BitLumens is building a decentralized, blockchain-based micro power-grid for the 1.2 billion people without access to electricity and banking.BitLumens distributes solar power devices in areas without a power-grid and connects them to the blockchain. By using the devices, people build up credit scores. Banks can access the data by using BitLumens own token BLS and use it to issue microcredits to those who urgently need them.