Blockchain is the public ledger technology underpinning Bitcoin but the technology has also spawned other innovations including a platform to reward the creators of user-generated content. Now Power Ledger is using a greener form of Blockchain technology – Ecochain– to allow those producing excess renewable energy to sell it on directly to consumers. Recently, we covered Transactivgrid, a US community electricity market which enables users to buy and sell energy from the grid. Power Ledger is different as it cuts out the middleman and allows …