'$300m in cryptocurrency' accidentally lost forever due to bug
https://www.theguardian.com/technology/2017/nov/08/cryptocurrency-300m-dollars-stolen-bug-ether?CMP=twt_a-technology_b-gdntechEthereum Plans to Cut Its Absurd Energy Consumption by 99 Percent
https://spectrum.ieee.org/computing/networks/ethereum-plans-to-cut-its-absurd-energy-consumption-by-99-percent