Cryptocurrencies like Bitcoin consume too much electricity to be sustainable. However, innovative blockchain technology may have a workable solution.

Cryptocurrency is not a sustainable payment solution - not yet, anyway. With rampant energy consumption, tremendous e-waste production, and a comparison with traditional banking that sees trouble ahead, crypto should be a hard sell to the eco-conscious. This article will outline why most crypto is so bad for the planet, how it compares with traditional banking, and how some networks have cleaned up their act.