Bitcoin mining no doubt requires lots of energy and cost to maintain, use of excessive energy has been a key limitation for #bitcoin (mining) Former Twitter CEO Jack Dorsey announced his company Block, inc. are looking into developing more efficient hardware kits that will be used for mining bitcoin with little energy resources and low cost. #awesme #crypto #somee [Image source](https://www.instagram.com/p/Cph-xS6s_-c/?igshid=YmMyMTA2M2Y=)