RT: @VitalikButerin why did the move to staking take so many years, when cryptos like Pivx, Qtum, Hydra, Reddcoin, Cloakcoin etc etc already have the ability for people to stake on Raspberry Pis etc?
RT：@VitalikButerin 当 Pivx、Qtum、Hydra、Reddcoin、Cloakcoin 等加密货币已经有能力让人们在 Raspberry Pi 等上进行质押时，为什么要进行质押这么多年？