Vitalik: Congratulations to Sparkpool for mining Ethereum's Istanbul upgrade block

After the completion of Ethereum's Istanbul upgrade, Ethereum founder Vitalik Buterin congratulated Sparkpool on mining the Ethereum Istanbul upgrade block. Eth.Btc.com data shows that the Sparkpool mining pool currently ranks first with 34.44% hashrate; the Ethermine mining pool has 23.88% hashrate, ranking second, and the two major mining pools control 58.32% Ethereum network computing power. According to LongHash January 8 news, the two mining pools of Ethermine and SparkPool used 28.16% and 24.79% of the computing power to control Ethereum's total network computing power of more than 50%.