Ethereum’s Istanbul Upgrade Arrives Early, Causes Testnet Split – CoinDesk
Ethereum test network Ropsten has forked into two separate chains following the activation of system-wide upgrade Istanbul. “It appears there are two different chains mining the Ropsten test network. There are miners mining on the old [Ropsten] chain and miners mining the new one,” explained Ethereum Foundation community manager Hudson Jameson, adding in a tweet: “This is what testnets are for!
