Cryptocurrency exchange Coinbase has added a mirrored version of the Ethereum blockchain's native token Ether (ETH) to its crypto price index, just ahead of a key network upgrade on Dec. 10. Dubbed "ETH2," the symbol appeared to have been tracking the original Ether market data synchronously. For instance, the cost to purchase ETH2 came out to be the same as that for ETH. Meanwhile, their market capitalization, volume, circulating supply and price changes were also identical.Coinbase is ...