Coinbase and others (Binance) use "ETH2" as a token for signalling that the ETH has been locked-up for the network upgrade. A ETH2 token on those platforms is j

Coinbase and others (Binance) use "ETH2" as a token for signalling that the ETH has been locked-up for the network upgrade. A ETH2 token on those platforms is just a proof that the underlying ETH has been locked. If you were to not use a CEX, your ETH would be gone until the upgrade is finished, so exchanges make that a bit less harsh with their eth2 tokens and allow you to still do stuff with it