cbETH is in the form of a liquid wrapped token into which regular ETH can be converted.
Coinbase announced its desire to start competing with another major liquid wrapped token platform, presumably Lido, for they did not name it.
Along the way, Coinbase Wrapped* Staked ETH, cbETH, introduced its new token for liquid staking of Ether (yes, yes, the same one that's just getting there).
Unlike ETH 2.0, cbETH will be liquid. It will allow you to withdraw, as well as transfer & as specified "gift" accumulated ETH. It will also b possible to use cbETH as collateral in DeFi.
As stated "there are no fees associated with wrapping or unwrapping cbETH", although there will b a standard charge for staking.
The announcement was made a few weeks before the Ethereum merger.
A wrapped token – is a token whose price is pegged to any other asset. Usually this technology is used to use tokens on another blockchain, for example Wrapped Bitcoin is made for using on the Ethereum blockchain with value retention.