Ethereum, like any cryptocurrency, can be stored on a paper wallet. A paper wallet is simply a piece of paper with a public and private key printed on it.
These keys are generated by a wallet application and can be used to send and receive Ethereum.
While paper wallets are not as convenient as other types of wallets, they can be a good option for those looking to store their Ethereum long-term in a safe and secure manner.Paper wallets are also a good way to gift Ethereum to others, as they can be easily printed out and given to the recipient.
If you decide to use a paper wallet to store your Ethereum, be sure to keep it in a safe place and do not lose the private key. Otherwise, your Ethereum could be lost forever.