Ether is the native cryptocurrency on the Ethereum network, usually abbreviated as ETH, which is also its stock code.
You need ETH to pay for your transactions with blockchain and items you purchased.
Add ETH via your wallet
Depending on your wallet provider, ETH is also likely to be provided in your wallet.
Please refer to the following instructions on how to buy ETH in MetaMask.
Please remember all transactions on the Ethereum blockchain require gas fees. You will need enough ETH to complete your transactions on Coinstore NFT Market Place.