To buy a cryptocup you will need the following.
* Polygon Matic Tokens - The easiest way to obtain Matic tokens is through Binance then safely transfer them to your Metamask Wallet.
* Digital Wallet - We recommend using Metamask Digital Wallet to mint a Cryptocup NFT.
We recomend using Metamask digital wallet to mint a Cryptocup NFT, it will then be visible in your Opensea.io account. From July 2021 Opensea.io supported Polygon Network without paying transactions fees essentially creating a gas-free marketplace.