Non Fungible Token, it is basically an unique certificate of ownership traceable on the blockchain, when buying one you became the one and only owner of this.

Well, I hate paying fees, so We only use Polygon network, which is a network with minimum gas fees, the best thing is that OpenSea pays for all Polygon fees.

Its free, you can get some by being part of our community and many others, join Freezerverse server for more info.