Once you have purchased the VANGART artwork, you have the option of requesting to be certified with NFT technology. If you have a wallet (digital wallet), we will transfer the NFT associated with your purchase to you within 48 hours of submitting your work. To purchase NFT, you will need a wallet like Metamask, for example with some crypto currency. If you're buying on the Ethereum blockchain, you'll need to buy ETH on platforms like Bitpanda or Binance. I've made a whole list of platforms where you can buy crypto currency here.