NFT is bought, sold, traded, and farmed with cryptocurrency tokens (which will be the crypto digital value of the individual digital object. For example, a video of Cardi B would be turned into a digital object and has a crypto value, the video can be bought, and sold only using tokens that the platform accepts. Tokens are run based on coins on the blockchains such as ETH, BTC, and LTC. Most platforms are Ethereum based and only accept ERC20 tokens.