Non Fungible Tokens have been in existence for quite a long while, yet since 2020 they are acquiring a high degree of recognition. A 2020 research by NonFungible.com (a site that follows NFT marketplaces and projects) and L’Atelier BNP Paribas indicates the volume of NFTs exchanged in the USA was $250.85 million. This is an insignificant part of the actual NFT coins market yet profoundly appealing to content makers. The ERC-721 standard is the contract base behind the Non-Fungible tokens for ...