NFT
Non-Fungible Token
https://t.co/IVKItjSWaK
https://okuranagaimo.blogspot.com/2021/12/nft.html
NFTとメタバースについて思うこと - Software Transactional Memo
@kumagi
https://zenn.dev/hkiridera/articles/23cbeb2752af63
Blockchain
https://okapies.hateblo.jp/entry/2022/01/30/193604
https://zenn.dev/hkiridera/articles/0d3f9e1ec1ecea
ERC-721
https://ethereum.org/ja/developers/docs/standards/tokens/erc-721/
規格