币安链BSC上NFT发行教程——NFT元数据模板，支持上线opensea并交易【pdf+视频BSC链NFT发行教程下载】

NFT作品铸造时需要通过tokenURI来指定元数据信息，而元数据通常是json格式是字符串。其中包括nft的相关属性：名称、简介、图片链接、扩展url外部链接等。

如下是NFT元数据模板，支持opensea直接上线并交易。

{
  "name": "Dave Starbelly",
  "description": "Friendly OpenSea Creature that enjoys long swims in the ocean.", 
  "external_url": "https://openseacreatures.io/3", 
  "image": "https://ipfs.io/ipfs/QmxxxJfgNXCxxxxEm7xA9a3jr5xbZmRxxxB8xR6xx1KZbnxDdxxx", 
  "attributes": [
    {
      "trait_type": "Base", 
      "value": "Starfish"
    }, 
    {
      "trait_type": "Eyes", 
      "value": "Big"
    }, 
    {
      "trait_type": "Mouth", 
      "value": "Surprised"
    }, 
    {
      "trait_type": "Level", 
      "value": 5
    }, 
    {
      "trait_type": "Stamina", 
      "value": 1.4
    }, 
    {
      "trait_type": "Personality", 
      "value": "Sad"
    }, 
    {
      "display_type": "boost_number", 
      "trait_type": "Aqua Power", 
      "value": 40
    }, 
    {
      "display_type": "boost_percentage", 
      "trait_type": "Stamina Increase", 
      "value": 10
    }, 
    {
      "display_type": "number", 
      "trait_type": "Generation", 
      "value": 2
    }
  ]
}