Chain Catcher news, the Ethereum-based NFT project Cool Cats tweeted that it will release a new rarity standard next week, and Cool Pets will follow up later. It is reported that Cool Cats is one of the first NFT projects to join OpenSea's NFT rarity open standard OpenRarity, which aims to provide a transparent and mathematically sound rarity calculation, making the calculation completely open source to ensure fairness and transparency. Developers can access OpenRarity scores and rankings through an API.According to data from NFTGo.io, as of now, the total trading volume of Cool Cats has exceeded $350 million, with a market cap close to $150 million. The current floor price is 2.49 ETH, with a 24-hour increase of 30.95%. (Source link)