The challenge begins with the launch of the NFT collection, which features 21 types of NFTs representing the seven deadly sins. Each sin is divided into three levels of rarity: 1. Gold Frame 7 sin points. 2. Silver Frame 3 sin points. 3. Bronze Frame 1 sin point. You can accumulate sin points in three ways: 1. Minting NFTs directly from the collection. 2. Buying NFTs on the secondary market. 3. Receiving NFTs as gifts from friends.