These PFP projects are extremely popular simply because their proprietors typically showcase the electronic art obtained on their social media marketing profiles (mostly Twitter) as avatars. PFP projects frequently generate as many as 10,000 distinctive art pieces, with Each individual character having its own number of traits with distinct rarities. https://news.nftuloan.com/2022/08/06/nouns-nft-what-is-this-project-that-puts-on-sale-one-nft-per-day/