PoW-Based NFTs in 2021: A Comparison

PoW based NFTs also are mineable NFTs. It is a new form in the NFT market. Since PoW requires energy, this feature adds cost to mining these NFTs, and the visualization has given birth to the "art generated by computing power," similar to the "art generated by algorithms". However, the development of such NFT has just begun. Most PoW NFTs like MoonCat is just formalist PoW. Besides, the mining algorithm and production mechanism of PoW NFT are not fair. Unlike these PoW NFTs, Hacash Diamond's PoW design is very similar to Bitcoin, but it is not on the Ethereum chain.