A rare CryptoPunk NFT has been put for sale for $90.5 million. 'CryptoPunk 3100' is one of the nine Alien punks, has a headband and was previously sold for nearly $7.6 million. CryptoPunks, created in 2017 by Larva Labs, are a collection of 10,000 pixelated faces and include humans, zombies, apes and aliens.