The latest craze to resurface in the effervescent nonfungible token (NFT) scene is a collection of digital pet rocks from 2017 dubbed EtherRocks.On August 8, a single EtherRock sold for a whopping 45 ETH — worth roughly $135,240 at the time.EtherRock #21 purchased for Ξ45 Ether ($135,240.03)30 mins ago (Aug-08-2021 05:17:15 PM +UTC)Txn: https://t.co/1zx7A3jkyS#EtherRock … [Read more...] about Investors are shelling out six figures for pet rock NFTs