Ethereum (ETH-USD) climbs 7.0% to $2,756.44, as the cryptocurrency grabs some headlines.For one, GameStop ([[GME]] +12.8%), which saw wild trading earlier in the year during the meme stock frenzy, is building a team for a non-fungible token platform based on ethereum.The address of the GameStop site to recruit engineers, designers and marketers shows that the company has already created a standard token that's used to create NFTs, Coindesk said.Mark Cuban invests in Polygon, a layer 2 ethereum scaling solution, Coindesk reports.As decentralized finance and other projects on Polygon go live, users are increasing their use of the platform to avoid high transaction fees of the ethereum mainnet, says Coindesk's Zack Seward.