Ethereum gas prices more than doubled from Tuesday to Wednesday and are on track to double again today, per data from blockchain explorer Etherscan. Much of the cause for the increase are transfers involving the addresses of centralized stablecoins, Tether and USDC. Tether stablecoin transactions have accumulated the most in fees over the last 24 hours, besting trades on decentralized exchanges Uniswap and 1inch; USDC stablecoin ranks fourth. That's notable because, for much of the last year, NFT marketplace OpenSea has consistently ranked as one of the top two Ethereum "gas guzzlers." Gas, measured in "gwei," ... (full story)