GMGN, one of the largest meme coin trading platforms, has launched the public beta of its perpetual trading product, co-founder Haze said. The platform currently supports markets including BTC/USDC, ETH/USDC, SNDK/USDC, SOL/USDC and ZEC/USDC. Liquidity is provided by third-party market makers, with fees set at 0.045% for takers and 0.015% for makers. GMGN also offers a mechanism providing a 3.5% annualized return on account funds and plans to introduce promotional trading credits for perpetuals.