Velocity has removed its whitelist and opened the beta of its decentralized exchange (DEX; a platform for peer-to-peer trading) for perpetual futures (derivatives without an expiry date) to all users. The platform supports wBTC, wETH, SOL and USDT as collateral within a single account. Some contracts offer leverage of up to 20 times, and trades are settled on-chain in USDT, PANews reported on Sept. 21.