Based.one is a mobile-first trading platform built on Hyperliquid, offering seamless access to perpetual and spot markets with deep liquidity and advanced trading tools. Users can trade via mobile, web, desktop, or Telegram bot, while leveraging features like automated TP/SL, trailing stops, TWAP orders, and customizable charts. With a Visa spending card linked to crypto balances, Based.one bridges trading and real-world payments.