[A Trader Spends Only Around $600 to Buy DOT, Successfully Crosses Chains, and Earns $150,000] Odaily Planet Daily reports that, according to on-chain analyst Ai Yi's monitoring, a trader spent 0.2 ETH ($436) on Ethereum mainnet using Uniswap to purchase 77,000 DOT, then sold them via a CEX for $10,042. Subsequently, the trader spent 1.1 ETH to buy more DOT, experimenting with different liquidity pools to buy low and sell high while attempting various cross-chain methods. Ultimately, the trader successfully crossed chains from the ETH mainnet to the Base network via Hyperbridge, selling 503,000 DOT in one transaction for 68.72 ETH, earning $150,000 in profit.