Uniswap launches TJAR fee tool, but only fast searchers capture the hidden arbitrage profit

Uniswap outlined on Oct. 30 how its Token Jar (TJAR) fee converter lets outside traders buy accumulated fee tokens for a fixed payment. Uniswap opened TJAR to other apps on Oct. 29 , saying Robinhood already uses the system for fees collected through the Uniswap API across its supported chains and receives USDC and USDG. Those stablecoin receipts come from traders known as searchers, who exchange the required payment for fee assets held in an on-chain Token Jar. The arrangement sends the chosen token to a configured destination while leaving searchers to assess whether the assets are worth taking. A Token Jar holds incoming assets, while a Releaser contract specifies the payment token, amount, and destination. The app’s operator chooses those terms.

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