UNI · 2026-10-30 13:38 UTC

How TJAR Works: Uniswap's Onchain Fee Conversion System

Uniswap introduced TJAR, an onchain fee conversion system that allows protocols to convert accumulated mixed tokens into a single chosen token through an open market mechanism. Searchers compete to exchange a fixed amount of the chosen token for assets in the Token Jar, with the destination token configurable for treasury, burning, or bridging. TJAR has been audited by OpenZeppelin and is already deployed across multiple chains, with Robinhood using it to receive trading fees in USDC and USDG.

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