【A 0.2% transaction tax nearly turned DeFi into a traditional brokerage】

$UNI swap, a16z, and the DeFi Education Fund jointly filed an objection with the Illinois Department of Revenue, targeting a 0.2% digital asset tax. Under the proposal, the tax would be calculated not on platform fees, but on the value of the assets involved in each transaction. It was originally scheduled to take effect on January 1, 2027.

The draft could require DEXs to identify users, determine where they are located, calculate taxes, and file returns—and might even involve keeping records of private keys. The problem is that protocols like Uniswap generally don’t custody users’ assets or know who is behind a wallet. Forcing them into the compliance framework designed for traditional brokerages could ultimately drive their front ends out of the state, pushing users to other platforms.

The dispute is no longer just about paying a little less tax: the industry is also demanding an explicit exemption for transfers between users’ own wallets and cross-chain activity, so that assets aren’t taxed just for being moved elsewhere. Industry groups are also challenging the law in court, and its implementation has been postponed until July 2027. What really matters this time is whether U.S. regulators are willing to recognize that software running smart contracts is not the same as a financial intermediary that manages money on users’ behalf.

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