According to a recently published report, the decentralized exchange (dex) Uniswap has blocked roughly 253 cryptocurrency addresses allegedly tied to crimes or government sanctions. The information was discovered by the software developer Banteg who analyzed and saved the shared logs from Uniswap’s server.
30 out of the 253 Blocked Addresses Are ENS Domain Names, Uniswap Labels 7 Types of Risk Factor Categories
On August 19, the software developer and Yearn Finance contributor Banteg published a Twitter thread that claims the dex Uniswap blocks 253 crypto addresses. “Uniswap has provided an unusual level of transparency,” Banteg said in regard to “frontend censoring via TRM Labs.” Uniswap partnered with TRM Labs in mid-April and the firm blacklists crypto addresses that may be associated with sanctions and crypto crimes.
The same month, reports appeared that indicated a few innocent Uniswap users were affected by the TRM Labs-gated front end. At the time, no one was sure about exactly how many crypto addresses were blacklisted by Uniswap’s TRM Labs-gated front end. Banteg says there are 253 addresses and 30 addresses are ENS domain names. The developer also noted that there are seven different types of risk factor categories and two risk levels.
“Both ownership and being a counterparty of a ‘bad’ address are checked and can contribute to blocking,” Banteg wrote. According to Banteg, the data “wasn’t meant to be public” but the developer noted that people could still have an “exclusive look at the very first [TRM Labs] leak, courtesy of Uniswap.”
Smart Contracts and Code Are Defi, Not the Web Platforms That Host Them
The news follows the recent U.S. government ban of Tornado Cash, the ethereum mixing protocol that leverages Coinjoin and ZKsnark technology. After Tornado Cash was banned an open source developer was arrested, Github code was erased, Tornado Cash Github codebase contributors were suspended, and the project’s Discord server was deleted.
However, the non-profit that focuses on policy issues facing crypto assets, Coin Center, believes the U.S. Treasury Department’s Office of Foreign Asset Control (OFAC) “overstepped its legal authority.” Coin Center is researching the legalities of the Tornado Cash ban and plans to “engage” with OFAC to discuss the matter.
While Uniswap has been updating its TRM Labs-gated front end, there’s…
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