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<p>Tether froze over $514 million USDT across 370 addresses in the past 30 days as its 2025 blacklist swelled to $1.26 billion, underscoring how centralized stablecoins now function as embedded enforcement rails for global regulators and law enforcement.</p>
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 <div class="cn-block-summary__nav tabs"><span>Summary</span>
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   <li>Tether has frozen more than $514 million USDT across 370 addresses in the past 30 days, mostly on Tron.</li>
   <li>BlockSec says Tether blacklisted 4,163 addresses in 2025, freezing a total of $1.26 billion USDT on Ethereum and Tron.</li>
   <li>The growing use of blacklists underscores how centralized stablecoins now operate as de facto enforcement tools embedded in crypto rails.</li>
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<p>Tether has frozen over $514 million worth of USDT in the last 30 days, locking funds across 370 addresses on Ethereum and Tron, according to data cited by&nbsp;<a href="https://cointelegraph.com/news/tether-freezes-over-500m-usdt-30-days-blocksec-data-show" rel="noopener noreferrer nofollow">Cointelegraph</a>.</p>
<p>BlockSec’s&nbsp;<a href="https://www.wublockchain.xyz/news/tether-blacklisted-371-addresses-blocksec-usdt-freeze-tracker-may-7-2026-19048" rel="noopener noreferrer nofollow">USDT Freeze Tracker</a>&nbsp;shows that about $506 million of the frozen tokens sit on Tron and roughly $8.73 million on Ethereum, once again highlighting Tron’s central role in USDT flows.</p>
<p>Separately, BlockSec’s on-chain report, titled “<a href="https://blocksec.com/blog/1-26-billion-frozen-usdt-blacklisting-on-ethereum-and-tron-in-2025" rel="noopener noreferrer nofollow">$1.26 Billion Frozen: USDT Blacklisting on Ethereum and Tron in 2025</a>,” found that Tether blacklisted 4,163 unique addresses last year, freezing a cumulative $1.26 billion in USDT and permanently destroying more than half of it via its&nbsp;<code>destroyBlackFunds</code>&nbsp;function.</p>
<h2 class="wp-block-heading" id="how-tethers-blacklists-work-at-scale">How Tether’s blacklists work at scale</h2>
<p>BlockSec’s researchers write that “USDT can be frozen. Yes, yours,” noting that in 2025 alone Tether froze $1.26 billion “across 4,163 addresses,” with only 3.6% of those wallets later being unfrozen.</p>
<p>Their analysis finds that $698 million of the frozen USDT was burned, reducing outstanding supply, while the rest remained locked indefinitely or was later moved under law‑enforcement direction.</p>
<p>A follow‑up blog, “<a href="https://blocksec.com/blog/following-the-frozen-an-on-chain-analysis-of-usdt-blacklisting-and-its-links-to-terrorist-financing" rel="noopener noreferrer nofollow">Following the Frozen</a>,” and a companion&nbsp;<a href="https://www.linkedin.com/posts/blocksec_usdt-blacklisting-on-ethereum-and-tron-in-activity-7425357574293688320-1wjO" rel="noopener noreferrer nofollow">LinkedIn</a>&nbsp;post identify three main triggers for blacklisting: direct requests from agencies such as the FBI, Europol and local police; automated blocking of wallets tied to U.S. sanctions lists; and proactive investigations by Tether’s T3 Financial Crime Unit, established with Tron and TRM Labs.</p>
<p>The report links multiple frozen addresses to large‑scale fraud schemes, pig‑butchering operations, darknet markets and wallets associated with terrorist finance, including entities designated by the U.S. Treasury.</p>
<p>Tether itself has publicly emphasized this enforcement role. In April, the company announced that it had “supported the freeze of more than $344 million in USDT” across two Tron wallets “in coordination with OFAC and U.S. law enforcement,” calling it “one of the largest such actions in the company’s history” in an official&nbsp;<a href="https://tether.io/news/tether-supports-freeze-of-more-than-344-million-in-usdt-in-coordination-with-ofac-and-u-s-law-enforcement" rel="noopener noreferrer nofollow">statement</a>.</p>
<p>That followed a January move in which Tether froze roughly $182 million USDT on Tron in what Yahoo Finance described as a “massive coordinated action” against five wallets flagged by U.S. agencies, according to a&nbsp;<a href="https://finance.yahoo.com/news/tether-freezes-182m-tron-massive-140544210.html" rel="noopener noreferrer nofollow">report</a>&nbsp;that drew on company statements and on-chain forensics.</p>
<h2 class="wp-block-heading" id="centralized-stablecoins-as-enforcement-rails-for-c">Centralized stablecoins as enforcement rails for crypto</h2>
<p>Looking beyond any single freeze, the numbers are now system‑level. From 2023 through 2025, Tether froze more than $3.29 billion worth of USDT across 7,268 addresses, with Reuters recently reporting that the firm has now frozen about $4.2 billion over its lifetime “linked to crime, sanctions and other illicit activity,” citing company disclosures in a&nbsp;<a href="https://www.reuters.com/sustainability/boards-policy-regulation/tether-says-it-has-frozen-42-billion-its-stablecoin-over-crime-l-2026-02-27" rel="noopener noreferrer nofollow">story</a>.</p>
<p>Read more: <a href="https://crypto.news/cardano-price-rebounds-after-trendline-breakout-can-bulls-push-ada-past-0-30/" rel="noopener noreferrer nofollow"> Cardano price rebounds after trendline breakout, can bulls push ADA past $0.30? </a></p>
<p>Crypto.news has tracked how this enforcement capability shapes the broader market. A recent&nbsp;<a href="https://crypto.news/tether-freezes-344m-in-usdt-as-regulators-turn-up-heat/" rel="noopener noreferrer nofollow">story</a>&nbsp;on Tether’s $344 million Tron freeze noted that USDT’s compliance layer has become “a de facto extension of Western financial sanctions,” while another&nbsp;<a href="https://crypto.news/stablecoins-under-scrutiny-as-tether-and-circle-step-up-freezes/" rel="noopener noreferrer nofollow">story</a>&nbsp;on stablecoin enforcement detailed how both Tether and Circle have accelerated blacklisting as regulators scrutinize how dollar tokens move through DeFi and centralized exchanges.</p>
<p>For traders and builders, the lesson is blunt. Centralized stablecoins like&nbsp;<a href="https://crypto.news/market-cap/tether/" rel="noopener noreferrer nofollow">USDT</a>&nbsp;are not neutral settlement assets; they carry embedded kill switches that can and do get flipped at scale, often in coordination with law‑enforcement and sanctions authorities.</p>
<p>That reality is already reshaping design choices across the market, from protocols experimenting with overcollateralized, on‑chain alternatives to exchanges bolstering wallet screening and travel‑rule compliance to avoid waking up one day and discovering that millions of dollars in user deposits have been blacklisted — and, in many cases, will never come back.</p>
<p>Read more: <a href="https://crypto.news/pi-network-price-prediction-pi-hovers-near-0-19-as-unlocks-and-weak-demand-cap-upside/" rel="noopener noreferrer nofollow"> Pi Network price prediction: PI hovers near $0.19 as unlocks and weak demand cap upside </a></p>

Tether froze over $500M USDT in 30 days as blacklist total hit $1.26B in 2025

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