Tether freezes over $500M of USDT in 30 days, BlockSec data shows

BlockSec data shows Tether froze over $500 million in USDT across 370 Ethereum and Tron addresses in 30 days, adding to $1.26 billion frozen in 2025 linked to illicit activity.

Tether has frozen more than $514 million in USDT across Ethereum and Tron over the past 30 days, according to onchain data from BlockSec’s USDT Freeze Tracker, highlighting the stablecoin issuer’s growing role in crypto-related enforcement actions.

As of Friday, the tool shows 370 addresses blacklisted in that period, including 328 on Tron and 42 on Ethereum, with about $505.9 million frozen on Tron and $8.73 million on Ethereum.

The figures indicate that most recent enforcement activity is concentrated on Tron and highlight how often the world’s largest stablecoin issuer is intervening onchain to immobilize funds flagged as high-risk or linked to investigations.

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