
U.S. Treasury Sanctions Xinbi Guarantee, DOJ Restrains $52M in Crypto
The U.S. Treasury designated Xinbi Guarantee, a Chinese-language platform, as a sanctions target for operating a widespread cyber-scam hub that facilitated transactions for criminal networks. The Department of Justice simultaneously restrained over $52 million in cryptocurrency linked to the scheme, with assistance from Tether in freezing stablecoin holdings.
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Treasury Sanctions and DOJ Action
The U.S. Treasury added Xinbi Guarantee to its sanctions list, designating the Chinese-language platform as a financial facilitator for a major cyber-scam network. The DOJ moved in parallel to restrain more than $52 million in cryptocurrency across wallets and online channels connected to the scam operation, according to a Crypto.news report citing a September 11 statement from Tether.
Xinbi Guarantee is accused of providing infrastructure that enabled other criminal networks to operate and profit from scams. The platform's role as an intermediary suggests the operation was not a single scam but a hub that served multiple illicit actors.
Tether's Role in Freezing Assets
Tether said in its statement that the DOJ credited the stablecoin issuer with assisting in the restraint of funds. The company's cooperation indicates that a material portion of the $52 million was held in USDT, Tether's stablecoin. Freezing stablecoin holdings is a common enforcement tool because stablecoins sit on public blockchains, allowing issuers to blacklist specific addresses on request.
Broader Pattern
The action reflects continued U.S. law enforcement focus on cryptocurrency-enabled scams and the infrastructure that supports them. By targeting platforms like Xinbi Guarantee rather than only individual scammers, regulators aim to disrupt the operational backbone of fraud networks.
Why It Matters
For Traders
USDT's freeze functionality remains a compliance tool; Tether's operational model of honoring law enforcement orders is standard but limits unilateral custody assumptions.
For Investors
Enforcement actions targeting scam infrastructure suggest regulators are willing to use existing stablecoin and exchange levers to combat fraud rather than waiting for new legislation.
For Builders
Platforms that integrate stablecoins should assume wallet freezes are possible and plan user communication and compliance workflows accordingly.
This article is for information only and is not financial advice. Read the full disclaimer.






