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Points of Focus
- HTX found no official exchange accounts behind the reported address-poisoning transfers.
- Kraken users reportedly had funds worth up to $4.2 million frozen.
- Even unsolicited transfers as small as 7.5 USDT can trigger exchange compliance checks.
HTX has denied involvement in a series of alleged address-poisoning transfers as reports persist that crypto users have faced compliance reviews and frozen funds at other exchanges, including Kraken.
The exchange, which has operated since 2013, said an internal investigation found no evidence that official HTX accounts initiated the disputed transactions. It suggested that some activity may have originated from users acting independently after their assets were frozen on Kraken.
HTX cited known cases involving funds worth as much as $4.2 million. However, the exact number of affected users and the circumstances behind individual account restrictions remain unclear.
Small transfers trigger compliance concerns
The controversy intensified after users reported receiving unsolicited USDt (USDT) deposits from addresses labeled by blockchain analytics services as connected to HTX.
In one widely shared case, a Coinbase user said an unexpected transfer of 7.5 USDT prompted a source-of-funds review and a warning that the account could be closed.
HTX-Linked Address-Poisoning Reports Persist as Kraken Freezes User Funds of Up to $4.2 Million
HTX-Linked Address-Poisoning Reports Persist as Kraken Freezes User Funds of Up to $4.2 MillionHTX, one of the longest-running major crypto exchanges since its founding in 2013, said… pic.twitter.com/ICjnJRPjEE
— Wu Blockchain (@WuBlockchain) August 20, 2026
The user’s access was reportedly restored after the case was escalated, although Coinbase did not publicly confirm the details.
No verified evidence has emerged showing that the small transfer caused a permanent freeze. A complete list of affected wallets, transaction hashes, and exchange notices has also not been made public, making claims of a coordinated campaign difficult to confirm independently.
HTX challenges wallet attribution
HTX said incorrect wallet labeling could explain why some transfers appeared to originate from the exchange. Blockchain attribution is not always definitive, particularly when funds move through deposit addresses, intermediary wallets, or infrastructure used by multiple customers.
Address poisoning typically involves sending a small transaction from an address designed to resemble one previously used by the target.
HTX is investigating reports of mass “poisoning” transfers.
Tiny USDT deposits showing up in wallets and appearing to come from HTX.
HTX says it didn’t send them and is checking whether wallet labels or on-chain attribution are wrong.
No confirmed victim count or losses yet.… pic.twitter.com/QxW1vC4iti
— Karan Singh Arora (@thisisksa) August 18, 2026
The attacker hopes the recipient will later copy the fraudulent address from their transaction history and mistakenly send it funds.
In this case, however, users fear that unsolicited transfers could also expose recipients to sanctions screening or enhanced due diligence, regardless of whether they interact with the deposited tokens.
Sanctions increase the stakes
The reports come at a sensitive time for HTX-linked transactions. The UK designated Huobi Global S.A. in May over alleged support for Russia’s financial sector, with authorities later stating that HTX falls within the scope of the restrictions because of its ownership links.
An EU transaction ban was also expected to take effect on Aug. 23, increasing the compliance risks surrounding funds attributed to the platform.
Exchanges may temporarily restrict accounts while investigating potentially sanctioned or suspicious transactions, even when the disputed amount is small. The origin of the funds, rather than their value, is typically the central concern.
HTX’s denial leaves key questions unresolved. Until exchanges publish further evidence, it remains uncertain whether the reported transfers reflect coordinated address poisoning, inaccurate wallet labels, or actions by individual users seeking to challenge frozen-fund decisions.
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