Analysis

What Percentage of USDT Is Actually Used for Crime? The Data Says Less Than You Think.

There are two statistics from Chainalysis that get quoted constantly in stablecoin regulation debates. The first: stablecoins now account for 84% of all illicit crypto transaction volume. The second: illicit activity remains below 1% of total cryptocurrency volume. Both figures come from the same Chainalysis report (the 2026 Crypto Crime Report, published January 2026). Both are accurate. And they appear to contradict each other until you understand what each one is actually measuring. The first says: when criminals use crypto, they mostly use stablecoins. The second says: when people use crypto, criminals are less than 1% of them. These are not the same claim. Confusing them is how you get headlines like 'USDT is the currency of crime' sitting alongside data showing that 99%+ of stablecoin transactions are legitimate. If you are a journalist covering stablecoin regulation, a policymaker evaluating risk, or a USDT user who has been told their money is dirty, this article unpacks what the Chainalysis data actually says and what it leaves out.

The Two Statistics Everyone Confuses

The Chainalysis 2026 Crypto Crime Report (covering 2025 data) provides both figures:

84%
of illicit crypto volume
involves stablecoins
This measures: what tools criminals choose
<1%
of total crypto volume
is illicit
This measures: what share of all activity is criminal

When a regulator reads "84% of crypto crime uses stablecoins," they hear: stablecoins are a crime tool. When they read "below 1% illicit," they hear: crypto is mostly clean. Both readings are incomplete. The full picture requires understanding both numbers together.

What 84% Actually Means

In 2025, Chainalysis tracked $154 billion in illicit cryptocurrency volume. Of that, 84% involved stablecoins (up from 63% in 2024). This sounds alarming until you note the reason: stablecoins have become the dominant asset class in crypto overall, not just in crime.

As the report explains, stablecoins now occupy a growing percentage of all crypto activity due to their practical benefits: cross-border transferability, low volatility, and broad utility. When a currency becomes the default medium of exchange for an entire ecosystem, it naturally becomes the default for both legitimate and illegitimate uses.

The US dollar is used in the majority of global money laundering. Nobody concludes that the dollar is "a crime currency." The dominance of dollars in crime reflects the dominance of dollars in commerce. The same logic applies to stablecoins.

What "Below 1%" Actually Means

Total cryptocurrency transaction volume in 2025 was measured in the tens of trillions of dollars (Tron alone processed over $7 trillion in USDT volume). Illicit volume at $154 billion represents less than 1% of that total. Chainalysis is explicit: "these illicit volumes are still dwarfed by the broader crypto economy, which largely consists of legitimate transaction volumes."

For comparison, the United Nations Office on Drugs and Crime estimates that 2-5% of global GDP ($2-5 trillion annually) is laundered through the traditional financial system. By that measure, cryptocurrency's illicit percentage is substantially lower than the traditional banking system's.

This does not mean crypto crime is not a problem. $154 billion is a large number. But the narrative that stablecoins are "primarily used for crime" is contradicted by the data from the very firm most often cited to support that narrative.

The Russia Distortion

The 2025 illicit volume of $154 billion represents a 162% increase over 2024. This sounds like crypto crime is exploding. But Chainalysis is clear about what drove the increase: a single asset launched by a single government.

Russia's ruble-backed A7A5 stablecoin, launched in February 2025, processed $93.3 billion in transactions in under a year. This was a state-sponsored sanctions evasion tool, sanctioned by both the US (August 2025) and the EU (October 2025). It alone accounts for more than 60% of the total illicit volume increase.

Remove Russia's A7A5 from the data and the "162% increase" becomes a much more modest rise, driven primarily by North Korean theft ($2 billion, predominantly the Bybit hack) and Chinese money laundering networks.

This matters for policy. The $154 billion headline makes it sound like everyday stablecoin users are part of a crime wave. The reality is that the spike was driven overwhelmingly by nation-state sanctions evasion, which is a geopolitical problem, not a consumer payment problem. Regulating USDT remittances in Nigeria based on Russian government sanctions evasion data is a category error.

The Freezing Paradox

Here is the part that most crime-focused coverage omits: USDT is actually easier for law enforcement to seize than Bitcoin.

Tether has the ability to freeze any USDT address at the smart contract level. Once frozen, the funds cannot be moved. As of 2025, Tether had blacklisted over 7,268 wallets connected to scams, terrorist financing, and sanctions evasion. When law enforcement identifies an illicit address, they contact Tether, and the funds are locked.

Bitcoin has no such mechanism. Once BTC is in a criminal's wallet, recovering it requires either the private key or a law enforcement seizure of the device holding it. USDT can be frozen remotely, instantly, by a single entity.

This creates what Chainalysis calls a paradox: criminals increasingly use stablecoins for their stability and liquidity, but stablecoins are simultaneously the easiest crypto asset for law enforcement to freeze. Chainalysis notes that nearly 95% of stablecoin balances in illicit wallets are drained within 90 days, partly because criminals know the freezing risk and move funds quickly.

The Context Nobody Provides

When a journalist writes about stablecoin crime, they typically cite the 84% figure and move on. Here is the context that belongs in the same paragraph:

USDT's primary use is payments and remittances. Tether CEO Paolo Ardoino has stated that 63% of USDT transactions involve only USDT (pure peer-to-peer value transfer). In 2025, Tron processed 825 million USDT transfers (CryptoQuant). The vast majority were under $1,000 (CoinDesk Q3 report: Tron held a 65% share of global retail stablecoin transfers). These are ordinary people sending money, not criminals laundering proceeds.

Traditional finance has a worse ratio. The UN estimates 2-5% of global GDP flows through money laundering channels in the traditional banking system. Major banks have paid over $350 billion in fines for compliance failures since 2000. Crypto's sub-1% illicit rate, while not zero, compares favourably to the system it is sometimes proposed to replace.

The biggest crypto crime category is sanctions evasion, not consumer fraud. The 2025 data is dominated by nation-state actors (Russia, North Korea, Iran). These are geopolitical actors using purpose-built infrastructure, not users of consumer stablecoin wallets. Conflating the two produces bad policy.

The data does not say USDT is clean. It says USDT is used overwhelmingly for legitimate purposes, with a criminal margin that is measurably smaller than the equivalent margin in traditional banking. Any honest discussion of stablecoin regulation should start from that baseline, not from a headline statistic designed to alarm.

▸ Sources

Chainalysis 2026 Crypto Crime Report — $154B illicit volume, below 1%, 84% stablecoins

Chainalysis 2025 Crypto Crime Report — 63% stablecoins (2024 data), Tether freezing

The Block — detailed 2025 breakdown, Russia A7A5 analysis

Blockhead — sanctions evasion 694% increase, A7A5 $93.3B

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FAQ

What percentage of USDT transactions are illegal?
Chainalysis estimates that illicit activity accounts for below 1% of all cryptocurrency transaction volume. This figure includes all crypto assets, not just USDT. Stablecoins (including USDT) account for 84% of illicit crypto transactions, but since total illicit volume is below 1% of all crypto activity, that means less than 0.84% of all crypto activity is illicit stablecoin use. The vast majority of USDT transactions are legitimate remittances, P2P payments, trading, and savings.
Why do criminals prefer stablecoins?
For the same reasons legitimate users prefer them: stability, liquidity, and broad acceptance. Stablecoins hold their value (unlike volatile BTC), are accepted on every exchange and P2P platform, and are easy to move cross-border. Chainalysis notes this mirrors the broader ecosystem trend where stablecoins dominate all crypto activity, not just illicit activity.
Can Tether freeze criminal USDT?
Yes. Tether has proactively frozen addresses connected to scams, terrorist financing, and sanctions evasion. As of 2025, Tether has blacklisted over 7,268 wallets. This is a significant advantage for law enforcement: unlike Bitcoin, USDT can be frozen at the contract level, making it paradoxically easier to seize than decentralized assets.
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