The illegal crypto activity has unexpectedly surged in 2025 as sanctioned nation capitals and bodies have used blockchain networks to avoid financial restrictions, as per the 8th January report of Chainalysis.
In 2025, the overall illegal crypto addresses accumulated around $154 billion, showing a 162% increase from $59 billion in 2024, as per the report. The increase was mainly influenced by sanctioned bodies moving funds on-chain at scale.
Chainalysis reported that 2025 was a turning point, mentioning unprecedented volumes linked with the on-chain behaviour of nation-states and referring to it as the recent phase in the evolution of the illegal crypto ecosystem.
The firm further highlighted that the scale and coordination of activity were not similar to previous years, showing increasing sophistication among sanctioned actors. Russia, which has experienced extensive international sanctions since its capturing of Ukraine, came up as a major contributor to the increase.
In February last year, the country introduced a ruble-supported token named A7A5. The token generated over $93.3 billion in transactions in less than one year, the report mentions. The growth of sanctions over the world has accelerated pressure on sanctioned parties to look for an alternative payment system.
The Increased Activity
The Global Sanctions Inflation Index approximated in May that around 80,000 bodies and individuals were under sanctions over the globe. Research from the Center for a New American Security stated that the US introduced 3,135 more bodies to its Specially Designated Nationals and Blocked Persons List in 2024, the highest annual total on record.
Stablecoins accounted for about 84% of all illegal transaction volume last year, Chainalysis reported. The company accredited their prevalence to price stability, easy cross-border transfers, and widespread liquidity, highlighting that the same features influencing legitimate adoption have also captivated sanctioned users.
Regardless of the sharp increase in illegal volumes, criminal activity is still a small fraction of the total crypto economy. Illegal transactions are still 1% less as compared to overall on-chain activity; however, their share increased comparatively year over year.
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