A stablecoin is a cryptoasset pegged to a traditional currency, most commonly the US dollar. A7A5, launched in January 2025, is pegged to the Russian ruble. It was created by A7 LLC, a Russian firm specializing in cross-border payments for businesses seeking to bypass Western sanctions. Its main shareholders are Ilan Shor, a convicted fraudster sanctioned for interfering in Moldovan elections on behalf of Russia, and Promsvyazbank (PSB), a Russian state-owned bank sanctioned for serving the country’s defense sector. The token is formally issued by Old Vector LLC, a company in Kyrgyzstan, and claims one-to-one backing by ruble deposits likely held at PSB.
Why a ruble stablecoin? Since sanctions cut Russia’s banks off from the Western financial system in 2022, importers and exporters have increasingly settled cross-border payments in cryptocurrency. Their instrument of choice has long been Tether’s USDT, the world’s largest stablecoin. It holds its value at one US dollar, it is accepted by exchanges and brokers everywhere, and it is liquid enough to absorb large payments. For years it has been the workhorse of Russian sanctions evasion.
But for those evading sanctions USDT has one weakness: Tether can freeze it within any wallet, and has repeatedly done so at the request of US authorities. In March 2025 the US Secret Service, assisted by Elliptic, seized the USDT holdings of the Russian exchange Garantex. A7A5 offered a solution: hold value in a ruble token that no Western company controls, and swap into USDT only for the moments a transaction requires. A7A5 functions as a ruble-backed “safe harbor” that allows Russian businesses to access the global liquidity of USDT without prolonged exposure to the risk of freezing.
The collapse, in numbers
For its first year the scheme worked. A7A5 became the largest non-dollar stablecoin, moving over $102 billion across approximately 251,000 transactions. Then the floor gave way. Average daily transaction volumes fell to a low of $24.3 million in June 2026, down 96% from its July 2025 peak.
Figure 1: Monthly A7A5 transaction volumes (USD). July 2026 figure is to 28th July only.
Weak demand for A7A5 is also shown by the lack of any new issuance (“minting”) of the asset since July 2025. For comparison, USDT supply increased by around 14% (~$22 billion) over the same period.
Figure 2: New issuance (“minting”) of A7A5. (Interest payments to A7A5 holders are excluded).
This declining A7A5 activity has likely been caused by three factors: sanctions, Russian cryptoasset regulation and the inaccessibility of exchange venues.
Sanctions made the token radioactive
A7A5 and its supporting infrastructure were sanctioned in three waves by the US, UK and EU over the second half of 2025. On paper, this changes nothing about the token itself. The A7A5 smart contracts still run on the Ethereum and Tron blockchains, and no Western government can turn them off. In practice, the sanctions changed everything, because they took effect at the token’s boundaries: the exchanges where A7A5 is converted into other assets, in particular USDT.
Every blockchain transaction is public and permanent. Blockchain analytics firms such as Elliptic trace the flow of funds from sanctioned entities across those public ledgers, and the world’s major exchanges use these solutions to screen every deposit they receive. Funds that pass through A7A5, even several steps back in the chain, arrive at an exchange carrying a visible history.
From late September 2025 onward, A7A5 users began to report that USDT obtained by swapping A7A5 was being frozen or flagged on receipt at global exchanges. By early 2026, A7A5 users were warning each other against any wallet activity touching the A7A5 ecosystem, including the exchanges Grinex and Meer, on the basis that even indirect exposure would trigger account closures at mainstream exchanges. These exchanges use blockchain analytics solutions, such as those provided by Elliptic, to detect this exposure.
Figure 3: An A7A5 user reports that USDT that had been swapped from A7A5 was blocked by a major exchange, likely due to sanctions concerns.
Sanctions also resulted in the delisting of A7A5 from decentralized trading venues. In November 2025, Uniswap added A7A5 to its list of unsupported tokens, removing it from its website. While the underlying smart contracts continued to support A7A5, this severely hampered accessibility and effectively ended meaningful liquidity on decentralized exchanges.
Russia closed the front door
The second blow came from inside Russia. The Bank of Russia has long opposed cryptoassets circulating domestically, and through late 2025 it tightened controls on the main way ordinary Russians bought A7A5: with a bank card. The official A7A5 website repeatedly suspended purchases via PSB-issued Mir cards, and support staff began steering customers toward brokers and promissory notes instead.
Figure 4: A7A5 announces that A7A5 purchases with MIR cards are unavailable, in January 2026.
On 4 April 2026 Grinex, the primary trading venue for A7A5, announced that account top-ups via bank cards were offline. That was the last bank-card route into the token for most retail users. The steep fall in transaction volumes from early April 2026 followed directly. Sanctions had cut A7A5 off from compliant trading venues downstream – the April outage cut it off from fresh rubles at the source.
The Grinex “hack” drained liquidity
By late 2025, the vast majority of A7A5 trading was taking place on Grinex, the sanctioned, Russia-linked successor to Garantex. On or around 16 April 2026, less than two weeks after the card outage, Grinex announced a major security breach. More than 1 billion rubles (around $15 million) of customer assets were stolen. Grinex blamed a sophisticated nation-state attack. Some observers suspected an exit scam. Either way, the only venue with meaningful A7A5 liquidity had failed, taking customer balances with it.
What A7A5 tells us about sanctions and crypto
A7A5 has not entirely collapsed. The smart contracts still operate and transactions continue at reduced levels. But a stablecoin whose transaction volumes are down 96%, whose issuance has stopped, and whose primary exchange venue has closed, is no longer serving its purpose of enabling Russian individuals and businesses to make cross-border payments despite sanctions. Its fate offers a number of lessons.
Sanctions on stablecoins are effective even when the issuer cannot be coerced. The A7A5 smart contracts remain operational, facilitating transfers and the distribution of interest. Yet the practical addressable market for A7A5 has collapsed because the gateways in and out of USDT, such as exchanges, DEX front-ends and fiat onramps, are themselves subject to compliance pressure when blockchain analytics solutions flag links to sanctioned entities. The token cannot be turned off, but the surrounding network of venues that give it value, can be.
Concentration of liquidity in a small number of compromised venues is fragile. Because it could not be listed directly on major compliant cryptoasset exchange platforms, A7A5 has depended on a small, sanctioned trading ecosystem, dominated by Grinex. The April 2026 security breach, regardless of its true origin, demonstrated that this concentration created a single point of failure that left A7A5 vulnerable.
Sanctions targeting crypto activity are most effective when coordinated across jurisdictions. The US, UK and EU all imposed sanctions on the A7A5 network. Cryptoassets move across borders effortlessly, so a designation in one jurisdiction alone invites workarounds: activity simply shifts to venues serving other markets. Deliberate coordination across jurisdictions closes those gaps and leaves illicit actors with nowhere to route around the restrictions.
Monitoring for indirect sanctions exposure is critical in crypto, and bolsters the impact of sanctions. Exchanges and other virtual asset service providers in the US, EU and UK never handled A7A5 itself. Their exposure was always indirect, in the form of USDT and other cryptoassets that had been obtained with A7A5 somewhere upstream. Detecting that exposure is what made the designations bite. It also sets the bar for compliance: blockchain analytics solutions that cannot reliably identify indirect sanctions exposure in real time are not suitable for sanctions compliance.
The role of blockchain analytics
None of this happens through sanctions designations alone. A designation is a name on a list. What turned the A7A5 listings into frozen deposits and closed accounts is the analytics layer that sits between blockchains and the regulated financial system. Because blockchains are public, firms like Elliptic can map the addresses and flows of sanctioned entities and follow funds through the swaps and intermediary hops meant to obscure their origin. Exchanges and fintechs screen incoming funds against those maps, revealing indirect exposure that would otherwise be invisible. The freezes that A7A5 users complained about in online chats were exactly this system operating as intended.
This also has the second-order effect of deterrence. Long before most users had funds frozen, they were warning each other not to let A7A5 anywhere near their exchange accounts. The perimeter held not just because analytics caught violations, but because users came to assume it would.
The policy lesson is clear. A ruble stablecoin issued from a third country is not, by itself, a viable sanctions-evasion vehicle. Its usefulness depends on liquid counterparties willing to convert it into dollar assets. Those counterparties can be reached by coordinated sanctions, and blockchain analytics is how the reach is enforced. A7A5 was built to be unfreezable, but it turned out that being unfreezable is not enough.
Russia, though, is not done with cryptoassets. Its parliament has just passed sweeping legislation to regulate its cryptoasset market, placing exchanges, brokers and custodians under Bank of Russia supervision. Tellingly, while the law keeps the ban on paying for goods and services with cryptoassets inside Russia, it explicitly permits their use cryptoassets in foreign trade. Most provisions take effect on 1 September 2026. To date, the failure of A7A5 has not persuaded the Russian state to give up on cryptoassets as a cross-border payment rail. Instead, it is building a more organized, state-supervised successor to the improvised infrastructure that has struggled. Sanctions and blockchain analytics are winning the battle against A7A5. We should not assume it can win the war, and must remain vigilant for whatever comes next.
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