UK slaps sanctions on three crypto exchanges over alleged Russia links

Which cryptocurrency exchanges, payment platforms, and individuals did the U.K. sanction?

The sanctions cover several crypto exchanges and payment businesses accused of links to networks that may help Russia avoid financial restrictions. The named exchange-related entities are Xeltox Enterprises, which is behind Cryptomus, Heleket and Certa Payments, and Kyrgyzstan-based TokenSpot.

The payment platforms are Processing KG, which operates VexPay, and Tsunami Payments. The U.K. also sanctioned Ulan Bukabaev, identified as a director of Processing KG. The Foreign Office said two targeted businesses had processed or facilitated transactions involving A7.

The designations form part of 38 new measures linked to Russia’s war in Ukraine. They also reach beyond crypto, targeting oil producers, shadow-fleet tankers, and suppliers of machinery and electronics allegedly connected to missile and drone production. The listed entities face asset freezes and payment restrictions in the U.K.

What is the A7 network, and what is its ruble-pegged A7A5 stablecoin?

A7 is described as a Kremlin-backed network that operates A7A5, a stablecoin pegged to the Russian ruble. A stablecoin is designed to keep its value tied to another currency or asset. Here, the important link is to the ruble and to Russia’s financial system.

The U.K. says A7A5 is allegedly used to bypass financial restrictions imposed on Russia. Two businesses in the latest sanctions package reportedly processed or facilitated transactions involving A7. That connection gave British authorities a reason to target firms beyond exchanges already directly associated with the network.

A7’s claimed scale has drawn attention, but the article also notes that blockchain-data firms have disputed how much A7A5 activity is actually occurring. The U.K., the United States and the European Union have all taken action connected to A7 or related exchanges, showing growing official scrutiny of the network.

How much activity has A7 claimed to handle, and how large is the wider sanctions package?

The most striking figure is A7’s own claim that it moved more than $90 billion last year. The U.K. included that claim in its statement while describing A7 as a Kremlin-backed network operating the ruble-pegged A7A5 stablecoin.

The British package contains 38 new designations. They target three crypto exchanges, payment platforms and an individual, but also include Russian oil producers, 12 shadow-fleet tankers, and suppliers of goods allegedly used in missile and drone production. The measures therefore reach well beyond digital assets.

The $90 billion figure is a claim by A7, not an independently confirmed total in the article. Blockchain-data firms have disputed how much A7A5 activity is actually taking place. The broader trend is clear: Britain and other governments are widening sanctions scrutiny from individual exchanges to the networks and service providers around them.

What happens to the designated companies’ assets and payments connected to the U.K.?

The sanctions freeze assets held in the U.K. by the named entities. This means property and funds within British jurisdiction cannot be freely accessed or moved by those designated companies. The measures apply to the businesses listed in the new package.

British financial institutions are also barred from processing payments to, from or through several of the targeted firms. That restriction attacks the connection between sanctioned platforms and regulated financial services. It can make ordinary transfers, settlement and access to British payment channels unavailable.

These consequences apply within the scope described by the U.K. designations. The article does not say that every asset or payment worldwide is automatically blocked. It does show how sanctions combine asset freezes with financial-sector prohibitions, while broader international action by the United States and European Union can add pressure beyond Britain’s own jurisdiction.

Why does the U.K. believe these crypto and payment businesses may have helped Russia evade financial sanctions?

The central reason is an alleged connection to A7, a Kremlin-backed network operating the ruble-pegged A7A5 stablecoin. The U.K. says A7A5 is used to bypass sanctions on Russia’s financial sector. That makes businesses handling related transactions potential channels for restricted money flows.

Two targeted businesses were said to have processed or facilitated transactions involving A7. The article names Xeltox Enterprises, TokenSpot, Processing KG and Tsunami Payments among the designated entities, but does not identify which two had the A7 connection. The government also cited A7’s claim that it moved more than $90 billion.

The allegation is part of a wider enforcement effort. Britain previously sanctioned Grinex and Garantex, while the U.S. later targeted companies and executives behind the token and exchanges. However, blockchain-data firms have disputed the amount of A7A5 activity, so the scale remains contested.

What other routes or financial networks could Russia use if sanctioned crypto exchanges and payment platforms are blocked?

The article does not specify which alternative routes Russia could use after these businesses are blocked. It does show that sanctions pressure is expanding across exchanges, payment platforms and the network around A7A5. Blocking one group therefore does not automatically identify every possible alternative.

In general, sanctioned actors may try other crypto exchanges, payment providers in different jurisdictions, peer-to-peer brokers, banks outside the sanctioning country, or informal settlement networks. They may also use non-crypto methods, such as intermediaries involved in trade or commodities. These are general possibilities, not routes identified as being used by Russia in this article.

The likely effect is a continuing contest between sanctions authorities and financial networks that adapt or move elsewhere. Britain, the United States and the European Union have already taken related actions. Further coordination could make substitution harder, while disputed blockchain data may complicate assessments of what activity continues.

How can stablecoins and blockchain transactions move money across borders, and why are they difficult for sanctions authorities to control?

A stablecoin is a digital token designed to track an asset or currency. A blockchain records transfers between digital addresses, allowing value to move across borders through internet-connected services. In the article, A7A5 is pegged to the ruble and is allegedly used to bypass restrictions on Russia’s financial sector.

The key mechanism is that a person or business can send tokens to another blockchain address, while exchanges and payment firms can help convert, store or process them. Transfers may therefore involve several jurisdictions and intermediaries. The article says two targeted businesses processed or facilitated A7-related transactions, illustrating the role of service providers.

Sanctions authorities can target exchanges, payment platforms and identifiable companies, as Britain has done. But the article does not explain every technical enforcement challenge. More broadly, blockchain records can support tracing, while cross-border platforms and disputed estimates of A7A5 activity can make it difficult to judge who controls funds and how much activity remains.

Key Facts:

📌 Xeltox Enterprises is behind Cryptomus, Heleket and Certa Payments.

📌 TokenSpot is based in Kyrgyzstan.

📌 Ulan Bukabaev was sanctioned as a Processing KG director.

📌 A7 is described as a Kremlin-backed network.

📌 A7A5 is pegged to the Russian ruble.

📌 The U.K. alleges A7A5 helps bypass financial restrictions.

📌 A7 claimed to have moved more than $90 billion last year.