Japan has added cryptocurrency exchange Garantex to its latest sanctions against Russia, targeting financial activity and crypto networks linked to alleged sanctions evasion.

On October 2, Japan designated 33 entities and nine individuals under its asset-freeze framework. The package also imposes restrictions on 35 vessels associated with Russia’s so-called “shadow fleet.” The measures target financial and support services connected to the ships and are intended to close avenues that could facilitate sanctions violations, according to Japan.

Japan Targets Garantex and Russia’s Shadow Fleet

Garantex now faces Japanese restrictions on payments and capital transactions. Transactions involving designated targets require government permission in Japan, a measure that limits the exchange’s access to the country’s financial channels.

🇯🇵🇷🇺 NEW: Japan sanctions Russian crypto exchange Garantex as part of a new round of measures targeting Russia. The move also covers 32 other entities, 9 individuals and 35 vessels tied to Russia’s “shadow fleet.” U.S. authorities previously said Garantex processed at least $96… pic.twitter.com/F2TDiEWBWl — CryptosRus (@CryptosR_Us) October 4, 2026

Japan announced the decision through its Ministry of Foreign Affairs, Ministry of Finance and Ministry of Economy, Trade and Industry (METI). The ministries described the measures as part of the country’s response to Russia’s war against Ukraine. The new package combines financial and maritime restrictions.

Garantex had previously faced action from the United States and the European Union. The exchange has been charged with facilitating illegal transactions and sanctions violations. Japan’s decision brings another major market under restrictions targeting the platform.

The package also covers 35 ships linked to Russia’s shadow fleet. The vessels are associated with the transportation of Russian crude through international markets. Japan has restricted funding and other services related to the designated ships.

The maritime restrictions include technical assistance, repairs and insurance. Those limitations could make operations more difficult for the affected vessels and form part of broader efforts to reduce Russia’s oil income.

Crypto Networks Face Growing Enforcement Pressure

The action against Garantex reflects the broader challenge of enforcing sanctions across international cryptocurrency networks. Cryptocurrency transactions can move quickly between platforms and jurisdictions, meaning that restrictions on one exchange do not necessarily prevent similar financial activity elsewhere.

Previous blockchain-intelligence reports have identified attempts to relocate activity after enforcement actions. Garantex apparently prepared for earlier restrictions, while some users and infrastructure later shifted to alternative platforms such as Grinex.

The pattern has increased the importance of monitoring connected crypto networks. Authorities can target specific companies, but related services may continue operating. As a result, agencies are increasingly examining transaction networks rather than focusing only on individual platforms.

U.S. authorities have estimated that Garantex facilitated more than $96 billion in cryptocurrency trading since 2019. The estimate covers total activity, and not all of those transactions were necessarily illegal.

Japan’s latest action also points to increased coordination among major economies. The United States, the European Union and Japan have each taken measures against financial channels connected to Russia, and with this designation Garantex has now drawn restrictions from all three.

The development adds to compliance challenges for cryptocurrency companies. Sanctioned entities may face more stringent screening at exchanges, along with stronger requirements for identifying suspicious transactions and indirect exposure to restricted parties.

At the same time, the measures against the shadow fleet show that Japan is targeting both digital and traditional financial channels. Together, the restrictions are intended to put additional pressure on networks that support Russia’s international trade.

Japan’s designation of Garantex therefore forms part of a broader initiative to block financial channels associated with sanctions evasion, rather than representing action against only one cryptocurrency exchange.