As of today, May 24, 2026, every EU-licensed crypto firm is legally prohibited from transacting with any crypto asset service provider established in Russia or Belarus. The same rule blacklists RUBx, the Rosbank-issued ruble stablecoin, and pre-emptively blocks the digital ruble months before Russia’s planned September 2026 CBDC rollout. It is the first time any major jurisdiction has explicitly named and banned a sovereign-issued stablecoin alongside a national CBDC.

The EU Council adopted the 20th sanctions package on April 23, with the crypto measures given a one-month implementation runway that expires this morning. Here is what the rule actually does, why the RUBx blacklist is a regulatory first, who else got named, and what an…