SWIFT ban against Russian banks
The SWIFT ban against some Russian banks is one of several international sanctions against Russia imposed by the European Union and other western countries as a result of its invasion of Ukraine, aimed at weakening the country's economy to end the invasion by hindering Russian access to the SWIFT financial transaction processing system. == Background == SWIFT is used by thousands of financial institutions in more than 200 countries, previously including Russia, and provides a secure messaging system to facilitate cross-border money transfers.
Source: Wikipedia — SWIFT ban against Russian banks (CC BY-SA 4.0)