You mean Bank-id på kort? https://sv.wikipedia.org/wiki/Bank-id#Bank-id_på_kort https://sv.wikipedia.org/wiki/Bank-id#Bank-id_på_kort says it only supports MS W

You mean Bank-id på kort? https://sv.wikipedia.org/wiki/Bank-id#Bank-id_på_kort https://sv.wikipedia.org/wiki/Bank-id#Bank-id_på_kort says it only supports MS Windows and MacOS, not Linux. Fundamentally though, that doesn't change the fact that the US can order a Swedish bank to either freeze access to a customer or the bank can no longer do business in the US.