On December 21, news reported that Luxembourg passed the "Blockchain Law 4", aimed at making it easier for securities to adopt DLT. This is the country's fourth blockchain law. According to the current DLT securities law, Luxembourg adopts a two-tier concept, including a central account manager, similar to a central securities depository (CSD), but less cumbersome. The second tier involves the account manager, that is, the custodian. EU credit institutions or investment firms or central securities depositories (CSD) can act as control agents. No license is required in Luxembourg, but regulatory authorities (CSSF) must be notified several months in advance.