This plan is very good, but this can actually provide two sides, can be good or bad results.
If later it can be made firm and carried out by competent people, it can be ensured that this plan can be realized properly
yhup when it come decentralized they should know how to prevent some bad activities before implementing it as a legal within the country because it's not possible to happen to be honest as it's so easy to used to any crimes and etc, and yes bitcoin is very common when it comes to such reason so it's their consideration to fix what will be the results.