Blockchain invention and use allows you to deal with the relevant issues and it can become an important competitive advantage for the currency that utilizes it.
The theoretical basis for the development of private currencies was developed in 1970s(see,for example,Friedrich A. Hayek, Private Money, 1976),but only now, thanks to blockchain,it is possible to establish effective private currencies,and Golden Currency is the first such project.
https://goldencurrency.world/