Paying the tax to the tax collector is far cheaper than the alternative amount you end up paying to the bailiff when they confiscate all your assets.
Taxation is, ultimately, the only 'reserve' asset there is. And as you can see it is very definitely backed by real assets. All your real assets.
A bank today can give out loans and mortgages without any assets.
https://positivemoney.org/2011/04/monetary-reform-myths-1-10...