Bitcoin/Dogecoin is basically a public ledger. Couldn't the system be set up so that this system of rules did destroy coins during a recession by reducing every

Bitcoin/Dogecoin is basically a public ledger. Couldn't the system be set up so that this system of rules did destroy coins during a recession by reducing everybody's balance? It could probably be gamed very easily by speculators going in and out of the cryptocurrency, but there shouldn't be a technical reason why it can't be done. This is in sharp contrast to traditional currencies: You can't send in the police to confiscate 5% of everyone's dollar bills.