What specifically requires declaration? Is it every address generated by the wallet, or just the transactions?

In Russia, for example, miners must declare the addresses used for receiving mining rewards. They are prohibited from receiving funds on other addresses, which simplifies income control.

But regular users in Russia must declare specific cryptocurrency amounts as personal property in advance to receive judicial protection. This is the only way the crypto is considered legally owned by an individual.

And why are the French Communists proposing this declaration? What's their rationale?