Everything is a lie now.

How can you trust anything?

The government could audit itself and say that their finances are solid.

The government could hire a private accounting firm to audit the books. Auditors that say government finances are good will be rewarded with a lucrative contract. Auditors that say government finances are poor will be threatened with arrest.

How can you be sure Bitcoin is backed by gold?

Can you trust the Euro if member countries don't obey the rules?

Is the gold market rigged? Would gold prices plunge if there is a way to make synthetic gold?

You could buy physical property like guns and real estate, but what about depreciation or deflation? Thieves and the government could steal property.