Robert Kiyosaki, renowned author of 'Rich Dad Poor Dad,' has issued a warning about an impending historic financial crash, advising investors to shift their focus from fiat currencies to assets like gold, silver, bitcoin, ethereum, oil, and real estate. Kiyosaki highlighted the industrial value and affordability of silver and ethereum, suggesting they are particularly wise investments. He also criticized traditional retirement accounts for their susceptibility to inflation, while commending President Trump for allowing 401(k) plans to include alternative investments such as cryptocurrencies and gold.