Robert Kiyosaki, renowned author of 'Rich Dad Poor Dad,' has announced the addition of Ethereum to his investment portfolio, alongside gold, silver, and Bitcoin. In a post on X dated October 8, 2025, Kiyosaki emphasized that holding U.S. dollars is a losing strategy, highlighting his preference for these assets as a hedge against the dollar's decline. This marks a notable endorsement of Ethereum, which he last mentioned in 2021 and 2024, as all four assets reach new highs.