On April 21, the cryptocurrency market experienced an unexpected rebound, with BTC and ETH leading the rise. The underlying reason was not traditional positive news, but rather the sudden weakening of the dollar.

Fundamentals: Former U.S. President Trump’s comments on the Federal Reserve's intervention raised concerns about the independence of the Federal Reserve, causing the dollar index to fall to a three-year low.

As risk-averse sentiment increased, gold prices reached new highs, and Bitcoin, as 'digital gold', also gained popularity, with prices rising rapidly.