A quick overview of key events on July 22:

Harris actively expressed her stance to strive for the Democratic presidential candidate seat.

Musk changed his "laser eye" avatar on the X platform, which attracted attention.

President Biden announced that he would give up the 2024 re-election campaign, and the political wind suddenly changed.

The Secret Service said "no" to Trump's request for security reinforcements for the rally.

Trump criticized Biden, saying that he was neither suitable for the election nor competent for the duties of the president.

Musk spoke frankly about the change of power, and Trump was not a traditional puppet.

Biden stepped down and supported Harris. Trump responded by calling Harris an easier enemy to defeat.

Crypto policy groups see Biden's withdrawal as an opportunity for the Democratic Party to embrace encryption and blockchain technology.