On April 29, $BTC 4, the first case in the United States to enter state-level strategic reserves with Bitcoin was passed by the legislative body with a high vote of 37 to 19 for the Senate bill, and this state is Arizona. This can be considered a milestone in the official status of Bitcoin, marking significant progress and causing a surge in global cryptocurrency market sentiment. However, we should not be too hasty in our excitement, as this bill is still one step away from final enactment, which is the governor's signature.