According to CoinMeta, U.S. Transportation Secretary Anthony Foxx stated that over the past year, the United States has begun to utilize the initial $12.5 billion in funding allocated by Congress to comprehensively upgrade aviation traffic control infrastructure. Currently, 70% of the communication lines have been upgraded to high-speed fiber optic networks, 25 control towers have been upgraded, the paper-based flight progress bar system has been replaced with an electronic one, 143 control towers are equipped with new ground situational awareness technology, and 469 wireless stations have undergone modernization. Foxx emphasized that efforts are being made to accelerate the construction while ensuring safety, but this work is not yet complete.