David Sacks, the US "Crypto Tsar," has sparked controversy over his tenure, raising questions about potential violations. David Sacks, the US "Crypto Tsar," has recently been embroiled in a controversy over his tenure limits. A group of US lawmakers, led by Senator Elizabeth Warren, has questioned whether he violated federal regulations. Sacks, as the White House special adviser on artificial intelligence and cryptocurrency, serves as a "Special Government Employee" (SGE), which by law limits him to no more than 130 days of work per year. Since President Trump took office on January 20th of this year, he has accumulated 167 workdays. This means Sacks must take at least 37 days of leave to meet the legal limit of 130 days. Lawmakers have called on Sacks to publicly disclose the number of days he has served to clarify whether he has exceeded the limit. In response to these questions, a spokesperson for Sacks stated that he has "carefully managed his tenure" to ensure that his workdays remain within the limit, and emphasized that they should not be counted as consecutive workdays. The spokesperson also stated that Sacks strictly adhered to ethical standards and did not exceed legal limits. This controversy is not the first time Sacks has faced congressional scrutiny. In March of this year, Warren raised questions about his potential conflicts of interest in the cryptocurrency sector, demanding he prove he had divested himself of his personal digital asset holdings. When Sacks was appointed to his current position in December 2024, there were industry expectations that he would promote cryptocurrency-friendly policies. However, the controversy surrounding the legality and ethical risks of his tenure may affect the formulation and implementation of relevant policies. The matter is still developing, and the White House has not yet issued an official comment. Market and policy observers are closely monitoring the subsequent developments of this matter and its potential impact on US cryptocurrency regulatory policy. #DavidSacks #TermQuestions