According to on-chain analyst @ai_9684xtpa analysis, the US government marked the address just transferred about 2 billion dollars worth of BTC to the new address, and the address of about 29,800 bitcoins transferred this time was used to store part of the tokens seized by Silk Road in November 2020 (69369 in total). The last operation was four months ago. This operation may be to sell, or it may just be a regular fund transfer, because there was also a wallet fund transfer operation on April 2, depending on the follow-up situation.