On January 22nd, Coinbase director Conor Grogan wrote that there are about 430 BTC in dozens of wallets related to Silk Road founder Ross Ulbricht, which were not confiscated by the US government that year. These wallets have not been transferred for more than 13 years, and may have been regarded as "dust wallets" due to their small amount. At present, the total value of these bitcoins is about 47 million US dollars. If Ross Ulbricht can retrieve the private key, he may regain this part of the assets.