And they require a $200,000USD deposit to register as an interested party.
Bet KYC will be thorough... from thier official website.

https://www.usmarshals.gov/assets/2018/bitcoinauction/

(https://i.imgur.com/WWKa7N8.jpg)

FOR SALE Approximately 3,813 bitcoins

THIS NOTICE DOES NOT CONSTITUTE AN OFFER TO SELL BUT INVITES INTERESTED PARTIES TO SUBMIT A BID FOR PURCHASE. THE FOLLOWING INFORMATION IS BEING PROVIDED WITHOUT RECOURSE TO THE UNITED STATES OF AMERICA AND THE UNITED STATES MARSHALS SERVICE.

CHECK BACK FREQUENTLY FOR UPDATES