← All EvidenceCrossIlhwan Yum — Cross Ilhwan Yum Joshua Lewis Dratel
Digital Evidence
Wallet files on Mr. Ulbricht's laptop
Yum agreed that wallets can move between computers and addresses can move between wallets. He characterized the principal wallet as cold from August to October 2013 because its last-access date indicated that the bitcoin program had not run during that interval.
About
The questioning tested whether possession of movable wallet files necessarily identified an operator; Yum also relied on an earlier access date when discussing the wallet's status.