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Digital Evidence
Wallet file from the defendant's laptop that Kiernan supplied to Yum on a thumb drive, containing private keys used for the government seizure
Yum testified that the wallet file came from the laptop seized from the defendant at arrest. He explained that its private keys allowed him to send the bitcoins to the government address.
About
The wallet's private keys enabled Yum to transfer approximately 144,000 bitcoins to a separate government seizure address.