But when authorities seized his hard drives, parts of them were encrypted with the program TrueCrypt.

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After exporting Bitcoin private keys from wallet.dat file, data is stored in a TrueCrypt container on three separate flash drives.

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Many observers have suggested defensive techniques that deploy TrueCrypt disk encryption with hidden volume partitions or PGP Whole Disk Encryption rendering the entire computer unbootable thereby making even file time and date stamps unavailable.

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