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Blockchain hardware includes different kinds of machines with different recovery value. Mining equipment performed specialized network work. Archive computers may hold ledger copies and related records. One is not automatically the other. Lancers need to identify what they've found before committing transport to a heavy load, and specialists still have to assess its condition when it reaches the city.

The distributed network left copies and equipment across many locations. Some hardware was damaged during the Turning; other machines simply lost power or communication. A disconnected computer can preserve data without proving that a global network is operating.

Archive staff look for readable storage, compatible software and enough context to interpret the contents. Equipment specialists consider energy, cooling and maintenance as well as whether a machine starts. Recovered mining units do not necessarily contain the history a customer wants. Choosing the right hardware for the intended job helps avoid spending a difficult journey on equipment the city cannot yet use.