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If we trust the device manufacturer to only sign genuinely recorded videos, couldn't we also trust them to sign the videos with a correct timestamp?
by julvo 7y ago
If we trust the device manufacturer to only sign genuinely recorded videos, couldn't we also trust them to sign the videos with a correct timestamp?
- jsutton 7y agoWhere would manufacturers store and display these timestamps? Would each manufacturer host their own proofs, or share a database together? Who would pay for that, indefinitely? The economic reality is that no one would ever pay the costs for such a ledger of all video timestamps. This is where blockchain is necessary.