A system and method for tracking and tracing items that in one aspect comprises generating a group of unique codes, where a unique code is a unique encrypted reference, transferring the group of unique codes to an item marking location, marking {HEAD ~ items} with {TAIL ~ the unique codes} 
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A system and method for tracking and tracing items that in one aspect comprises generating a group of unique codes , where a unique code is a unique encrypted reference , transferring the group of unique codes to an item marking location , marking { HEAD ~ items } with { TAIL ~ the unique codes }
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