An example operation may include one or more of receiving supply chain states of a plurality of nodes of a supply chain, respectively, where the supply chain states have restricted visibility among the plurality of nodes, determining a modification to a supply chain state of a target node in the supply chain based on a supply chain state of at least one other node in the supply chain, transmitting the determined modification of the supply chain state to the target node, and storing a reason for modifying the supply chain state of the target node via a block included among a hash-linked chain of blocks.
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