/Docs/S/About/Pitch/Support/DRY_Transacting_v0.md
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In many circumstances, participants will not need to retain all of the details of a transaction. By automating access and using hashes to allow post-hoc verification, Personal Data Stores can make a "DRY" transaction system - where each element of data has a canonical source and all uses of that data consist of copies of the necessary portions that are discarded as soon as no longer needed.