> ## Content Index
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# Supply Chain Transparency (SCT) Standards
- URL: https://www.adlingo.org/glossary/supply-chain-transparency-standards/
- Published: 2025-01-15T09:25:00.000Z
- Updated: 2025-01-15T09:25:00.000Z
- Description: Industry-agreed protocols and specifications for documenting and sharing information about all participants in programmatic transactions.
- Author: Travis Lusk
- Tags: Programmatic, #glossary, #Import 2026-10-27 17:05

The shared rules for how every participant in the programmatic supply chain is supposed to declare themselves. Ads.txt, sellers.json, and the Supply Chain Object are all outputs of this work. The standards exist. Adoption is uneven. The buyers who actually enforce them tend to find things the others miss.