Certifications

"Every great piece of art carries a silent history, yet with a deafening echo; archiving its provenance is how we keep its true voice alive through generations." — Vassilis Athanasiadis, Senior Archival & Provenance Advisor, COA Holdings, LLC

[ 👁️ Visit E-Museum Athanasiadis ]

Academic & Scientific Authentication COA HOLDINGS, LLC relies on rigorous, museum-grade physical and historical certification. Every artwork undergoes exhaustive forensic, scientific, and archival verification under expert supervision to establish undisputed authenticity and provenance before entering our portfolio.

The Bridge to Digital Integrity These physical certificates form the undeniable foundation for our blockchain-backed Digital Product Passports (DPP). By anchoring verified, peer-reviewed physical documentation into immutable digital ledgers, we secure both the physical asset and its digital footprint for eternity.