Definition ∞ Proof of attribution is a cryptographic or procedural method used to definitively verify the origin, authorship, or ownership of a digital asset or data point on a blockchain. This mechanism provides verifiable evidence of who created or possesses a specific digital item or information. It ensures authenticity and accountability in decentralized systems.
Context ∞ Proof of attribution is a key concept in news related to non-fungible tokens (NFTs), digital rights management, and intellectual property on blockchains. It helps clarify ownership and usage rights in the digital realm, addressing challenges of authenticity and copyright in a decentralized environment.