For remixes, mashups & collaborative work, copyright is impossible. Authors/publishers don't recognize co-creations and new artists risk legal action.
Managing copyright is a challenge in the digital world, as there is not a perfect solution for emerging artists who rely on existing works and therefore can never claim the opera as original and get rewards.
There continues to be a problematic identification process of who retains authorship, and copyright, surrounding music and digital media that deploys the use of existing works.
POCRE solves the authorship acknowledgement of materials created by multiple authors, via a novel identification process based on Cardano
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