Bitmark is a blockchain company focused on establishing digital property rights. Founded in 2014 and based in Taipei, Taiwan, the company built an open-source blockchain protocol that enables individuals and organizations to register, transfer, and verify ownership of digital assets. Bitmark's system creates an immutable chain of provenance for any type of digital property, from personal data to digital art.

The Bitmark protocol assigns unique property titles to digital assets, allowing owners to prove authorship, track ownership history, and transfer rights in a peer-to-peer manner. The company's early work explored applications in personal data ownership, enabling individuals to license their health, location, and social media data on their own terms rather than ceding control to platform operators.

Bitmark collaborated with organizations including the University of California, Berkeley on data autonomy research and partnered with digital art platforms to provide provenance tracking for creative works. The company's vision of digital property rights as a fundamental layer of internet infrastructure predated and anticipated the later NFT movement, though Bitmark's approach emphasized practical ownership and licensing rather than speculative trading.

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