And then there was the marriage of IP and blockchain/bitcoin

Kodak’s plan is to use the Ethereum blockchain to build a digital rights
management platform for photographs. Photographers will register their
photos on the KodakOne platform and buyers will purchase rights using the
KodakCoin cryptocurrency.
The platform will provide cryptographic proof of ownership and monitor the
web for infringement, offering an easy payment system for infringers to
legitimise their use of photographs.

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