Blockchain and smart contracts have the potential to disrupt many industries. Use cases can be found in banking, insurance, energy, e-government, telecommunication, music & film industry, the art world, mobility, education, and many more. Smart contract use cases range from simple to complex.
Time-stamping services like ascribe (art registry) or governmental and semi-governmental registries (land titles, birth certificates, birth certificates, school, and university degrees) are examples of simpler technological use cases (the regulatory aspects might be more complex). Decentralized autonomous organizations, on the other hand, are the most complex form of a smart contract. TheDAO in 2016 was an example of such a complex smart contract.
Given that Blockchain is still a new technology, some industries might adopt smart contracts later than others, especially if they are subject to heavy government regulation or use cases requiring high network effects – like widespread technology adoption and supply chain standardization, etc. In general, it’s advisable to start with a small pilot project of a less complex use case to build expertise and understand the technology better and move on to a more complex use case at a later stage.