I often hear these things touted by blockchain advocates: data ownership, supply chain, and "cutting out the middleman" I want to debunk these statements once and for all. Myth #1 Blockchain changes data ownership, giving power back to the consumer Anyone who becomes privy to some data has some ownership of it. Blockchain doesn't change that. If you want to share something with only a few select people you need inherent trust or an NDA. Myth #2 Blockchain can revolutionize supply chain Its a datastore with some cryptographic identity checks and tamper proof guarantees. It can't prove that a package made it from A to B or that it stayed at some ambient temperature IRL. It only records that someone attested to that, not whether its true. An ordinary database will do for an audit trail. Myth #3 It cuts out the Middleman You dont need blockchain to cut the middleman out of indusrty X. Any service trying to do this wants to be the new middleman with lower service fe...