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Blockchain only makes sense for Decentralized uses. DMV records, by their very nature, are the epitome of a centralized authority of knowledge. This is a waste of time, money and CO2.

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When I sell my car to you, I sign the back of my title and hand it to you with the keys. When I borrow money to buy a car, that's between me and the bank, also not the DMV. Those are the real epitomes, epitomes of decentralization.

"Some look at was is and say 'NIH' (or an equivalent bureaucracy, the DMV). Others look at what could be and 'tap yes to complete transfer'." -- Not Quite JFK

Not sure how it works in the US, but in India when sell a car, we have to get the registration transferred to the new owner. Till the new owner doesn't get the car transferred to their name, the old owner is legally responsible for anything that happens due to the car.

Also when we borrow money to buy the car, the hypothecation is recorded on car's registration certificate and ownership records. When the loan is repaid, we have to get it removed by submitting closure documents to authorities.

So like a property transaction, change of title also needs to be recorded in official records.

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