# Block-Chain Car Titles?

**URL:** <https://community.cartalk.com/t/block-chain-car-titles/195599>\
**Category:** General Discussion\
**Created:** [August 5, 2024, 9:50pm UTC](https://community.cartalk.com/t/block-chain-car-titles/195599 "2024-08-05T21:50:27Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![George\_San\_Jose1](https://avatars.discourse-cdn.com/v4/letter/g/e5b9ba/32.png) [@George\_San\_Jose1](https://community.cartalk.com/u/George_San_Jose1)\
**Post date:** [August 5, 2024, 9:50pm UTC](https://community.cartalk.com/t/block-chain-car-titles/195599/1 "2024-08-05T21:50:27Z")

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Calif DMV is apparently implementing a new type of digital car title called “block-chain”. Is someone here able to offer-up a simple explanation how this works? A summary of its benefits and disadvantages?

[https://www.reuters.com/technology/california-dmv-puts-42-million-car-titles-blockchain-fight-fraud-2024-07-30/](https://www.reuters.com/technology/california-dmv-puts-42-million-car-titles-blockchain-fight-fraud-2024-07-30/)

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**Author:** ![jtsanders](https://avatars.discourse-cdn.com/v4/letter/j/c2a13f/32.png) [@jtsanders](https://community.cartalk.com/u/jtsanders)\
**Post date:** [August 5, 2024, 10:42pm UTC](https://community.cartalk.com/t/block-chain-car-titles/195599/2 "2024-08-05T22:42:52Z")

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Block chain is a security method. It is used by bitcoin to prevent tampering. Here’s an explanation.

> **[Blockchain](https://en.wikipedia.org/wiki/Blockchain)**
>
> A blockchain is a distributed ledger with growing lists of records (blocks) that are securely linked together via cryptographic hashes. Each block contains a cryptographic hash of the previous block, a timestamp, and transaction data (generally represented as a Merkle tree, where data nodes are represented by leaves). Since each block contains information about the previous block, they effectively form a chain (compare linked list data structure), with each additional block linking to Blockcha...

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**Author:** ![George\_San\_Jose1](https://avatars.discourse-cdn.com/v4/letter/g/e5b9ba/32.png) [@George\_San\_Jose1](https://community.cartalk.com/u/George_San_Jose1)\
**Post date:** [August 5, 2024, 10:44pm UTC](https://community.cartalk.com/t/block-chain-car-titles/195599/3 "2024-08-05T22:44:27Z")

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Well that certainly clarifies the situation … lol … just teasing JTS, thanks for the link 🙂

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**Author:** ![MikeInNH](https://avatars.discourse-cdn.com/v4/letter/m/a587f6/32.png) [@MikeInNH](https://community.cartalk.com/u/MikeInNH)\
**Post date:** [August 6, 2024, 3:21am UTC](https://community.cartalk.com/t/block-chain-car-titles/195599/4 "2024-08-06T03:21:10Z")

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Blockchain is a great way to secure documents and fight fraud. In this instance - Car titles. It’s used heavily in Cryptocurrency. Keeps a running encrypted ledger of the data - data in this case is a DMV title.

[A Brief History of Blockchain Technology Everyone Should Read (kriptomat.io)](https://kriptomat.io/blockchain/history-of-blockchain/)