Consensus Networks Benefits: Blockchain Security

Posted by Mitchell Krum on 11/27/18 11:28 AM

The high level of security inherent in blockchain technology lies in its connection to other data blocks, cryptography, and distributed nature. A blockchain is a chain of digital “blocks” that contain records of transactions for any type of asset. In order to make updates to a particular piece of data, the owner of that data must add a new block on top of the previous block, creating a specific chain of code. If anything, even as small as a letter, gets altered from how it appears in a previous block, the entire chain across the network is also changed accordingly. This means that every single alteration or change to any piece of data is tracked and all data is permanently kept because users can always look at previous versions of a block to identify what is different in the latest version. This form of record keeping makes it easy for the system to detect blocks that have false data, which prevents loss, damage, and corruption. This also makes it extremely difficult for hackers to tamper with a single block. To tamper with one record, the hacker would have to change the block containing the record and all those linked to it and so on all the way down the line.

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Topics: Security

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