On a blockchain, many people can write entries into a record of information, and a community of users can control how the record of information is amended and updated. Distinctly blockchain technology has a backbone unlike most distributed networks today. 

In the case of a blockchain, every node in the network is coming to the same conclusion, each updating the record independently, with the most popular record becoming the de-facto official record in lieu of there being a master copy.

 

Transactions are broadcast, and every node is creating their own updated version of events.

It is this difference that makes blockchain technology so useful – It represents an innovation in information registration and distribution that eliminates the need for a trusted party to facilitate digital relationships.

Yet, blockchain technology, for all its merits, is not a new technology.

Rather, it is a combination of proven technologies applied in a new way. It was the particular orchestration of three technologies (the Internet, private key cryptography and a protocol governing incentivization) that made bitcoin creator Satoshi Nakamoto’s idea so useful.

Blockchains are built from three technologies: Private Key Cryptography, P2P Network,  and Program (the blockchain's protocol).

The result is a system for digital interactions that does not need a trusted third party. The work of securing digital relationships is implicit — supplied by the elegant, simple, yet robust network architecture of blockchain technology itself.

 

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