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Cryptographic Keys Ensuring Blockchain's Fortification

Updated: Oct 18, 2023

By Jaya Bijoor

Cryptographic keys make blockchains secure. Blockchains issue every user within a network a set of two keys: a public key and a private key. The public key represents their public address or public identification code. When a smart meter communicates with the network, the public key identifies which meter the message is coming from. The grid would also communicate with the corresponding individual smart meter by addressing communication to the private key. But only the individual and its smart meter would know the private key. The individual only uses the private key to sign and authorize transactions and communication from the meter. Only through the individual’s smart meter can any communications from the grid be accessed since the private key corresponds to the public key.

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