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Intro about Block Chain

Cryptographic splitting, also known as cryptographic bit splitting or cryptographic data splitting, is a technique for securing data over a computer network. The technique involves encrypting data, splitting the encrypted data into smaller data units, distributing those smaller units to different storage locations, and then further encrypting the data at its new location. With this process, the data is protected from security because even if an intruder is able to retrieve and decrypt one data unit, the information would be useless unless it can be combined with decrypted data units from the other locations.

Blockchain

A blockchain is a continuously growing list of records, called blocks, which are linked and secured using cryptography. Each block typically contains a cryptographic hash of the previous block, a timestamp and transaction data. By design, a blockchain is inherently resistant to modification of the data. It is “an open, distributed ledger that can record transactions between two parties efficiently and in a verifiable and permanent way”. For use as a distributed ledger, a blockchain is typically managed by a peer-to-peer network collectively adhering to a protocol for inter-node communication and validating new blocks. Once recorded, the data in any given block cannot be altered retroactively without the alteration of all subsequent blocks, which requires collusion of the network majority.

Blockchains are secure by design. Decentralized consensus has therefore been achieved with a blockchain. This makes blockchains potentially suitable for the recording of events, medical records, and other records management activities, such as identity management, transaction processing, documenting provenance, food traceability or voting.

Blockchain was invented by Satoshi Nakamoto in 2008 for use in the cryptocurrency bitcoin, as its public transaction ledger. The invention of the blockchain for bitcoin made it the first digital currency to solve the double-spending problem without the need of a trusted authority or central server. The bitcoin design has been the inspiration for other applications.

Required Videos

https://www.integrigy.com/security-resources/thrifty-dba-does-database-security

https://www.youtube.com/watch?v=XRA1XgnYL7Q

https://www.youtube.com/watch?v=1OGwOeQ6png

https://www.youtube.com/watch?v=xe7KIq7O8jg

https://www.youtube.com/watch?v=8iamgFEanZ8

(careful: contains bad language and bad humor)

https://www.youtube.com/watch?v=EBFXgy4eyC4

https://www.youtube.com/watch?v=XVS6bh2P2MQ

https://www.youtube.com/watch?v=KP_hGPQVLpA

Discuss in 500 words or more the use of blockchain for the protection of one of medical, financial, or educational records.

Use at least three sources. Include at least 3 quotes from your sources enclosed in quotation marks and cited in-line by reference to your reference list. Cite your sources. Do not copy. Write in essay format not in bulleted, numbered or other list format.

Cite your sources in-line and at the end. Provide a URL for your citations. Write in essay format not in bulleted, numbered or other list format.

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