What is a Blockchain?

Merriam-Webster dictionary defines blockchain as,

A digital database containing information (such as records of financial transactions) that can be simultaneously used and shared within a large decentralized, publicly accessible network.

 

6 Types of Attacks on Blockchain

1. 51% Attacks (Sybil Attacks)

2. Double Spending Attacks

3. Routing Attacks

4. Private Key Security Attacks

5. Selfish Mining Attacks

6. Vulnerable Smart Contacts

 

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Documentation: 
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[1] Naman Rastogi, "BlockChain Security Issues", IEEE Dataport, 2021. [Online]. Available: http://dx.doi.org/10.21227/kzr6-de46. Accessed: Feb. 15, 2025.
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Naman Rastogi, 2021. BlockChain Security Issues. Available at: http://dx.doi.org/10.21227/kzr6-de46.
Naman Rastogi. (2021). "BlockChain Security Issues." Web.
1. Naman Rastogi. BlockChain Security Issues [Internet]. IEEE Dataport; 2021. Available from : http://dx.doi.org/10.21227/kzr6-de46
Naman Rastogi. "BlockChain Security Issues." doi: 10.21227/kzr6-de46