CCS339
Anna University
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CCS339, cryptocurrency and blockchain technology
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---2May 2025
- cryptocuBlockchain architecture is commonly described in layers, each responsible for a different function in the system. These layers help modularize the blockchain, making it easier to understand, develop, and scale. Here’s a breakdown of the key layers of blockchain:

1. Network Layer (Infrastructure Layer)
Functirrency and blockchain technology
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$11.49 More Info
yakeshkannan
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Exam (elaborations)
Exam (elaborations) CCS339
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---8May 20252024/2025A+
- 1. Network Layer (Infrastructure Layer) 
Function: This layer handles peer-to-peer communication between nodes. 
 
Components: 
 
Node discovery 
 
Data propagation 
 
Transaction and block distribution 
 
Protocols: Gossip protocol, TCP/IP, etc. 
 
Goal: Ensure decentralized and secure data sharing between participants. 
 
2. Data Layer (Storage Layer) 
Function: Manages how data is structured and stored. 
 
Components: 
 
Ledger structure (block, chain) 
 
Data formats (transactions, headers) ...
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yakeshkannan
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Exam (elaborations)
Exam (elaborations) CCS339 (CCS339)
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---6May 20252024/2025A+
- Memory interfacing involves linking memory with a processor so that the processor can read from and write to the memory correctly using address, data, and control signals. 
 
It ensures: 
 
Proper address decoding 
 
Correct timing 
 
Use of control lines like Read/Write and Chip Select
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$8.99 More Info
yakeshkannan
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Exam (elaborations)
Exam (elaborations) CCS339
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---5May 20252024/2025A+
- X.509 is a standard that defines the format of digital certificates, which are used to verify the identity of individuals, websites, or devices on a network. 
 
Short Definition: 
X.509 is a standard for public key certificates that enable secure communication by verifying identities and encrypting data using public key infrastructure (PKI). 
 
These certificates are commonly used in: 
 
HTTPS (SSL/TLS) for secure websites 
 
Email encryption 
 
Digital signatures
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$8.99 More Info
yakeshkannan