Praveen Kumar's contributions

Cryptographic agility is vital for blockchain longevity. Adaptable cryptography ensures security against evolving threats like quantum computing and algorithm obsolescence.

Cryptographic agility is crucial for modern security. Learn how to adapt to evolving threats, broken algorithms, and quantum computing by design. Stay secure!

Explore post-quantum cryptography (PQC) methods like lattice-based and hash-based cryptography to future-proof blockchain against quantum computer threats.

Explore symmetric vs. asymmetric cryptography in blockchain. Understand key differences, use cases, and why asymmetric encryption is vital for blockchain security.

Unlock blockchain security! Learn how public/private key pairs (ECC) enable secure transactions and ownership verification. Protect your private key, protect your funds!

Segregated Witness (SegWit) is one of the most important upgrades in Bitcoin’s history. It solved the problem of transaction malleability, increased block efficiency, and laid the foundation for technologies like the Lightning Network. This article breaks down what SegWit is, how it works, and why it matters.

Transaction malleability is a long-standing issue in blockchain networks like Bitcoin, where attackers can modify transaction IDs without changing their actual effect. This article explains what it is, why it’s dangerous, and how the crypto community has worked to mitigate it.

Unlock the mystery of blockchain nonces! Discover how these 'numbers used once' secure networks, power Proof of Work, and ensure a trustless environment.

Learn what Merkle trees are and how they reinforce data integrity using cryptographic hashing. Explore their role in blockchain, distributed systems, and secure data verification.

This article explains how cryptographic hashing plays a vital role in securing blockchain technology. It covers what hashing is, how it works, and why it guarantees integrity, immutability, and trust in decentralized systems.

Homomorphic Encryption is a powerful cryptographic technique that allows computations to be performed directly on encrypted data without needing to decrypt it first. This article explains what homomorphic encryption is, how it works, its types, use cases, and challenges.

Multi-Party Computation (MPC) is a cryptographic technique that allows multiple parties to jointly compute a function over their inputs while keeping those inputs private. This article explains the concept of MPC, how it works, its role in blockchain and Web3 security, and real-world use cases.