Digital Signatures in Blockchain: How Identity and Authenticity Are Verified (Part 2)
How to generate a digital signature using OpenSSL The first step is to generate a hash of the message file: $ openssl dgst -sha256 message.txt…
Cryptography
Block Ciphers: How Data Is Encrypted in Fixed-Size Chunks for Maximum Security (Part 2)
With this approach, block ciphers are used in the Cipher Block Chaining (CBC) mode in order to generate a MAC.
Elliptic Curve Cryptography in Blockchain: Smaller Keys, Stronger Security (Part 2)
The discrete logarithm problem in ECC is based on the idea that, under certain conditions, all points on an elliptic…
Public And Private Keys: A Complete Guide to Understanding This Blockchain Concept
A private key, as the name suggests, is a randomly generated number that is kept secret and held privately by its users.
Zcash on Ethereum: Bringing Zero-Knowledge Privacy to Smart Contract Platforms
This is the first currency that uses a specific type of ZKPs known as Zero-Knowledge Succinct Non-Interactive Arguments of Knowledge (ZK-SNARKs) to…
Symmetric Cryptography in Blockchain: How Encryption Keeps Data Safe
You will be introduced to the concepts, theory, and practical aspects of symmetric cryptography.
Symmetric Cryptography in Blockchain: How Encryption Keeps Data Safe (Part 2)
Asymmetric cryptography refers to a type of cryptography where the key that is used to encrypt the data is different from the…
Indistinguishability Obfuscation: The Future of Cryptographic Privacy
Obfuscation works, why it matters, and how it fits into the broader blockchain ecosystem. Clear explanations with real example
Oyente Tool 830: A Complete Guide to Understanding This Blockchain Concept
Expert insights, real examples, and practical guidance to master this key blockchain concept.
Symmetric Cryptography in Blockchain: How Encryption Keeps Data Safe (Part 2)
Symmetric cryptography refers to a type of cryptography where the key that is used to encrypt the data is the same one that is…