While blockchain’s transparency helps prevent fraud, sharing all transaction details publicly risks privacy violations. Emerging cryptographic innovations like zero-knowledge proofs offer new ways to maximize both privacy and security on… Continue reading zk-SNARKs and the Evolution of Blockchain Privacy
Author: Bryant Nielson
Securing Blockchain Smart Contracts and DApps
Smart contracts and decentralized applications (DApps) built on blockchain introduce new attack surfaces and vulnerabilities compared to simple value transactions. Without proper security engineering, exploitable code risks theft and loss… Continue reading Securing Blockchain Smart Contracts and DApps
Case Study – The Verge 51% Attack and Blockchain Consensus Vulnerabilities
In April 2018, the Verge blockchain fell victim to a damaging 51% attack. Within hours, threat actors took over Verge’s proof-of-work consensus mechanism and successfully double spent coins, stealing an… Continue reading Case Study – The Verge 51% Attack and Blockchain Consensus Vulnerabilities
Blockchain and Baseball: The Growth and Adoption – Following the Progress of the Game
Since its origins over 10 years ago, blockchain has rapidly evolved from an obscure technology into a catalyst for transformation across industries. Comparably, baseball grew in popularity over the 20th… Continue reading Blockchain and Baseball: The Growth and Adoption – Following the Progress of the Game
Consensus Models – Understanding Proof of Work vs. Proof of Stake Security
At the heart of any blockchain is the consensus mechanism – the distributed process that allows nodes to agree on the state of the ledger. Two primary approaches have emerged… Continue reading Consensus Models – Understanding Proof of Work vs. Proof of Stake Security
Case Study – How LISK Leverages Cryptography for Blockchain Security
Blockchain platforms aim to secure sensitive transaction data and consensus mechanisms without centralized oversight. As a leading blockchain for decentralized applications, LISK provides an insightful case study into how cryptographic… Continue reading Case Study – How LISK Leverages Cryptography for Blockchain Security
Hashing and Public Keys – The Cryptographic Foundations of Blockchain
Behind the scenes of every blockchain transaction and consensus mechanism lies powerful cryptographic code. Two keystone techniques provide the bedrock of security for blockchain platforms: hashing and public key encryption.… Continue reading Hashing and Public Keys – The Cryptographic Foundations of Blockchain
Securing Blockchain Architecture – Core Principles and Best Practices
The innovative potential of blockchain technology relies on networks that are resilient, distributed, and resistant to unauthorized access or tampering. Achieving these critical security goals requires incorporating core principles into… Continue reading Securing Blockchain Architecture – Core Principles and Best Practices
An Introduction to Blockchain Security Threats
Blockchain technology offers many advantages in terms of decentralized, transparent, and immutable record-keeping. However, like any technology, blockchains also come with a variety of security risks that need to be… Continue reading An Introduction to Blockchain Security Threats
Blockchain and Baseball Players and Positions – Understanding the Roles and Responsibilities
Blockchain networks and professional baseball teams are complex systems requiring different participants to play specialized roles. From cryptocurrency miners validating transactions to pitchers throwing heat on the mound, responsibility is… Continue reading Blockchain and Baseball Players and Positions – Understanding the Roles and Responsibilities