Zero-Knowledge Proofs in Modern Blockchains: zk-SNARKs and Privacy
How cryptographic zero-knowledge proofs enable proving a mathematical statement is true without revealing the...
Sep 5, 2026
Editorial Contributor
Marcus Chen
Software engineer and cryptography educator. Writes practical guides on cryptographic primitives, wallet architectures, and Web3 development.
Author Publications
Educational Guides Authored by Marcus Chen (10)
How to Identify Crypto Phishing Scams and Wallet Drainers
Learn how malicious signature requests (permit2, eth_sign) drain wallets and how to spot fraudulent airdrops and...
Sep 3, 2026
What Is an NFT? Non-Fungible Tokens and ERC-721 Standards
Understand the difference between fungible and non-fungible tokens, smart contract metadata standards, and URI pointers.
Sep 1, 2026
What Is Web3? The Architecture of the Decentralized Web
From read-only Web 1.0 to platform-centric Web 2.0, understand how Web3 introduces verifiable ownership and...
Aug 30, 2026
What Is Blockchain Mining? Hardware, Pools, and Block Rewards
A factual look at how miners validate transactions, secure Proof of Work chains, and how specialized ASIC hardware...
Aug 28, 2026
Proof of Work Explained: Cryptographic Puzzles and Thermodynamic Security
How Proof of Work anchors digital security in real-world energy, difficulty adjustments, and Hashcash foundations.
Aug 26, 2026
What Is a Smart Contract? Self-Executing Code Explained
Learn how smart contracts automate agreements with deterministic logic, conditional statements (if/then), and...
Aug 24, 2026
What Is a Private Key? The Mathematical Heart of Crypto Ownership
Learn what a 256-bit private key is, how elliptic curve cryptography derives public keys, and why private keys must...
Aug 21, 2026
How Bitcoin Transactions Work: The UTXO Model Explained
Understand inputs, outputs, and the Unspent Transaction Output (UTXO) accounting model that powers Bitcoin ledger state.
Aug 18, 2026