The Archive

Explore the fundamentals, benefits, challenges, and applications of blockchain technology in this comprehensive guide to decentralization.

Learn how to generate Bitcoin addresses using bitcoinjs-lib and fetch balance via QuickNode. Explore various address types, setup instructions, and implementation steps.

Explore the evolution of contract deployment in Solidity through CREATE, CREATE2, and CREATE3 with a focus on address predictability and deployment strategies.

Learn how to quickly create and deploy a simple DApp using Solidity, Hardhat, and React + TypeScript in under 20 minutes.

Explore how ERC-4337 introduces account abstraction to Ethereum, enabling smart contract wallets, flexible gas payments, and improved user experience.

Explore the challenges of testing Layer 1 protocols and smart contracts with fuzzing techniques for enhanced security.

A beginner-friendly introduction to key networking concepts, layers, protocols, and terminology essential for understanding computer networks.

Explore the key differences, advantages, and use cases of ERC-721, ERC-721A, and ERC-1155 in the NFT space.

Learn how to build a simple blockchain from scratch in Python and explore the core mechanisms that make blockchain technology secure and immutable.

Learn how to securely shard private keys using JavaScript and encryption techniques for safer key management in blockchain applications.

Learn how abstract contracts in Solidity provide structure, modularity, and enforce implementation rules across smart contract development.

Explore how hash functions like Keccak-256 maintain data integrity and enhance security in Solidity and Ethereum smart contract development.

Explore EIP-1271, a crucial Ethereum improvement proposal that enables smart contracts to verify signatures, enhancing dApp security and functionality.

Discover EIP-7528, a proposed Ethereum standard that aims to unify the handling of native ETH with ERC-20 tokens using a pseudo-address, streamlining development and improving gas efficiency.

Explore the mechanics of flash loan attacks in DeFi, how they exploit governance systems, and crucial mitigation strategies, with insights from the 'Selfie' challenge.

Learn how to efficiently use Solana's getProgramAccounts RPC method with filters and data slicing using TypeScript and web3.js.

Understand how to protect Ethereum smart contracts from signature malleability by leveraging OpenZeppelin's ECDSA library with Solidity.

Learn about RPC (Remote Procedure Call) providers, the crucial bridge between decentralized applications (dApps) and blockchain networks, facilitating seamless interaction with on-chain data and smart contracts.

Explore Ethereum Improvement Proposal 712 (EIP-712), a standard that has revolutionized Ethereum’s approach to digital signatures and data handling, enhancing security and transparency.

Explore Avalanche, a high-performance Layer 1 blockchain offering near-instant finality, modularity, and the ability to create custom blockchains or subnets, ideal for modern dApps.

Explore ERC-4626, a standardized protocol that streamlines the operation and integration of tokenized vaults, enhancing DeFi efficiency and user experience.

Discover why mastering Cairo and Starknet is a strategic move for Web3 security researchers and Web2 cybersecurity professionals looking for high-demand opportunities.

Explore how Decentralized Finance (DeFi) has evolved from an experiment to a robust, borderless financial system, attracting traditional finance and addressing key challenges.

Explore how Zero-Knowledge Proofs (ZKPs) are fundamentally reshaping blockchain scalability and privacy, with a focus on Starknet's innovative use of this technology to scale Ethereum.

A guide on how to fetch real-time token prices and compute swap prices for Uniswap v3 liquidity pools using Web3.py and on-chain data.

Learn about Pay to Script Hash (P2SH), a Bitcoin transaction type that enables complex, multi-party transactions while simplifying the address format for the sender.

A simple guide to the fundamental terminology of React, from components and JSX to state management, hooks, and advanced rendering concepts.

A simple guide for developers to understand the difference between localhost and 127.0.0.1 and how they work within the local network, covering IP addresses, DNS, and more.

A comprehensive guide to Ethereum's scaling solutions, focusing on Layer-2s, the Optimism network, the OP Stack, and its vision for a unified Superchain.

A rapid-fire guide to 20 revolutionary CSS features released in the last few years, including Container Queries, Nesting, @layer, and more, that fundamentally change how we write styles.

Git is more than just a backup tool. Learn the 10 critical habits and mindsets that distinguish a productive senior engineer from someone just memorizing commands, focusing on clarity, history, and collaboration.