Smart Contracts

Blockpit Review: The Smarter Crypto Tax Calculator and Portfolio Tracker for DeFi, NFTs and Real-World Compliance? A practical, no-hype review of Blockpit as a crypto tax reporting and portfolio tracking platform. We cover its end-to-end workflow (imports, reconciliation, tax classification, optimization, and report export), how it handles DeFi and NFTs, what “read-only” integrations really mean, […]

How to Deploy Smart Contracts With $0 Gas Using Testnets You don’t need real ETH to learn, build, test, and even run full CI/CD for Web3. In this practical guide, you’ll deploy contracts to modern Ethereum testnets (Sepolia, Holesky, Base Sepolia, Polygon Amoy, Optimism/Arbitrum Sepolia, zkSync Sepolia) and popular alt L1 testnets (Avalanche Fuji, BNB

How US Developers Can Deploy a Smart Contract on Base A step-by-step, security-first guide for deploying Solidity smart contracts to Base (Coinbase’s Ethereum L2): local dev, testnet (Base Sepolia), mainnet, verification, bridging, CI/CD, and compliance tips for US builders. Beginner → Intermediate Base (OP Stack) • ~25–35 min read • Updated: 2025-11-13 TL;DR Build locally

Gas-Fee Engineering in 2025: How to Ship Fast Apps Users Don’t Hate Angle: Understand the post-EIP-4844 fee stack on Ethereum L2s, apply calldata→blob migration, add compression, and use account-abstraction paymasters so that everyday usage feels “near-free” without degrading safety or reliability. Why it’s hot: After EIP-4844 (proto-danksharding), rollups can post cheap blob data to L1,

ETH Roadmap 2025–26 (Pectra + Verkle): What Changes for Users & Devs Pectra landed in 2025 to tighten UX, validator ops, and staking ergonomics; Verkle trees are next up to overhaul state commitments and enable true stateless clients. This long-form guide maps what’s live, what’s next, and exactly how wallets and dapps should prepare down

AI Agents That Hold & Spend Crypto (2025): The Wallet-Native AI Wave The 2025 breakout theme across crypto is wallet-native AI  agents that custody assets, pay gas, tip creators, place trades, renew subscriptions, and unlock data without human signatures each time. Two things made this real: ERC-4337 account abstraction and production-grade paymasters + session keys.

Account Abstraction in Practice: Passkeys, Session Keys & Gas Sponsorship (2025 Edition) In 2025, account abstraction (AA) finally crossed from experiments to production. Passkeys replaced seed phrases for mainstream users, session keys unlocked frictionless in-app actions, and paymasters made “gasless” possible without centralizing custody. This guide is a practical, end-to-end playbook: how to ship passkey