Smart Contracts

Discover how smart contracts work, the most common token standards, and real-world use cases that power decentralized application

ETH Roadmap 2025–2026: Pectra and Verkle Upgrades – What Changes for Users and Developers

Smart Contracts /

Ethereum roadmap, Pectra, Fusaka, EIP-7702, account UX, staking ergonomics, Verkle trees, stateless clients, light clients, Portal Network, PeerDAS, blobs, validator exits, storage proofs, and developer preparation Ethereum Roadmap 2025-2026: Pectra, Fusaka and Verkle Explained for Users and Developers Ethereum Infrastructure • ~33 min read • Updated: 2026 Ethereum roadmap 2025-2026 is no longer a vague […]

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AI Agents That Hold and Spend Crypto: Complete Guide to Agent Wallet 2026

Smart Contracts /

AI agents, agent wallets, ERC-4337, smart accounts, session keys, paymasters, UserOperations, bundlers, EntryPoint, autonomous payments, gas sponsorship, risk boxes, policy guards, on-chain automation, and wallet-native AI AI Agents That Hold and Spend Crypto: Complete Guide to Agent Wallets in 2026 AI Crypto Tools • ~34 min read • Updated: 2026 AI agents that hold and

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Account Abstraction in Practice: Passkeys, Session Keys and Gas Sponsorship

Smart Contracts /

Account abstraction, ERC-4337, smart accounts, passkeys, WebAuthn, session keys, gas sponsorship, paymasters, UserOperations, bundlers, recovery, migration, wallet UX, and programmable security Account Abstraction in Practice: Passkeys, Session Keys and Gas Sponsorship Smart Accounts • ~31 min read • Updated: 2025 Edition Account abstraction changes how users interact with crypto wallets by moving account security from

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Solana Actions and Blinks Explained: How to Transact Directly from Websites, Apps, and X

Advanced blockchain, Smart Contracts /

Solana Actions and Blinks Explained: How to Transact Directly from Websites, Apps, and X Solana Actions and Blinks turn ordinary links into transaction-ready experiences that can live inside websites, apps, articles, QR codes, chats, and social posts. Instead of forcing users through a full dApp flow, an Action exposes an HTTPS endpoint that returns wallet-readable

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Smart Wallets and Account Abstraction Explained: How ERC-4337 Improves Crypto Wallet Security

Advanced blockchain, Crypto Wallets, Smart Contracts /

Smart Wallets and Account Abstraction Explained: How ERC-4337 Improves Crypto Wallet Security Smart wallets and account abstraction are changing crypto wallet security by moving users away from one fragile seed phrase and toward programmable accounts with passkeys, spending limits, recovery rules, gas abstraction, session keys, batched actions, and safer signing policies. Traditional wallets are controlled

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Bitcoin L2s Are Here: What Stacks, BitVM and Rollups Mean for BTC in 2026

Smart Contracts /

Bitcoin Layer 2, Bitcoin rollups, Stacks Nakamoto, BitVM, BTC bridges, data availability, exits, settlement, custody risk, watcher networks, bridge security, and Bitcoin execution infrastructure Bitcoin L2s Are Here: What Stacks, BitVM and Rollups Mean for Bitcoin in 2026 Bitcoin Infrastructure • ~32 min read • Updated: January 2026 Bitcoin L2s are no longer just research

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Distributed Computing in Blockchain: From Zero to Clarity

Nodes, L1/L2, Rollups, Smart Contracts /

Blockchain fundamentals, nodes, consensus, distributed systems, and network security Distributed Computing in Blockchain: From Zero to Clarity Distributed computing in blockchain is the reason a public ledger can exist without one central company, bank, server, or administrator controlling it. Instead of trusting one machine to store the truth, thousands of independent nodes store data, validate

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Privacy Coins vs Compliance (design choices, risks, controls)

Smart Contracts, DeFi and Staking /

Privacy Coins vs Compliance: Risk-Based Controls, ZK Credentials and KYT Limits (Complete Guide) Privacy Coins vs Compliance is not a debate between good and bad actors. It is an engineering and governance problem: how to support legitimate financial privacy while meeting regulatory expectations for anti money laundering, counter terrorist financing, sanctions screening, and Travel Rule

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