by Jay
2025-09-23
11 min read
Composable Address Books Across Chains: Indexing the ‘User’ Not the Chain
A composable address book treats people and organizations as first-class objects you can reference across chains, wallets, and apps. This guide shows decision-makers how to design a chain-agnostic contact layer using today’s standards (CAIP
by Jay
2025-09-22
11 min read
Decentralized Finance Consulting: Risk, Compliance, and Smart Contract Design
A practical, 2025-ready playbook for DeFi decision‑makers. We cover what changed on-chain and in law this year, concrete risk controls you can ship, and how to design compliant, verifiable smart contracts without killing UX.
by Jay
2025-09-22
12 min read
DeFi Protocol Consultancy: Security, Tokenomics, and Governance in One Package
Decision-makers don’t have time for fragmentation. This guide shows how 7Block Labs designs, ships, and operates DeFi protocols with security, tokenomics, and governance engineered as a single system—using current standards, 2024/2025 regul
by Jay
2025-09-20
10 min read
How Blockchain Penetration Testing Fits into Web3 SDLC
Short description: Security losses in Web3 keep rising and the attack surface is evolving. This guide shows decision‑makers exactly where and how blockchain penetration testing plugs into a modern Web3 SDLC—with concrete attack simulations,
by Jay
2025-09-20
7 min read
web3 anwendungs-penetrationstests: Testfälle für Smart-Account Wallets und Signaturen
Kurzfassung: Dieser Leitfaden zeigt, wie Sie Smart-Account-Wallets (ERC‑4337/Modular Accounts) und deren Signaturpfade realitätsnah penetrieren: von EOA→Smart‑Account‑Delegationen (EIP‑7702) über ERC‑1271/6492/712 bis zu Paymastern, Bundler
by Jay
2025-09-20
12 min read
Gas Sponsorship Meets Chain Abstraction: Funding Exec Across Networks
Concise summary: Gas sponsorship and chain abstraction are converging in 2025: with Pectra’s EIP-7702, ERC‑7677 paymaster services, stablecoin paymasters (like Circle’s USDC), and chain‑abstracted relayers, you can fund users’ transactions
by Jay
2025-09-20
12 min read
web3 application penetration testing for Wallet Connectors: Common Attack Paths
A compact, decision‑maker’s guide to penetration testing wallet connectors in modern web3 stacks. We break down concrete attack paths, show exactly what to test, and prescribe 2025‑ready controls that materially reduce drainer, phishing, an
by Jay
2025-09-20
10 min read
From Sign-In With Ethereum to Sign-In With Intents: Rewriting Onboarding Flow
A practical playbook to upgrade “connect wallet → sign” into a one-click, capability-scoped, gasless, MEV-protected onboarding that works across EOA and smart accounts. We’ll show what to change first, what to measure, and how to ship safel
by Jay
2025-09-20
11 min read
Security for Cross-Chain Messaging Layers: Attacks and Defenses
Startups and enterprises increasingly depend on cross-chain messaging to move assets and automate workflows across blockchains—but attackers do, too. This guide distills what has actually broken in production since 2021, how leading protoco
