by Jay
2025-06-24
8 min read
web3 anwendungs-penetrationstests: Leitfaden für dApps, Wallets und APIs
Kurzfassung: Dieser Leitfaden zeigt, wie Sicherheitstests für Web3-Stacks 2025 konkret geplant, ausgeführt und gemessen werden – mit fokussierten Checklisten für Smart Contracts, Wallets (EOA, AA/4337, EIP‑7702) und APIs. Enthält aktuelle
by Jay
2025-06-22
9 min read
Enterprise Blockchain Consulting for Retail: Loyalty, Inventory, and Verifiable Data
Retailers are entering a two‑year window where blockchain-backed data, standards-based identifiers, and stablecoin rails can materially improve loyalty performance, inventory accuracy, and regulatory readiness. This guide distills what’s ac
by Jay
2025-06-22
10 min read
Blockchain in Automotive Industry: Where Enterprise Consulting Delivers ROI First
Decision-makers: here’s where blockchain and data-space standards are already returning cash-on-cash value in automotive, and how to implement them in 90 days with low risk.
by Jay
2025-06-22
12 min read
can you explain how rollups or sidechains differ from purpose-built real-time settlement platforms in terms of throughput and cost?
> Summary: This guide compares Ethereum rollups and sidechains to purpose-built real-time settlement L1s on two axes that decide user experience and unit economics—throughput and cost—using current post‑Dencun data, concrete configuration t
by Jay
2025-06-22
11 min read
Account Abstraction Telemetry: What to Log (and What Not To) in 2025
Description: In 2025, EIP-7702 is live and ERC‑4337 keeps evolving (EntryPoint v0.8+), changing what “good” telemetry looks like for smart accounts. This playbook shows exactly which signals to log across wallets, bundlers, paymasters, and
by Jay
2025-06-21
15 min read
Minimal-Trust Session Keys with EIP-7702: A Reference Implementation
Summary: This guide shows decision-makers and engineers how to ship minimal‑trust session keys on Ethereum using EIP‑7702 delegations, with a battle-tested security model, a compact reference contract, client snippets, and integration patte
by Jay
2025-06-20
13 min read
chainlink oracle security best practices: Threat Modeling Feeds, VRF, and Automation
Short summary: A practical, up‑to‑date playbook to threat‑model and harden Chainlink Data Feeds, VRF, and Automation for production DeFi, gaming, and enterprise apps—covering design choices, configuration pitfalls, migration deadlines, and
by Jay
2025-06-20
10 min read
Gasless UX, Real Constraints: A Production Checklist for Smart Accounts (2025 Edition)
A pragmatic, production-focused guide to shipping “gasless” UX with ERC‑4337 smart accounts and EIP‑7702‑upgraded EOAs after Pectra. Use this checklist to de‑risk launches, control costs, and pass compliance reviews—without compromising UX.
by Jay
2025-06-19
9 min read
Enterprise Blockchain Consulting for Automotive: Connected Vehicles and Supply Chains
Automakers can now turn regulatory pressure into advantage by combining sovereign data spaces, verifiable credentials, and selective blockchain anchoring to prove provenance, compliance, and carbon metrics across vehicles and parts. This fi
