Blockchain and Web3 Insights

How to start a Web3 career for free across 9 roles, with what each job involves, who fits it, where to begin, what to learn next, and 1 project to build.

An AI agent wallet needs 6 guardrails enforced outside the model. How allowlists, caps, and expiring budgets stop a prompt injection, and what they still miss.

x402 lets AI agents pay for APIs and data in USDC inside a single web request. How the flow works, who runs it today, and what it still leaves unsolved.

Five hardware wallets compared on security, open-source firmware, connectivity, price, and asset support. Trezor Safe 5, Ledger Stax, OneKey Pro, Keystone 3 Pro, and Tangem were reviewed.