Engineering posts, research notes, and systems thinking on programmable mandates, agent wallets, paymasters, and onchain identity.
Mastercard, OpenAI, Visa, and MetaMask just validated the machine economy thesis in a single quarter. A builder's reflection on what they confirmed, what they missed, and why the interoperable layer is the gap that decides the next year of agentic infrastructure.
Latest
01Everyone is racing to let AI agents check out. The winners will be whoever can prove what an agent bought, why, and on whose authority. A practitioner's guide to agentic commerce compliance, why it is the growth layer and not the friction, and the controls every autonomous transaction needs.
02We spent a century building financial infrastructure for humans. Now software wants a wallet, a budget, and the right to spend it. A playful, philosophical look at agent-initiated financial actions, why Know Your Agent is the new KYC, and the agentic infrastructure that makes it safe.
03Most agents silently fail when they hit a 402. Here's how to build one that detects the error, pays the API autonomously with USDC, and keeps going — using @abstraxn/agent-kit.
04HTTP 402 Payment Required means your request was valid but payment is needed. Learn what causes it, how to fix it on npm, Stripe, WordPress, nginx, Azure — and why AI agents are finally making it relevant.
05How to give an AI agent a crypto wallet it can't drain: an on-chain identity, gasless x402 payments, and a hard spending cap, all via account abstraction.
06Two of the four powers are live. Here is how to give an AI agent an ERC-8004 on-chain identity and x402 payments with the Abstraxn Agent Kit, step by step.
07MetaMask just launched an Agent Wallet for AI agents. Here is what it signals for the agent economy, and how to build your own agentic apps with Abstraxn's ERC-8004 identity, x402 payments, and account abstraction.
08A bot follows rules, an assistant recommends, an agent acts. And on-chain, an agent looks exactly like a wallet. Here is what actually makes something an agent.
09Agent fraud is the easy problem. The hard one is the authorized, in-mandate transaction a user regrets. Why agent payment liability is a design choice.
Identity, wallets, payments, and policy primitives for autonomous agent systems.
01Everyone is racing to let AI agents check out. The winners will be whoever can prove what an agent bought, why, and on whose authority. A practitioner's guide to agentic commerce compliance, why it is the growth layer and not the friction, and the controls every autonomous transaction needs.
02We spent a century building financial infrastructure for humans. Now software wants a wallet, a budget, and the right to spend it. A playful, philosophical look at agent-initiated financial actions, why Know Your Agent is the new KYC, and the agentic infrastructure that makes it safe.
03Most agents silently fail when they hit a 402. Here's how to build one that detects the error, pays the API autonomously with USDC, and keeps going — using @abstraxn/agent-kit.
04HTTP 402 Payment Required means your request was valid but payment is needed. Learn what causes it, how to fix it on npm, Stripe, WordPress, nginx, Azure — and why AI agents are finally making it relevant.
05How to give an AI agent a crypto wallet it can't drain: an on-chain identity, gasless x402 payments, and a hard spending cap, all via account abstraction.
06Two of the four powers are live. Here is how to give an AI agent an ERC-8004 on-chain identity and x402 payments with the Abstraxn Agent Kit, step by step.
07MetaMask just launched an Agent Wallet for AI agents. Here is what it signals for the agent economy, and how to build your own agentic apps with Abstraxn's ERC-8004 identity, x402 payments, and account abstraction.
08A bot follows rules, an assistant recommends, an agent acts. And on-chain, an agent looks exactly like a wallet. Here is what actually makes something an agent.
09Agent fraud is the easy problem. The hard one is the authorized, in-mandate transaction a user regrets. Why agent payment liability is a design choice.
10AI agent infrastructure needs four primitives: identity, wallet, payments, policy. Why ERC-4337 and ERC-8004 are the foundation.
11Gasless transactions are not a pricing trick. They are an execution-layer rewrite. Here is what paymasters do and how they hold up in production.
Embedded wallets, recovery, and onboarding without seed phrases.
01Seed phrases give you ownership, not access continuity. Recovery has to be enforced by infrastructure, not memorized by users.
