--- title: "Hannah Rosenberg (@hannahmr) | Hashnode" description: "Tech nerd. Bitcoin. Lightning. \n\n⚡ Dev Advocate Lightning Labs\n🟠 Organizer San Juan Bitdevs\n💼 Founder VelasCommerce" url: "https://hashnode.com/@hannahmr" --- @hannahmr # Hannah Rosenberg @hannahmr · San Juan Puerto Rico · Joined April 2026 Tech nerd. Bitcoin. Lightning. ⚡ Dev Advocate Lightning Labs 🟠 Organizer San Juan Bitdevs 💼 Founder VelasCommerce ### [L402: The Protocol Enabling Machines to Pay Machines](https://hannahmr.hashnode.dev/l402-the-protocol-enabling-machines-to-pay-machines?utm_source=hashnode&utm_medium=feed) L402 is a protocol for machine-to-machine payments. It allows agents to go out and purchase resources or access tokens to APIs online. If this sounds familiar, you might have heard of it before or of 2 min read · [hannahmr.hashnode.dev](https://hannahmr.hashnode.dev/l402-the-protocol-enabling-machines-to-pay-machines?utm_source=hashnode&utm_medium=feed) [2](https://hashnode.com/posts/l402-the-protocol-enabling-machines-to-pay-machines/69fccd2c9f93a850a4f88d11) [May 7](https://hashnode.com/posts/l402-the-protocol-enabling-machines-to-pay-machines/69fccd2c9f93a850a4f88d11) ### [Macaroons are Beautiful, and Easy to Understand!](https://hannahmr.hashnode.dev/macaroons-are-beautiful-and-easy-to-understand?utm_source=hashnode&utm_medium=feed) Cryptography macaroons 4 min read · [hannahmr.hashnode.dev](https://hannahmr.hashnode.dev/macaroons-are-beautiful-and-easy-to-understand?utm_source=hashnode&utm_medium=feed) [Apr 28](https://hashnode.com/posts/macaroons-are-beautiful-and-easy-to-understand/69f13b3610a70b33350e5461) ### [Why Agents Prefer Bitcoin](https://hannahmr.hashnode.dev/why-agents-prefer-bitcoin?utm_source=hashnode&utm_medium=feed) Research shows that AI agents prefer Bitcoin 3 min read · [hannahmr.hashnode.dev](https://hannahmr.hashnode.dev/why-agents-prefer-bitcoin?utm_source=hashnode&utm_medium=feed) [Apr 28](https://hashnode.com/posts/why-agents-prefer-bitcoin/69f11d3e10a70b3335fedab8) ### [Bitcoin is an Agent's Best Friend: Getting an OpenClaw Bot to Run a Lightning Node](https://hannahmr.hashnode.dev/bitcoin-is-an-agent-s-best-friend-getting-an-openclaw-bot-to-run-a-lightning-node?utm_source=hashnode&utm_medium=feed) AI + Lightning Demo: Getting an Open‑Claw Bot to Run a Lightning Node Welcome to the first installment of our AI‑and‑Lightning demo series (Lightning of course being Bitcoin's second layer for faster, 6 min read · [hannahmr.hashnode.dev](https://hannahmr.hashnode.dev/bitcoin-is-an-agent-s-best-friend-getting-an-openclaw-bot-to-run-a-lightning-node?utm_source=hashnode&utm_medium=feed) [Apr 16](https://hashnode.com/posts/bitcoin-is-an-agent-s-best-friend-getting-an-openclaw-bot-to-run-a-lightning-node/69e12ee7ffbb787634ea52b5)