San Juan BitDevs 🇵🇷

Bitcoin Optech newsletter #397 is here: - summarizes changes to services/client software including Cake, Sparrow, FIBRE, and more - Bitcoin Core 31.0rc1 - Optech Newsletter #397 Podcast bitcoinops.org/en/newsletters…

Price goes up → everyone celebrates Price goes down → everyone panics Meanwhile us: still building ⚡️ #fintech #btc #bitcoin #lightning

Thanks to everyone who came out yesterday, presenters @SuperTestnet & @itsdonnyok & special thanks to @pizzaninjas for letting us use their new space! There was heated debate, awesome demos, beer/pizza, games, and miners! 🙌

¡Mañana! March @SanJuanBitdevs with @SuperTestnet, @itsdonnyok ...and NerdQAxe++ miners! Don’t miss it!

Welcome to our live show! x.com/i/broadcasts/1…

A new release candidate of Bitcoin Core, v31.0rc1, is available for testing. This is a new major release, and follows v30.2. Work-in-progress release notes are here: github.com/bitcoin-core/b… Binaries are available here: bitcoincore.org/bin/bitcoin-co…

Hey Puerto Rico! This Wednesday @SanJuanBitdevs is back for Socratic Seminar #23 at Ralf's Game Club in San Juan! ⑂ Fork testing on regtest. ⛏️ Mining pools demystified. 🎰 Plus a NerdQaxe++ miner raffle. 7pm, Mar 18. Free, all levels welcome. meetup.com/san-juan-bitde…

Next @SanJuanBitdevs! 2 special guests: @SuperTestnet on testing hard/soft forks on regtest. Then San Juan local @itsdonnyok on mining pools & what they mean for you...Rumor has it he's bringing some NerdQaxe++ miners with him! 🚀 RSVP below

Agentic payments are so hot right now 🔥 You’ve probably heard of L402 or x402, but what are they? I’ll explain, but first, the internet! Back in the early 90s the HTTP protocol was being built, and with that came some error codes, 404 page not found being the most famous. 💅 But, reserved for future use, is a very forgotten error code, 402 payment required. This error code has sat waiting, for decades, for its moment to shine. And now, finally, we have money truly built for online commerce, Bitcoin + Lightning ⚡ And of course agents will choose to work with money designed for them. Agents don’t have identities, they can’t open bank accounts. They aren’t so great at filling out forms on a website, but they excel at using APIs! They can crunch numbers way faster than we can and they don’t want to sit around waiting on third parties to verify payments and grant access. L402s were designed for them! So what is an L402? It’s an access token that includes proof of payment. An agent shows up to an API endpoint looking for some data. The service returns a token with a Lightning invoice. The agent pays that invoice, receives the preimage as proof of payment and adds that preimage to the token, making an L402. The agent then returns to the server to access the data in that API endpoint presenting the L402 to get instant access. But wait, there’s more. As this is a bearer token, an agent can also attenuate that token and sell it, or pass it along to sub-agents, etc. Lots of options. No identity needed, no need for the server to hold on to user data. This is a protocol created by Lightning Labs in 2020. And how does this relate to x402? You can think of it like this, L402 is a bearer token while x402 is a process. An agent shows up to an API endpoint looking for some data. The service returns a 402 error code along with instructions for various payment methods. An agent makes a payment and a facilitator service monitors the blockchain to check for confirmations, returning data to the server when a transaction is settled. The server can now grant the agent access to the data in that API endpoint. This is a protocol created by Coinbase in 2025. x402 focuses more on the broader crypto ecosystem while L402 focuses on Lightning. L402 tokens were built specifically for Lightning payments but it’s theoretically possible to use L402s inside of the x402 process. There are of course so many more details here. If you’d like to dig in checkout the links below 👇

📢 Estamos empezando en 5 minutos!!! Llegó el día! 🤯

FYI, the next @SanJuanBitdevs is the evening of Wednesday the 18th. More details coming soon.

Agents want to use money. Bitcoin makes it possible. Join us on Wed, March 18 for our next AI + BTC community call at 10am PT/1pm ET/5pm UTC. With Lightning, anyone anywhere can integrate payments into their apps. Vibe coders, devs, agents. Instant, high volume, low fee. L402 makes the internet machine-native with built-in authentication. Join us to learn more. Demo your projects. RSVP here: forms.gle/cfpXTatfXS4kwx…

Los agentes de IA 🤖 van a mover dinero! ¿Pero... cómo pagan? @hmichellerose de @lightning tiene la respuesta en el Bitcoin Lightning ⚡️ AI Summit 2026 🔥 🎙️"Lightning Network: La Capa de Pagos que la IA Necesita" Gratis. En español. Online. 👇 luma.com/ilixxxc4

Welcome to our live show! x.com/i/broadcasts/1…

⚡️Tomorrow on Plan ₿ Programs: Developer Track goes deeper on Lightning. Lightning Protocol with Hannah Rosenberg, Dev Advocate at @lightning. @hmichellerose will dive in how the protocol fits together, what developers should watch for in production, and where the real complexity shows up (routing, reliability, UX). 4PM CET!

Agents with wallets are here. AI agents like OpenClaw are creating the Internet of Money. Plus: ✦ Lightning > $1B monthly volume. ✦ $1M payments clearing. ✦ Merchant adoption in Charlotte. Is #BitcoinCommerce about to go autonomous? New issue ↓ velascommerce.substack.com/p/agents-with-…

If you build centralize systems they will be co-opted by the psychopaths. Concentration of power WILL be abused. Decentralized system are our best bet for preventing the Orwellian boot of oppression on the face of humanity.

@hell_line0 This is also what facilitates abuse. When you have concerns please talk to your friends and family.

When I first got married, I called my mom to complain about some argument my husband and I were having. My mom stopped me right there and said, "unless you are in danger, dont ever let anyone into your marriage, not even me". Its was the best advice I could've ever received as a young wife. It allowed me to take my concerns directly to my husband, think thru how I really feel without someone projecting themselves on me. Gatekeep the marriage.

Arguably the most important conversation I've had on the show yet, Pieter Wuille - former Bitcoin Core maintainer & lead developer of SegWit & Taproot - shares why he's no longer interested in participating in Bitcoin consensus changes. Full interview in the comments 👇

Actualizamos la lista de grants con b4os.dev — que ofrece residencias especializadas en Bitcoin para desarrolladores de América Latina, el Caribe y España 🇨🇺🇵🇷 Chequéalo aquí 👇 github.com/Velas-Commerce… @SanJuanBitdevs