Chemaclass
Chema

I like open-source software and sharing knowledge

Public Key

npub1ch2gzhpxux8zc9upxvqy5mwm4x5k5hm6772682mqd5g65yz4z34qg4sxwx

NIP-05 Address

Profile Code

nprofile1qqsvt4yptsnwrr3vz7qnxqz2dhd6n2t2taa009dr4dsx6yd2zp23g6spz3mhxue69uhhyetvv9ujuerpd46hxtnfduqs6amnwvaz7tmwdaejumr0ds2xuzws

Publishing to

relay.damus.io

nos.lol

Author Public Key

npub1ch2gzhpxux8zc9upxvqy5mwm4x5k5hm6772682mqd5g65yz4z34qg4sxwx

Show more details

Last Notes

2026-02-25 12:48:52 CET

https://blossom.primal.net/948804af0da8df6b00313903b83689a5f5420c1210434c141121592df099695e.jpg

2026-02-15 19:25:17 CET

The new reality
https://blossom.primal.net/50765745c29bcb5462b0bdc4aafdd5a363301baca74644714581a6160133c70b.jpg

2025-10-03 09:32:56 CEST

2025-08-07 16:17:46 CEST

- reply

Looking forward to present what I've being working on with https://satscribe.app/

2025-08-02 21:53:06 CEST

Satscribe: Blockchain Data Explained in Plain English
https://satscribe.app/
Satscribe is a web application that transforms Bitcoin blocks and transactions into insightful, human-readable conversations.
Enter a transaction ID, block hash, or block height. The app fetches the blockchain data via the Blockstream API and generates a plain-language explanation using OpenAI. Each chat is stored so that you can revisit or share it anytime.
Satscribe doesn’t require user accounts or passwords. Instead, it leverages the Nostr protocol to establish ownership of chats in a decentralized, privacy-friendly way.
🚀 Features
- Search the blockchain by txID, block hash or height
- Chat-powered summaries using GPT-4o
- Fetches data from Blockstream and CoinGecko
- Ask follow-up questions and pick a persona (Educator, Developer, Storyteller)
- Chats are saved and can be shared or kept private
- Lightning tipping after the free quota is reached
- View and search your previous chats
- Login via Nostr
- Completely open-source
https://stacker.news/items/1064971

2025-07-14 08:36:31 CEST

How was your weekend?
https://blossom.primal.net/87631aa892f487b3d6957b42fc4cc91bdfece51e820310ee313ef65cdb321c51.jpg

2025-07-14 08:34:40 CEST

- reply

2025-07-13 18:44:59 CEST

You can now fully register yourself in #satscribe using #nostr with one click. Afterwards, you can edit your profile data right there as well. Satscribe is becoming a nostr client lol
https://satscribe.app what a productive day!! 😄
https://blossom.primal.net/c5b384459d5f859bbadeff78ad0d9eab48453ae6eb71bd13b9ee6716c50cc5f3.png

2025-07-08 10:12:20 CEST

Did I mention you can now login to #satscribe with #nostr ? This way you can keep your history chat and messages with the AI without me holding your user data nor credentials of anykind.
https://satscribe.app/nostr
https://blossom.primal.net/6dec2ccb3887a5ae53ccd02043c2f66039aad0374f45559a3bc1843c12e3e442.png

2025-07-08 10:09:31 CEST

I've migrated #satscribe to its own domain ⚡
https://satscribe.app/

2025-07-08 10:08:29 CEST

No need to remind them every 2h... https://blossom.primal.net/77b808f07e40bad1d1066b7f1969191f6474df0ba028173d99a1685e176452ea.png

2025-07-07 19:10:40 CEST

- reply

#nostrfit

2025-07-03 22:56:10 CEST

- reply

#zapathon? Dónde?

2025-07-02 15:59:58 CEST

- reply

Awesome

2025-06-30 17:49:45 CEST

Wellcome! @nprofile…jk8g

2025-06-30 00:00:48 CEST

- reply

Updates so far: Nostr integration for login + chats visibility and sharables, personal history and public archive, new desing, improved AI internal prompts, better design and UX.

2025-06-29 23:00:18 CEST

What a weekend working on #Satscribe! Now it has a #Nostr login to save your chats with the app. No credentials needed, no personal user data: https://satscribe.chema.me/ Let me know your feedback
https://blossom.primal.net/893dae79e2837efafc5056109b5b16c5a6c83e58b0d645bdac40d46b9f145929.png

2025-06-20 21:32:24 CEST

- reply

Tasty

2025-06-05 16:49:14 CEST

- reply

Ooooooleeee

2025-06-04 00:45:58 CEST

- reply

Totally!

2025-05-18 03:50:33 CEST

🚀 New chat experience just dropped on Satscribe!
Explore any Bitcoin block or transaction with a smoother, smarter UI — now with threaded follow-ups, contextual replies, and instant prompts.
Try it out → https://satscribe.chema.me 🧡⚡️
#Bitcoin #AI #UX #mempool #opensource
https://blossom.primal.net/e797fbd452de180ce57f6b0a2cadf8598293b6b089dc8e82e67ab557ec8e6741.png

2025-05-16 22:44:59 CEST

- reply

Estuve pensando en pillarme uno. Como de ruidoso es? Donde lo tienes para que no moleste el ruido?

2025-05-15 20:07:17 CEST

- reply

Wow

2025-05-14 20:51:30 CEST

Improved loading message without blocking the whole view in #satscribe https://satscribe.chema.me/
https://blossom.primal.net/bda71c4cd1a175d82b4c89ed61677b67ea8070280c9b55086b332094b6e9ee1f.png
https://blossom.primal.net/eef59daf0786fc180d1788cf7c5637d611d4e0ba7a7546b689cd38f376bdef4d.png

2025-05-12 21:59:20 CEST

Satscribe now support a chat AI, where you can keep asking multiple questions regarding your block or txid of interest. Always within the context of BTC, of course!
Eg: http://satscribe.chema.me/chats/01jv310dh04etnchqz0rjc11fa
https://blossom.primal.net/52d4a6567b73189c3e310ab1ac9a5d786e4cd36cf3d14a2842e7580253b9ecf2.png

2025-05-12 09:33:03 CEST

- reply

This works so good and easy. Kudos!

2025-05-11 10:22:04 CEST

- reply

Although this is an area I am still exploring, I am still trying to improve it even more.

2025-05-11 00:42:56 CEST

New follow-up input added to #satscribe https://satscribe.chema.me
https://blossom.primal.net/edbed0776439c0327f790c1e745dbb72a69c2c76887687e8ffab95a0c2034a04.png

2025-05-09 23:53:34 CEST

- reply

Mola

2025-05-06 12:19:28 CEST

Big update to Satscribe⚡ Smarter, sharper, and more helpful:
– More relevant AI answers
– Block-to-block comparisons
– Contextual follow-up suggestions
– Question-focused summaries
– Cleaner, simpler UX
Try it out: https://satscribe.chema.me/
#satscribe #bitcoin #opensource
https://blossom.primal.net/fb12354401452bdbeb04b0494e2692a79940af29fdaac6b9e605f40fea839fea.png
https://blossom.primal.net/775f3b94a13743bc211c3926c71d6e723cc8251e6472d32524e3e149a2a6da20.png

2025-05-03 13:11:38 CEST

Just added a “Surprise Me” button to #Satscribe! Plus, AI replies are sharper, more focused on your question, less fluff, and better UX.
Give it a try! ⚡️ https://satscribe.chema.me
https://blossom.primal.net/5a7a7be8ca6dd767ecb4c7a700c20b474b887fa321566b6c1938627b7e4fd5ee.png

2025-04-29 09:48:21 CEST

- reply

Just wow

2025-04-29 09:47:54 CEST

- reply

That is the link to the PR https://github.com/bitcoin/bitcoin/pull/32359

2025-04-29 07:30:11 CEST

- reply

#nevent1qqs20s2emz0agnceqkl6f7f4dsxue7mrj3y9l77slsck25z38pvs97cppamhxue69uhkztnwdaejumr0dspzp3w5s9wzdcvw9stczvcqffkah2dfdf0h4au45w4kqmg34gg929r2qvzqqqqqqy55akxm

2025-04-29 07:29:06 CEST

- reply

Link to the PR https://github.com/bitcoin/bitcoin/pull/32359

2025-04-27 02:27:52 CEST

🚀I just integrated the @nprofile…fy4z API into my latest project https://satscribe.chema.me/ ! After some free request I added a soft-paywall asking for some sats to keep using the service.
After offering free access for initial usage, I’ve now added a small, symbolic paywall — asking for a few sats to continue using the service. It’s a tiny amount, but it reflects the work, maintenance, and creativity behind the project — and helps keep it sustainable.
💬 Would love to hear your thoughts, feedback, and ideas!
Feel free to check it out and let me know what you think.
https://blossom.primal.net/3ac21147190c674c66477b01aff0667287846c59569c33c10b5b5549a1b7187e.png

2025-04-27 02:20:59 CEST

Improved AI Personas and internal prompt

2025-04-24 21:21:14 CEST

- reply

Perfecto para mañana en el gym mañanero!

2025-04-21 23:42:10 CEST

- reply

Con el @nprofile…9vg9 temdra electrum, bitcoin core, lnd, mepool, albyhub, y otra decena de apps por si estuvierss interesado en necesitar mas. Pero ests son las clae. Ademas todocon accso tor. Top top

2025-04-21 23:38:46 CEST

- reply

~180€ Mini PC 2.9GHz 16GB RAM
~100€ 2TB SSD
0€ Start9 DIY - documentación 10/10
Depende de lo que te gastes en el minipc, entre 150-200€ puedes encontrar algo decente. Estuve con un nodo con una raspi y no hay color. Un minipc le da mil vueltas y vale solo un poco mas.
Como referencia: https://amzn.eu/d/0bH6Vc5 cualquier similar seguro que te vale.

2025-04-21 23:18:22 CEST

- reply

I improved the lógica behind -and the si prompt- so the output might get closer to what you were looking forma last week. Looking forward to hearing your feedback again!

2025-04-21 23:13:46 CEST

- reply

This++

2025-04-21 23:13:18 CEST

- reply

Te recomiendo un minipc al que le puedas instalar @nprofile…9vg9. De lo mejorcito para tener un nodo en casa con muchas utilidades adiionales. Es mas que un nodo corriente, lo tiene todo para ser soverado de verdad con version DIY

2025-04-21 19:40:23 CEST

New design. New functionalities. Faster. Better.
Check this out: https://satscribe.chema.me 🥳😎
https://m.primal.net/QYYh.png
#satscribe #bitcoin #opensource #understanding #btc

2025-04-20 06:41:32 CEST

- reply

What a great idea! I have the goal of a book each month. I write a little summary in my blog to remember them and keep the progress on them. Seeing your progress is very encouraging.

2025-04-18 22:32:06 CEST

I've added a FAQ page on my new pet project #Satscribe. Check it out: https://satscribe.chema.me/faq
https://m.primal.net/QVOO.png

2025-04-18 21:06:54 CEST

Building on #bitcoin, anything, is fun x2

2025-04-17 23:33:46 CEST

Phone design updated! https://satscribe.chema.me/
https://m.primal.net/QUHJ.png
https://m.primal.net/QUHK.png

2025-04-17 08:10:41 CEST

- reply

Welcome to nostr!

2025-04-17 07:55:05 CEST

Mobile UX improved: https://satscribe.chema.me/generate
Let me know your feedback!
#opensource #satscribe #bitcoin #ai #chatgpt
https://m.primal.net/QTCa.png
https://m.primal.net/QTCb.png

2025-04-16 00:09:32 CEST

- reply

I added the possibility to ask yourself anything to it, so the user has more control over the prompt

2025-04-16 00:07:48 CEST

Got a Bitcoin tx or block you're curious about?
Ask anything and let AI give you the breakdown.
Explore the latest Satscribe update: https://satscribe.chema.me
#opensource #software #satscribe #ai #bitcoin #buildinpublic
https://m.primal.net/QRCO.png

2025-04-15 08:32:36 CEST

- reply

You are right.Using the si was fin forma the ver y first mvp and scaffolding of the project un two days. Now that I got that, I could try something else and play around.
When you said "who spent what to whom using which wallet/protocol" you mean a detailed view? I mean, for that you already have the blockstream api. My original idea was to wrap it up to provide another type of data.
I have another idea to explore tonight. I appreciate your feedback!

2025-04-15 02:11:03 CEST

- reply

thanks for the idea! I am still trying to find the best prompt to get the best outcome. I will add some changes based on what you said 😃

2025-04-15 01:44:30 CEST

Just launched a weekend project:
🧠 Satscribe – Paste any Bitcoin TXID or block height and get an AI-written summary: https://satscribe.chema.me/
It pulls live blockchain data and explains it in plain English.
Perfect for curious minds 🧑‍🏫 Feedback welcome! ⚡
#Bitcoin #AI #buildinpublic #opensource #chatgpt

2025-04-14 02:07:22 CEST

- reply

Justo ahora hice el repo público, full open source https://github.com/Chemaclass/satscribe a ver si consigo hostearlo en un servidor para que la gente pueda usarlo desde una url
https://m.primal.net/QOez.png

2025-04-14 01:28:22 CEST

I am working on a new pet project, combining bitcoin and AI.
Interesting combination 😜

2025-04-07 22:44:42 CEST

- reply

I love it. Thank you!

2025-04-07 18:52:13 CEST

- reply

So cool

2025-04-06 22:50:35 CEST

Berlin is a great placer to start orangepilling. Every shop I go I ask if they accept #bitcoin. At some point they will, but they dont know it yet.

2025-04-02 22:28:37 CEST

- reply

Todo el apoyo al afectado. Lo que no te mata te hace mas fuerte. Aunque está claro que ha debido ser un golpe durisimo.

2025-04-02 22:04:40 CEST

Testing the new wonderful AI from WhatsApp.
https://m.primal.net/QCGY.png

2025-03-30 00:18:25 CET

What #nostr client(s) do you use?

2025-03-28 07:06:56 CET

Muy LN address is working again! :D

2025-03-21 22:33:42 CET

- reply

Great initiative!!

2025-03-21 22:30:53 CET

- reply

I like it

2025-03-02 21:18:59 CET

- reply

lo clavaste, si jajaja

2025-02-28 21:29:20 CET

- reply

tuviste razón

2025-02-26 22:56:17 CET

- reply

sueño con los 50-60...

2025-02-26 22:26:54 CET

I hope it falls a bit more, at least until my next paycheck

2025-02-18 20:33:56 CET

- reply

yes, thats all :)

2025-02-18 08:50:07 CET

- reply

Gracias por la recomendación. Muy recomendable https://chemaclass.com/readings/digital-minimalism/

2025-02-18 07:11:04 CET

2025-02-17 18:55:16 CET

- reply

what do you mean? You need a node at home (that's the tutorial for) or you pay for the hosted version (alby cloud). either way, you need a ln node (custodial by yourself or others)

2025-02-17 10:34:02 CET

- reply

You could use Alby Hub from within a @nprofile…fu08 OS + BTC full node + mempool + ... However, this tutorial's point was to use the cheapest computer you might have at home. Ideal for that raspy that you might have to lie around without any usage. It doesn't matter if it is raspy or a mini PC. The tutorial goes further, showing the simplicity of its installation and first usage 🧠

2025-02-16 23:43:21 CET

Take full control of your Lightning payments with Alby Hub!
A tutorial on setting up your Raspberry Pi with @nprofile…fy4z
#opensource #albyhub #bitcoin #lightning #raspberrypi
https://chemaclass.com/blog/run-your-ln-node/

2025-02-16 15:31:23 CET

Digital Minimalism means using technology intentionally instead of letting it control your life. Be mindful of your apps, keep only what adds value, and take breaks from non-essential tools. The result? More focus, less stress, better relationships, and higher productivity.
https://chemaclass.com/readings/digital-minimalism/

2025-02-09 22:19:42 CET

- reply

https://m.primal.net/OYWZ.jpg

2025-02-09 22:08:44 CET

Por fin leído. Recomendación del mes: #Criptoria de @nprofile…cqej
https://chemaclass.com/readings/criptoria

2025-02-09 12:28:08 CET

open source everything

2025-02-09 12:26:15 CET

Look at everything you do as an opportunity to learn and grow.

2025-02-09 12:24:59 CET

Fail fast.

2025-02-01 22:06:13 CET

@nprofile…yve6 @nprofile…myw7 @nprofile…v7g7 y esta mempool?! A que se debe que estemos ahora a 1 sat/vB y a bloques medio llenos? 😆

2025-02-01 21:52:49 CET

It looks too good to be true... but, it is. Indeed it is! https://m.primal.net/OLsE.png

2025-02-01 21:50:41 CET

I entered the mempool and saw it empty. For one second I though I was looking at some hack, or joke, or error. But nope, it's just bitcoin playing again with its unpredictable behavior, as usual. This time very very calm, to the point it looks suspicious. Anyway, now its the best time to consolidate dusty utxos and open on channels.

2025-02-01 10:37:30 CET

- reply

very nice wallpaper

2025-01-31 10:01:44 CET

The word of the day: "Karma" https://www.youtube.com/watch?v=CeetS4vERoo

2025-01-31 07:29:11 CET

- reply

2025-01-29 07:14:19 CET

- reply

yes 💊😁

2025-01-29 00:04:04 CET

I am trying the @npub1ve8…9ka6 and it looks promising. Check it out 😃 https://signup.theorangepillapp.com/opa/Chemaclass

2025-01-28 18:58:51 CET

brutto vs netto 😁
https://m.primal.net/OEiw.jpg

2025-01-28 11:13:56 CET

what a time to be alive https://mempool.space/
https://m.primal.net/OEHW.png

2025-01-25 16:25:37 CET

- reply

amazing 😍

2025-01-24 14:55:00 CET

sad true story 🤣
https://m.primal.net/Nxwj.jpg

2025-01-21 23:07:57 CET

it's about time 💡

2025-01-19 00:06:35 CET

It's a perfect time to consolidate.

2025-01-18 13:56:14 CET

- reply

I thought that in the beginning... but the mempool doesn't lie 😆

2025-01-18 13:27:39 CET

What a time to be alive https://mempool.space/
https://m.primal.net/NmQe.jpg

2025-01-17 20:32:27 CET

@nprofile…aawd acabo de escuchar en el ultimo min de Bitcoin 2140 como mencionabas la serie Severance. La terminé justo hace dos días yo también. Menuda joya.

2025-01-16 12:47:31 CET

- reply

check it yourself here https://brrr.money/