vinteum

"51ddd5263c17d976612bf150dd4430c6a400be557eac84ba0209f3d67424aaacb70dc668fbf05c186a65f5c1277a5cfc2538256688a75dca54e5b16681e894a0"

Last Notes

2026-07-02 00:12:50 CEST

A serious website was long overdue.
We redesigned vinteum.org to better tell the story of what we’ve been building: funding, training, and supporting open-source Bitcoin developers and researchers in Brazil.
Check it out: vinteum.org
https://blossom.primal.net/3567616bb33181cbdd36e215cce7817357f267034215b9f475d734de7dfb4c3f.jpg

2026-03-17 18:29:54 CET

Reviving P2Pool: Welcoming Johnny Santos as a Vinteum Grantee
https://blossom.primal.net/9847774d844e08cb879191d5a1ad6bec6cae24eb4d0df267a9f225a398b4bd0c.png

2025-08-13 00:30:03 CEST

On August 10, Vinteum turned 3 years old 🎉
To celebrate, we put together a 50-page report (available in English and Portuguese) covering everything we have accomplished so far, from developer contributions to education and community building in Brazil’s Bitcoin ecosystem
https://blossom.primal.net/1b03ffe20e880e4d6482ce08bed8cb82631ec75ffe6a41e6db56b550386b03db.jpg
The full report is available in both English and Portuguese.
📄 English: http://vinteum.org/3-years-EN
📄 Portuguese: http://vinteum.org/3-years-PT

2024-09-12 17:29:04 CEST

Aulinha informal de taproot entre José da Alpen Labs e @npub170d…chu7 da @npub1m0n…dqkw
Trabalhar da Casa21 é assim!
https://m.primal.net/KnrQ.jpg

2024-09-05 21:16:40 CEST

Estamos lançando o Bitcoin Dev Launchpad, um programa gratuito de 3 meses para formar desenvolvedores de Bitcoin e Lightning Network. Serão 12 semanas de aulas, workshops e desafios, com uma fase presencial na Casa21 em SP e no evento Bitcoin++ em Florianópolis. Oportunidade única para quem quer avançar na carreira e contribuir com projetos open-source. Inscrições abertas até 2 de outubro. Não fique de fora! Acesse: vinteum.org/bdl
https://medium.com/vinteum-org/bitcoin-dev-launchpad-programa-de-acelera%C3%A7%C3%A3o-de-desenvolvedores-open-source-de-bitcoin-no-brasil-bfff58887153

2024-08-21 21:28:10 CEST

Workshop prático com @npub18va…7nzf sobre como estruturar aplicações baseadas em Nostr utilizando padrões de design modernos.
Utilizando o framework Svelte com a biblioteca NDK (Nostr Development Kit) para construir um demo app
https://www.youtube.com/watch?v=G06N-XEIrY4

2024-08-21 21:22:56 CEST

🚀 Thrilled to announce that our grantee, @npub1ur8m24ya8nmakn38xmuwr0yy7cjgdtm6gy54mpnudgcngkgyy55qxc58yl, has just released v0.6.0 of Floresta, a lightweight Bitcoin full node powered by utreexo!🌳 Over the past year, we’ve supported his journey to make Bitcoin more accessible. Testers are welcome!
https://medium.com/vinteum-org/floresta-update-simplifying-bitcoin-node-integration-for-wallets-6886ea7c975c

2024-05-07 19:00:55 CEST

Desenvolva seu primeiro app Nostr!
Nesse Workshop, você vai aprender a usar o framework Svelte e a lib nostr-tools para criar um client Nostr básico, capaz de gerar chaves, criar, transmitir e receber eventos dos relays.
youtu.be/drwrg_Xi-X4
Por @npub170d8w0jjdcjuh70lq5ppr0pcy7cfuxj6hpr00tm4et3v53j8pvrqj0chu7 e @npub18vay956v7zs5qtgc65mvn54v96cuvqv6j9fmu4cgfjqkt5vjuvjsc47nzf

2024-05-03 15:05:04 CEST

Venha aprender a desenvolver seu primeiro app Nostr, na Casa21!
@npub170d8w0jjdcjuh70lq5ppr0pcy7cfuxj6hpr00tm4et3v53j8pvrqj0chu7 and @npub18vay956v7zs5qtgc65mvn54v96cuvqv6j9fmu4cgfjqkt5vjuvjsc47nzf vão te ensinar:
- Como funciona o Protocolo Nostr - Geração de chaves públicas e privadas - O formato dos eventos - Transmitindo seus eventos para relays - Filtrando eventos em seu App
 Se você sabe HTML, CSS ou Javascript, você já possui boa parte do conhecimento necessário pra começar! https://cdn.zbd.gg/ugc-uploads/0dcab5fc-1714741503351.png

2024-03-15 18:15:27 CET

Brazilian Bitcoin devs crew attending Advancing Bitcoin.
@npub1ez8efu9rjxu64g0lalty2ffmr2tgkzjz92rkafyfyz5463wr8ars8zls5t
@npub1uu8sdgm7geznwnaxhfgqs5wp6slhpm8tsdy6u852v72jawyk0faqc3hr2k
It’s the second time, following @npub17yqgpat6e6ensd78jqhj4c3ef03uq04uqu3z05rhjnlk67lwm8wq9w5269 last year, we’re supporting devs to attend great technical Bitcoin conferences, thanks to @npub1uq70uqgas9pyhds2zt57kr9se8rg3s68ztphjnq82ts8rzeknmeql7u0c2 https://cdn.zbd.gg/ugc-uploads/f9d95b11-1710522927071.jpeg

2024-02-27 16:55:10 CET

Nesse sábado, 02/03, às 9h, teremos mais um Workshop Casa21
@npub1yxp7j36cfqws7yj0hkfu2mx25308u4zua6ud22zglxp98ayhh96s8c399s vai conduzir um workshop sobre BitVM
Você vai aprender:
- Implement "bit tac toe" together
- Learn about multiparty computation
- Bitcoin smart contracts with rich state
- Off chain computation
- Fraud proofs and more
https://www.meetup.com/pt-BR/clubebitcoinsp/events/299445213/

2024-02-26 20:10:27 CET

🔊 Seminário Socrático São Paulo Bitdevs #022!
🗓️ Quinta-feira, dia 29/02, às 18h30
📌 Na sede da Vinteum, Casa21
🤓 Hosts: @npub170d8w0jjdcjuh70lq5ppr0pcy7cfuxj6hpr00tm4et3v53j8pvrqj0chu7 e @npub1pumdyz7qfu0suamv4nrl0vcg574dtl5mwazva6nyjxhpwc4ccxxqca3ane
https://www.meetup.com/pt-BR/clubebitcoinsp/events/299443413/

2024-02-12 15:00:58 CET

Mais um Workshop Casa21, dessa vez com @plebhash ensinando tudo sobre StratumV2
Você vai aprender:
- conceitos de mineração
- história da mineração
- limitações do Stratum V1
- implementação referência Stratum V2
- mão na massa com uma Antminer S19J
https://www.meetup.com/saopaulobitdevs/events/299153073/ https://cdn.zbd.gg/ugc-uploads/b0a7a275-1707746458122.png

2024-02-09 03:42:02 CET

Tonight we had @npub1yxp7j36cfqws7yj0hkfu2mx25308u4zua6ud22zglxp98ayhh96s8c399s giving our first weekly workshop at Casa21.
He taught us how to build our own Cashu wallet. Super fun!
Watch the recording on his YouTube channel: youtu.be/xfYmwc-gnK8 https://cdn.zbd.gg/ugc-uploads/6f98bc5f-1707446521163.png

2024-01-29 14:38:43 CET

Casa21 isn't fully operational just yet, but our São Paulo Bitdevs community got an exclusive sneak peek!
While we've enjoyed meeting at coworking spaces at FIAP or USP, there's something uniquely exciting about coming together in our very own dedicated space. https://cdn.zbd.gg/ugc-uploads/03fc721c-1706535521820.jpeg

2024-01-25 19:27:05 CET

We are thrilled to announce @npub1ez8efu9rjxu64g0lalty2ffmr2tgkzjz92rkafyfyz5463wr8ars8zls5t as our third grant recipient at Vinteum. His grant period will be dedicated to contributions to both Fedimint and BDK.
https://medium.com/vinteum-org/announcing-our-third-grant-leonardo-lima-fedimint-and-bdk-0aef25512d6f

2024-01-23 20:26:18 CET

🕒😅 Better late than never, right? We've finally arrived on Nostr!