Mint, Melt, Repeat: Interactive E-cash for Bitcoiners at @TABConf 8 - Oct 12-15, 2026 ATL Explained the basic crypto behind modern E-cash and the Cashu protocol proposed by @calle. I fast coded a cashu wallet in stage, but you can check a more structured material at

GitHub

GitHub - edilmedeiros/cashu-workshop

Contribute to edilmedeiros/cashu-workshop development by creating an account on GitHub.

Feedback and PRs are super welcome to make this the best introductory cashu workshop/workbook.

Vibe coding is the cheap Chinese plastic gadget factory of the digital world.

The more I see people talking on the internet, the more convinced I get that explaining is a talent, not only a skill.

Bitdevs Porto Alegre essa semana!

Meetup

Porto Alegre Bitdevs - Seminário Socrático de Bitcoin #09, Thu, May 22, 2025, 7:00 PM | Meetup

Nona edição do Porto Alegre BitDev, no Senge (Av. Érico Veríssimo, 960 - Menino Deus). Agradecemos à [Vinteum](https://vinteum.org/) e à [Go...

Would you take a Bitcoin protocol course with the following lecture plan? What am I missing?

GitHub

GitHub - edilmedeiros/bitcoin-course

Contribute to edilmedeiros/bitcoin-course development by creating an account on GitHub.

--- **Part 1: Money, Bitcoin, and the Need for Decentralization** 1. What is Money? Why It Breaks 2. Decentralization and Its Challenges 3. Bitcoin’s High-Level Architecture **Part 2: Cryptographic Foundations for Bitcoin** 4. Finite Fields and Modular Arithmetic 5. Elliptic Curves and secp256k1 6. Digital Signatures: ECDSA and Schnorr 7. Cryptographic Hashes **Part 3: Understanding Bitcoin Transactions** 8. Transaction Serialization Basics (Legacy) 9. Bitcoin Script Language: Stack Semantics and p2pk 10. Bitcoin Script Contracts: p2pkh and p2sh 11. Transaction Malleability: The Problem and Motivation for SegWit 12. SegWit Transactions: p2wpkh and p2wsh 13. Advanced Script Features (Optional/Buffer) **Part 4: Wallets — From Keys to Usability** 14. Private Keys, Public Keys, and Addresses 15. Mnemonics and BIP39 16. Hierarchical Deterministic Wallets (BIP32) 17. Wallet Architecture and Security Models **Part 5: Mining, Proof of Work, and Settlement** 18. Proof of Work and Mining 19. Merkle Trees and Blockchain Structure 20. Chain Splits, Reorgs, and Settlement Assurance **Part 6: Second Layers and the Future of Bitcoin** 21. Bitcoin's Security Guarantees 22. Conceptual Introduction to Lightning Network 23. Other Scaling Visions and Open Problems

Vai ter Bitcoin na universidade pública. Será que sai uns bitcoiners daí? BTW, você pode assistir às minhas aulas no YouTube: https://youtube.com/@edilmedeiros?si=HGAVqLEjRi72MmlH

Quando eu digo que pra um advogado que ele PRECISA aprender o mínimo sobre o funcionamento da Internet, sempre recebo algum sarcasmo de volta. Até a hora que passa uma vergonha dessas… Sem enforcement, não existe lei. E na Internet, poucas coisas podem ser de fato enforced.

Have you watched Game of Thrones? It's a fictional representation of what happened in all times and places: small folk have nothing to do and, apart from making jokes, care very little for the quarrels and plots of rulers. Rulers are capable of turning its people outlaws and impose unfair punishment over them for supposed crimes they didn't participate. But after sufficient time, what happens? Either bloodier plots or a war.

Que lama jurídica.