Melvin Carvalho

Melvin Carvalho @melvincarvalho

About: Mathematician and web developer

Joined:
Aug 6, 2020

Melvin Carvalho
articles - 18 total

Blocktrails: Smart-Contract Functionality - On Bitcoin, No Extra Token Needed

Picture a relay-race baton hurtling around a track. Before each hand-off the runner stamps the baton...

Learn More 0 0Jun 24

🕶️ Introducing Shade: Taproot-Based Messaging in the Post-Surveillance Web

“Freedom of speech requires freedom of whisper.” We live in an era of networked everything — and...

Learn More 0 0May 28

Threadlocks: One-Time Commitments with Bitcoin and Nostr

What if you could make a promise, cryptographically bind it to Bitcoin, and close it forever with...

Learn More 0 0May 18

What Does `did-nostr` Do?

🧭 What Does did-nostr Do? did-nostr is a DID method that brings decentralized identity to...

Learn More 0 0Apr 2

Sketch: Selling Digital Art with DID-Nostr, Bitcoin, and Nostr

Sketch: Selling Digital Art with DID-Nostr, Bitcoin, and Nostr The fusion of digital...

Learn More 2 0Mar 29

Trustless Bitcoin Swaps with DID, Nostr, and HTLCs

🤔 The Problem Say Alice wants to send 100,000 sats to Bob. But: Alice only has on-chain...

Learn More 0 0Mar 28

How to Fix Cursor AppImage Not Running on Ubuntu 24.04

How to Fix Cursor AppImage Not Running on Ubuntu 24.04 (AppArmor Solution) If you just...

Learn More 6 0Mar 6

Could Nostr Subkeys Replace GPG? A Simple, Powerful Alternative for the Modern Web

For decades, GPG (GNU Privacy Guard) has been the go-to tool for secure messaging, signing, and...

Learn More 0 0Feb 26

Nostr-Passport: A Step Towards Infinite Storage

In the evolving digital landscape, Nostr-Passport presents itself not as a spectacle but as a humble...

Learn More 3 0Oct 7 '23

Smart Events (Contracts) Over Nostr: A Consensus-Based Approach

Introduction: In this blog post, we'll explore the concept of smart events (contracts)...

Learn More 1 0May 7 '23

Run a Nostr Relay on Your Phone with Termux and Fonstr

Explore a World of Possibilities: Run a Nostr Relay on Your Phone with Termux and Fonstr Stay...

Learn More 10 1May 7 '23

Introducing NosDAV: The Powerful Integration of Nostr and WebDAV for Efficient Data Storage

Introduction When Relays Fall Short, NosDAV Bridges the Gap with Cloud Solutions The...

Learn More 1 0Apr 16 '23

The Web - A Brief History

Web 1.0 The web was proposed in 1989, by Tim Berners-Lee but had been conceived decades...

Learn More 1 2Jan 28 '23

Autonomous Agents

An autonomous agent is a computer program that is able to act on its own, without any human...

Learn More 3 0Aug 13 '22

The Nostr Protocol - NIP01

What is Nostr? Nostr stands for "Notes and Other Stuff Transmitted by Relays". It is a...

Learn More 15 2Jan 27 '22

How to Get a List of dev.to Posts From the API

Overview I've decided to download my dev.to posts so that I can store them in git. That...

Learn More 57 0Nov 27 '21

Adding Gitmark to lazygit

Gitmark is a way to mark your git commits to achieve finalization Lazygit is a useful tool for those...

Learn More 2 0Nov 26 '21

Introducing Linked Objects

What is a Linked Object? A linked object is is an object which you get from an URL, the...

Learn More 5 0Aug 7 '20