Skip to content

9 articles

Privacy

Privacy8 min read

bitchat tutorial: how to keep communicating when the internet or social media is censored

bitchat passes messages from phone to phone over Bluetooth, with no internet, no account and no phone number. Installing it, the public chat, encrypted private messages, verifying contacts, the emergency wipe and the app's limits: the full tutorial, on video and step by step.

Bitcoin6 min read

Bull Bitcoin drags DAC8 before the Conseil d’État to have it canceled and draws a line in the sand

Bull Bitcoin announces that it has brought the French decree transposing DAC8 before the Conseil d’État, even though the company has just obtained its MiCA authorization. Behind this apparent paradox, Théo Mogenet, Managing Director of Bull Bitcoin Europe, defends a simple line. A Bitcoin platform can accept entering the European framework, without accepting that compliance becomes the systematic collection of sensitive data.

Lightning20 min read

What Is the Lightning Network? Bitcoin's Payment Layer Explained

The Lightning Network is Bitcoin's payment layer, enabling instant, low-cost transactions without compromising decentralization. Discover why it exists, how it solves Bitcoin's scaling limits, and whether it is a viable long-term solution or just an intermediate step in Bitcoin's evolving monetary infrastructure.

Lightning5 min read

What Is E-Cash? David Chaum’s Confidential Transaction Protocol on Bitcoin

E-Cash is making a comeback in the Bitcoin ecosystem through protocols like Cashu and Fedimint. At its core lies an older idea: enabling digital payments that are as private as physical cash, without exposing every transaction to a public ledger or a centralized intermediary.

Layer 2

What Is Liquid Network? How L-BTC Works and Its Limits

Liquid moves L-BTC and issued assets on a blockchain separate from Bitcoin, with hidden amounts and fast confirmations. These features depend on a federation, whose role matters when assessing how much control you retain over your funds.

Layer 25 min read

What is RGB, the ultra-scalable and highly confidential Bitcoin Layer 2?

Bitcoin was designed as a robust and decentralized monetary system, but its architecture naturally limits the complexity of applications built directly on its blockchain. For several years, different solutions have attempted to extend its capabilities without modifying its core rules. The RGB protocol follows this approach, with a radically different design: moving contract execution off-chain while preserving Bitcoin's security.

Bitcoin7 min read

How to Take a Bitcoin-Collateralized Loan While Preserving Your Privacy

Preserving privacy while accessing Bitcoin-collateralized loans is vital for digital sovereignty. This guide offers practical steps to use Lendasat privately, protecting identity, transaction history and on-chain activity.

Sovereignty14 min read

What is Nostr? Everything you need to know about this protocol dedicated to decentralized social networks

Nostr is a truly decentralized protocol that serves as the foundation for a new kind of social network. Thanks to an innovative architecture, this protocol allows users to control their data and resist censorship, without relying on centralized servers. What Web3 promised but didn’t deliver, Nostr achieves. Discover how it works.

Bitcoin20 min read

The Bitcoin Revolution in Iran

In this report, I explore the increasing use of Bitcoin by Iranians, a population facing economic challenges as well as censorship from their government and foreign powers. My goal is to depict how Bitcoin serves as a tool for protecting freedoms and preserving value in a complex economic and political context.