Andreas Schjønhaug

Developer in Oslo working on Bitcoin, self-hosted software, and practical tools.

I build open-source software and write about Bitcoin, privacy, and development.

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Self-hosted Bitcoin monitoring with transaction alerts, intelligent balance notifications, and watch-only security.

Visit Canary View source on GitHub

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  1. Why Dice-Only Coldcard Seeds Were Unaffected by the RNG Bug

    Independent tools, historical source, and tests on affected Coldcard firmware show that 99-roll dice-only seeds bypassed the affected firmware randomness path.

  2. Bitcoin’s Safeguard Against Monopoly Seigniorage

    A fundamental aspect of Bitcoin lies in its ability to thwart monopoly seigniorage—a scenario where a single entity profits from the issuance of new currency. Traditional monetary systems, governed by central authorities, can face challenges such as inflation and economic instability due to unchecked money printing. Bitcoin, in contrast, is purposefully structured to prevent any singular entity from monopolizing the creation of new coins, contributing to a more stable and transparent monetary framework.

  3. Promoting privacy and censorship resistance in Bitcoin Core

    How to run nodes as a dual hidden services on Tor and I2P