Dossier
OpenSats
Coverage of OpenSats in the Nexus archive.
- Bitcoin Red Team Finds 85 Critical Flaws Across 390 Open Source Repos After Coldcard Exploit
A Bitcoin Red Team identified 85 critical flaws across 390 open-source repositories following the Coldcard hardware wallet exploit, which resulted in over $100 million in losses. The team, led by Calle and Rob Hamilton, used AI models to audit Bitcoin-related software, uncovering 4,962 total findings, including 635 high-severity issues.
- raw₿it — Visual Bitcoin raw Transaction Builder
rawbit is an educational, open-source tool for visually building Bitcoin transactions, offering interactive features like live script execution and Python code integration. It includes 14 lessons on Bitcoin concepts and is supported by grants from Human Rights Foundation and OpenSats.