Jameson Lopp writes long-form essays on Bitcoin protocol debates, privacy, and freedom, including a multi-part series on quantum risk and a historical post mortem of BIP-110. Readers get a strongly argued, well-sourced personal perspective on Bitcoin governance and security, with occasional personal reflections.

Proof Street reports on privacy technology, including selective disclosure in Zcash, confidential computing and the architectures behind confidential blockchain transactions. It examines how vendors and standards bodies define terms like 'encrypted in use' and how privacy features work in practice.

Original analysis and research write-ups on cybersecurity, cryptography, privacy and tech policy, including hands-on experiments with AI and critiques of EU regulation. Readers get expert-led, opinionated commentary on emerging security threats and their policy implications.

Technical deep dives into cryptography, post-quantum algorithms and machine learning, often with runnable code on GitHub. The author explains the underlying math and challenges common misconceptions, such as what 'provably secure' really means.