Articles
158 articles
The Couriers Knew
Centuries before encrypted email existed, merchants and dissidents moved letters and packages through private courier networks that outran every imperial monopoly.
Twenty-Four Words for an nsec
Every Nostr private key ever generated can be losslessly encoded as twenty-four words, recovered byte-for-byte forever, stamped onto Bitcoin steel plates.
The Cost of Borrowed Maps
Google Maps charges you in surveillance on every trip. OpenStreetMap and Organic Maps let your phone route locally, third parties excluded.
Protocol First, Library Second, Application Third
The zkSNACKs coordinator died because we ran the only one; Wasabi the client survived because that layer was protocol-shaped, not operator-shaped.
Building the Parallel Economy
Praxeology joins cypherpunk cryptography: privacy is a fact of action, a defensible norm, and a buildable property under pressure.
Trust and Dispute in the Parallel Economy
Tools move bits and settle payments. Reliability over time and adjudication of broken deals remain unbuilt institutional work.
Implementation Strategy
Privacy implementation is progressive. Each tier addresses a different adversary and stops where its threat model is covered.
Operational Security
Cryptography fails when humans fail. OPSEC ties each defense to a specific adversary and sustains the discipline over time.
Decentralized Social Infrastructure
Nostr moves identity from platform databases into user-held keypairs, so a ban no longer deletes the social graph.
Bitcoin Privacy and Monetary Layers
Bitcoin's base layer is transparent by design. Privacy on Bitcoin is an architectural achievement built in layers above it.
Bitcoin as Sound and Resistant Money
Bitcoin's monetary rules hold because every full node validates blocks against them. A chain that breaks them carries no value.
Bitcoin and the Digital Money Breakthrough
Nakamoto solved double-spending without a central operator and produced base money instead of another claim on an issuer.
The Unsellable Identity
Nostr accounts cannot be sold because sellers cannot prove they forgot the private key, which collapses the market for reputation handoffs.
Anonymous Communication Networks
Content encryption hides what was said. The transport layer leaks who is communicating with whom, enough for targeting decisions.
Computing on Secrets
Homomorphic encryption, MPC, and trusted enclaves each run a computation on inputs the executing party is not permitted to see.
Zero-Knowledge Proofs
Zero-knowledge proofs separate what is verified from what is revealed, ending the forced choice between participation and privacy.
Cryptographic Foundations
Cryptography shifts trust from institutions to mathematics, and that shift carries every privacy primitive the book later builds.
The Crypto Wars
Crypto controls failed against builders, held against defaults, and locked in the two-tier privacy equilibrium thirty years later.
The Analytics Stack
Commercial firms assemble surveillance no agency could lawfully build, and the state buys the output as a service.
Corporate Surveillance and Data Extraction
Corporate data extraction inverts the market: the advertiser is the customer, and the user supplies the raw material.