A journal about the machinery underneath.

hashkey.bond is a technical journal on the machinery underneath every modern application: hashing, cryptography, and distributed systems.

The style is depth with receipts. Posts explain concepts by what they actually guarantee, what they cost, and where they earn their keep in real protocols — from merkle trees and key exchange to quorums, replication, and consistency models.

What to expect

• Primitives explained by threat model, not by analogy.
• Trade-offs measured in bytes, round trips, and failure modes.
• Citations to specifications and reference implementations.

Keep reading

New entries show up in the archive and the RSS feed. The site is a Next.js app served at the edge from Cloudflare Workers.