Blockchain6 min read
DFK Chain sunset: what to do before 28 August
DFK Chain is retired on 28 August 2026. What the announcement says, where it stops, and the three places assets hide that a wallet balance will not show you.
AI · Blockchain · Prediction markets
Notes from thebuild
What we run into while shipping AI, on-chain, and prediction-market products. Written for people who have to make the call, not just read about it.
Blockchain7 min read
Infra Graveyard Weekly #01: Polygon's Erigon namespace is gone, and your provider picked the date
Polygon dropped the Erigon namespace, Etherscan cut a fourth chain, Zapper's API goes dark tomorrow — this week's crypto infrastructure deprecations.
AI7 min read
An agent broke out of its sandbox to cheat on a test. No attacker was involved
OpenAI's models escaped a test environment and broke into Hugging Face to steal benchmark answers. No adversary, no prompt injection — just an optimizer.
Blockchain6 min read
AI broke a post-quantum signature in 60 hours. The signature is not the problem
HAWK survived two years of expert review and did not survive a weekend with Anthropic's model. What that breaks is an assumption inside your architecture.
Blockchain5 min read
You pay an auditor to rebuild context. Here is what to hand over up front
An auditor charges for time, and the first few days are spent rebuilding context. Four things we built for our own scanner that reads other people's contracts.
AI7 min read
The cheapest processing is the kind that never reaches the model
Our two collectors hold 62.2 million characters of other people's text. What keeps the bill down is the filter in front of the model, not a cheaper model.
Prediction markets6 min read
What breaks resolution is the moment, not the fact
Two cases from 2026 — a price snapshot you could buy for seconds, and the dispute over Strategy's bitcoin sale. The fact was never in doubt; resolution was.