Field notes.
Exploit chains, blockchain security and the occasional physics problem. Longer than a tweet, shorter than a paper — and written mostly to work out what I actually think.
3 posts · newest first
Why I read exploits backwards
Start at the drained wallet, not the bug. Reading an exploit chain in reverse is the fastest way to understand what actually went wrong.
The block that wasn't there
A blockchain is a database with strong opinions about history. Most of its bugs come from the places where those opinions aren't enforced.
A physics degree, for fun
Notes from doing a part-time BSc in Physics and Chemistry while working full time — why I started, and what it actually costs.
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