Lab
Small demos that go with the case studies.
- Concentrated-liquidity range demoMy re-creation of the concentrated-liquidity math behind a position simulator. Pick a range, a deposit and an ending price, and the PnL curve redraws.Try it
- Solana transaction size demoAddress lookup tables shrink a Solana transaction. Glacis Airlift used them in 2025 to get its larger bridge transfers under the v0 size limit.Try it
- Last-card demoTwo buyers try to buy the last card at the same moment. Without a lock, the checkout charges them both.Try it
- Cinder Wallet signing walkthroughFollow a signing request through Cinder Wallet, from the web page to the keyring, with the code for each step. MIT licensed, not audited.How it’s built