Notes & experiments
The garden.
Things learned, ideas explored, and useful details kept along the way.
All notes
49–60 of 170
- An EIP712 multisignature request experiment
Typed request fields and domain separation, with the historical quorum and replay defects left explicit.
Blockchain - An Evmos-based local chain notebook
A historical Evmos CLI 20.0.0 experiment with single-node, multi-node, explorer, and monitoring roles.
Cloud & systems / Blockchain - An old Android annotation-processor Gradle migration
A recorded workaround for a build-script failure around the Android Gradle plugin 3 transition.
Mobile & interfaces - An older Android ProGuard and Gson configuration
Release minification, reflection metadata, and the dependency versions behind a historical setup.
Mobile & interfaces - An older BitcoinJS wallet-generation experiment
Key generation, two address forms, and explorer lookups from an earlier testnet example.
Blockchain - An older contract-voting application's signing boundaries
A Solidity 0.4.21 demo and three ways to connect a UI, signer, and event listener.
Blockchain - An older Dio cookie-persistence and XSRF example
The relationship between a stored session cookie, an XSRF header, and asynchronous client initialization.
Mobile & interfaces / Cloud & systems - An older Docker-on-Ubuntu installation notebook
Repository codenames, container inspection, and the destructive cleanup commands in a historical setup.
Cloud & systems - An older Express and Multer upload example
Disk storage, one-file and named-field uploads, and the validation missing from a small demonstration.
Cloud & systems - An older Express-on-Netlify build layout
Two netlify-lambda directory arrangements and the difference between function output and a site's publish directory.
Cloud & systems - An older Flutter fullscreen lifecycle snippet
Hiding system overlays on entry and restoring a state on disposal in an earlier API.
Mobile & interfaces - An older Flutter image-picker interaction
Permission descriptions, source selection, cancellation, and the application's avatar-upload boundary.
Mobile & interfaces