Ethereum's Three-Fork Arc Toward a Fast, Private, Quantum-Ready State MachineThis piece reflects the state of play as of mid-September 2026.20 min read·stadolf.hashnode.devSep 18
Cross-App Access, CIMD, and the Layer Nobody AnnouncedThree identity vendors shipped the same agent auth pattern in 8 days. What CIMD and ID-JAG standardize, and the request-binding layer they leave out.15 min read·stadolf.hashnode.dev11SSep 7
Obsidian as a Control Layer for Your AI AgentA Markdown vault for your agent, synced to every device. How to set it up on hermes and openclaw, and what breaks if you skip the security parts.16 min read·stadolf.hashnode.dev1ASep 4
Your subgraph only knows half the storyFour ways to serve onchain and offchain data from one API — and what each one costs you9 min read·stadolf.hashnode.devAug 25
What Actually Runs Your NotebookMost Python developers have typed jupyter lab at some point. Far fewer could say what IPython is, or why it exists at all.7 min read·stadolf.hashnode.devAug 22
