What code does Durable Objects run? Where the closure analogy works and where it doesn't

Regarding Cloudflare's Durable Objects (DO), what I still don't fully understand is what code DO actually executes. I am ...

If a screen value is blank, trace the JSON hierarchy one item at a time

When I opened a small product screen for reproduction in the lab, the price and stock were visible, but only the product name ...
techtimes

Cloudflare Workers Spectre Exploit Stole Auth Tokens 360× Faster Than Prior Attack

Researchers proved they could steal a live authentication token from Cloudflare's production serverless infrastructure using a Spectre-class side-channel attack that ran 360 times faster than the ...