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Re:Ask HN: Am I going insane or is there genuinely no value ... by EverywhereTrip on Saturday April 23, 2022 @06:44AM (#31133044)
There is a blockchain based system for doing podcast updates called PodPing.

It reduces the overhead of checking hundreds of thousands of RSS feeds, and cuts down the time it takes for notification of new episode of a show. It can currently update everyone in the system in under 40 seconds from hitting publish.

You can watch new podcasts get published live at podping.watch.

Re:Ask HN: Am I going insane or is there genuinely no value ... by viraptor on Saturday April 23, 2022 @06:53AM (#31133115)
A single message queue piping to Google notification service can do that for podcast apps with simpler setup / more efficiency. The sad state of podcast feeds doesn't make podping a particularly good system.