For patreon it's trust based. Each contributor gets a mail with a link to a private rss feed they have to enter in their podcast app - and you're not supposed t

For patreon it's trust based. Each contributor gets a mail with a link to a private rss feed they have to enter in their podcast app - and you're not supposed to share that with anyone. I would assume the platform has some measures if it discovers a lot of downloads or requests from very different geolocations too - but that's just me speculating.