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So how is the initial peer discovery happening again? Isnt that part centralised problem? Any suggestions how to solve it?

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That depends on what exactly the concerns of the browser vendors are. They could just expose UDP sockets and ask for a "access the internet" permission like android apps do. But they don't, which aiui mostly is due to security concerns .

Most people aren't interested in decentralized peer discover because it doesn't cost much in bandwidth and it doesn't need low latency.

AFAIK the only benefit of decentralized peer discovery is to be resilient to censorship.

> AFAIK the only benefit of decentralized peer discovery is to be resilient to censorship.

No, not really. One example where it's not about censorship is offline scenarios, but connected to the same network. If there is a central, upstream server for discovery, you won't be able to find other peers. If the discovery works offline/locally (as with Bonjour/mDNS), you can still find other peers. So it has a lot of value.

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