What is keychat? I have never heard of this before.
Discussion
This is crazy!
I don't understand how this works. I understand e2e encrypted messages and relays, but when has a relay needed incentive to deliver the message?
Can a paid relay do a better job than a free one?
Relay operators need revenue to cover server costs and other expenses.
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How do we know what the favoured minimum stamp is? Is it 1 estamp = 1 message rather than 1 sat? Are you buying estamps from relays specifically?
Do we get to pick a path? If there's only 1 relay, then isn't there IP tracking and behaviour/timing tracking risks?
There will be market competition among relays, resulting in the market price of estamps.