I think the Deezy guy isn't making any money, it's just an altruistic service.
Actually I talked with Danny about the idea to create on-chain -> LN swap service..
I have this idea because of blue wallet which need 3 conf to refilling LN channel.
This feature can help deezy get on-chain btc, then it can sell inbound liquidity to other users.
With buying cheap inbound liquidity and sell high strategy, he can make money..
Deezy is a good service and I love to use it!
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And they have an API that could be used for many wallet apps.
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