While I was critical about publishing chat content to a blockchain, I can certainly see merit in users having more control over their personal data.
Right now for example, everything sits on Tinder Inc's servers - A single point of failure, just waiting to be compromised.
I'm not even sure what is technically possible in Web3 when it comes to users remaining in control of their data, but it being completely private to the outside world.
Anyway, you've got me interested in this angle :)
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