I've been playing around with cashu this morning and reading up on it. It is pretty cool. The privacy aspects of it are very nice. Even just being able to temporarily utilize satoshis on an entirely different lightning node/mint and being able to pay invoices privately from that node/mint is a cool privacy use case.

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What 😳

I'm a big advocate of self custody but at the same time see the problem with on-chain fees to even get on board.

I care about systemic risk and see one in big custodians. If Binance turns into MtGox 2.0, we all will have to suffer from the fallout.

I love cashu for "Uncle Jim" nodes but worry those nodes could grow too big, too.

Is there any inherent incentive to spread out into many mints?

Are you focusing tools on this use case - small, easy to use mints? I want to join a mint run by for example 5 people I know and trust, with all transactions and minting requiring 3of5 multi sig. And I want to run a mint for my family. Kids allowance etc.