Imagine Keychat Wallet supporting both an Ark wallet and a Cashu wallet.

Most funds would be kept in the Ark wallet, while the Cashu wallet balance would be automatically kept at 1,000 sats.

If the Cashu balance drops below 1,000 sats, Ark sats would be automatically converted into Cashu sats; if it rises above 1,000 sats, Cashu sats would be automatically converted back into Ark sats.

That way, a user’s maximum loss from a Cashu mint failure would be limited to 1,000 sats.