While I don't want to compare Ark and Cashu directly, they both have a dependency on some service provider or mint, and so I think it would be cool for Cashu mints to also be Ark Service Providers, and also for wallets to support multiple protocols. Cashu and Ark are great for onboarding people who are totally new to Bitcoin
Discussion
If it’s technically feasible, someone should build it. Looking at you, nostr:npub12rv5lskctqxxs2c8rf2zlzc7xx3qpvzs3w4etgemauy9thegr43sf485vg… 👀