Does it need to be an ETF? Would a simple Bitcoin only exchange like nostr:nprofile1qqstdpjuhre0ddxkqany0hn2raztsxp5n7r2tlwtg7wl2hftzncfxhqpp3mhxue69uhkyunz9e5k7qg4waehxw309ajkgetw9ehx7um5wghxcctwvs6ehc8q be acceptable? (I don't know of US equivalents). That way they don't have ongoing management fees, and it's easy to withdraw the asset directly once they have had time to learn and appreciate it.