Rare updates like this, for example… tying a decentralized DNS to a relay that holds a list of all the relays you write to. Would only need to pay an on-chain fee if that first relay you chose goes down.

nostr:note1qfx3dwn603azphw7t7njkl44t60d80v0txeymakz4dyx4v9wmdpqfq9xya