What is NIP-05
The NIP-05 identifier is an easier way to find your public key profile. Just like email addresses, many people can have the same NIP05 name (e.g. Alice), but not on the same domain (e.g.
Iris saves the notifications and DM threads' last seen timestamp for easier client synchronisation.
Iris may not work with ws: but only with wss: (using webcrypto api). Browsers don't let you connect to a non-secure address (ws) if the page is loaded from a secure origin (https).