cordn is *real* MLS encrypted messaging over Nostr. that link is to one of the groups I've created, and specifically for the staircase web client that nostr:npub10npj3gydmv40m70ehemmal6vsdyfl7tewgvz043g54p0x23y0s8qzztl5h is building (with help from me and others). there is also an official cordn web...