Fallback Display Name

Fallback Display Name#

draft optional

When a user has no name or display_name in their kind 0 metadata, clients SHOULD display:

1. The local part of nip05 (the part before @) if available and non-empty
2. anon_<first 8 characters after "npub1"> if no nip05 is present

Examples#

npub	nip05	Fallback name
npub1qrzc3xegzwtc7jnx5snq2hr8j34ph2lp3gz3pqu549d2g04pv0pqa4n5g0	alice@example.com	alice
npub1sg6plzptd64u62a878hep2kev88swjh3tw00gjsfl8f237lmu63q0uf63m	(none)	anon_sg6plzpt
npub1xyklvwq3s0e5v7r0v8w9x0y1z2a3b4c5d6e7f8g9h0i1j2k3l4m5n6o7p8q9r0s	bob@nostr.com	bob

Rules#

• nip05 fallback: Extract the local part (before @) from the nip05 identifier
• anon fallback: Prefix anon_ + exactly 8 characters after npub1

Display Name Resolution Order#

1. display_name from kind 0
2. name from kind 0
3. Local part of nip05
4. anon_xxxxxxxx as defined above