• Implementation
• Server set
• Wire format
• Verifying live
• Diff
• Cross-client reference set

A small PR against eskema/alphaama adds Namecoin .bit NIP-05 resolution to the existing NIP-05 verification path. Identifiers ending in .bit (e.g. m@something.bit, or bare something.bit) get resolved against Namecoin via ElectrumX over WSS; everything else still goes through NostrTools.nip05.queryProfile exactly as today.

PR: https://github.com/eskema/alphaama/pull/9

§Implementation

Single new file: aa/fx/namecoin.js (~165 lines incl. comments)

• aa.fx.is_bit_nip05(s) — cheap suffix check, callers branch on it
• aa.fx.nip05_namecoin(s) — drop-in for nip05.queryProfile(s)
• aa.fx.namecoin_resolve(key) — blockchain.name.show over wss, 5-min cache
• aa.fx.electrumx_name_show(url, name) — one-shot wss JSON-RPC

Two hook points (one line each, default path unchanged):

• p/p.js aa.p.check_nip05 — .p check <name@domain> CLI + profile UI
• u/u.js setup flow — login by NIP-05 identifier

Matches alphaama’s existing style: vanilla JS, snake_case, Allman braces, hangs off the global aa.* namespace, no build step, no module dance.

§Server set

Browser-WSS subset of the canonical six ElectrumX servers, mirroring Amethyst’s DEFAULT_ELECTRUMX_SERVERS:

• wss://electrumx.testls.space:50004
• wss://nmc2.bitcoins.sk:57004
• wss://relay.testls.bit:50004
• wss://electrum.nmc.ethicnology.com:50004

Bare-IP entries from the canonical set are skipped because browser WSS needs SAN-matched certs — they’d need TLSA TOFU pinning (separate NIP-track work) to be usable from a browser.

§Wire format

Covers the three nostr value shapes specified by ifa-0001 Domain Name Object:

• bare hex pubkey
• {pubkey, relays}
• {names: {<local>: <pubkey>}, relays}

Plus shallow one-hop import walking and map sub-label descent. Tries d/<name> first, then id/<name>.

§Verifying live

.p check mstrofnone.bit

§Diff

+219 / -3 across 4 files:

• aa/fx/namecoin.js (new)
• aa/aa.js (+1)
• p/p.js (+4 / -2)
• u/u.js (+2 / -1)

§Cross-client reference set

• nostr-tools PR nbd-wtf/nostr-tools#533 (open)
• jumble PR CodyTseng/jumble#774 (open)
• nostrudel PR hzrd149/nostrudel#352 (open)
• ants PR dergigi/ants#281 (open)
• nostrmo PR haorendashu/nostrmo#33 (open)
• nostur PR nostur-com/Nostur#60 (merged)
• dart-nostr PR ethicnology/dart-nostr#44 (merged)
• Amethyst (Kotlin/Android, multiple merged): quartz/.../nip05DnsIdentifiers/namecoin/

Eighth shipping N1 reference implementation across five runtimes, now including a vanilla-JS web client with no build step.