nostr-authAuthenticate to Nostr sign-in challenges (NIP-07 style) without a wallet or browser extension. Signs kind-22242 AUTH challenge events with a secp256k1 (BIP-340) key derived from a local master secret and optionally submits them to the service callback. Use when a site or API asks for a signed Nostr event to prove key ownership. More methods coming: NIP-98 HTTP Auth, NIP-42 relay AUTH, NIP-05.
lnurl-authAuthenticate to LNURL-auth (LUD-04) services without a wallet, node, or payment. Use when a site provides an lnurl1... challenge for Sign in with Lightning.