% nostr, nak, cryptography, decentralized

# nak — fiatjaf's "Nostr army knife". For network commands, relay URLs go at the END.
# req filters: -k kind | -a author(hex) | -i id | -l limit | -t name=value tag | -s search

# Decode npub/note/nevent/nprofile to hex (pure local, no network)
nak decode <npub_or_note>

# Encode a hex pubkey to npub (local, no network)
nak encode npub <hex_pubkey>

# Read: last N text notes (kind 1) by an author from a relay
nak req -k 1 -a <hex_pubkey> -l <limit> <relay_url>

# Read: a single event by its id
nak req -i <event_id> <relay_url>

# Read: filter notes by hashtag tag (t=value)
nak req -k 1 -t t=<hashtag> -l <limit> <relay_url>

# Write DRY RUN: no relays at the end = prints the signed event, does NOT publish
nak event -k 1 -c "<content>" --sec <nsec_or_hex_key>

# Write & PUBLISH: add one or more relay URLs at the end
nak event -k 1 -c "<content>" --sec <key> <relay_url> <relay_url_2>

# Payment-pointer event (NIP-A3, kind 10133) — each -t 'payto=x;y' becomes ["payto","x","y"]
nak event -k 10133 -t 'payto=xmr;<your_xmr_subaddress>' -t 'payto=lightning;<your_lud16>' --sec <key> <relay_url> <relay_url_2>

# Sign via a remote bunker (NIP-46 / Amber) instead of a local --sec key — confirm exact flag
nak event --help

# Help for any subcommand (decode, encode, req, event, ...)
nak <subcommand> --help

$ relay_url: echo 'wss://nos.lol wss://relay.damus.io wss://relay.primal.net wss://relay.nostr.band' | tr ' ' '\n'