What if your agent could spend Bitcoin, but only within limits you control?
I built a hardware-backed Spark wallet for Passport Prime.
The companion app can prep payments, but Passport holds the keys, enforces policy, and asks for human approval when needed.
QnA
npub15c…xssvx
2026-07-09 15:29:20 UTC
Author Public Key
npub15c88nc8d44gsp4658dnfu5fahswzzu8gaxm5lkuwjud068swdqfspxssvxPublished at
2026-07-09 15:29:20 UTCEvent JSON
{
"id": "8ba349cc85035b4ec939cae1a05c48286387426a42aebb8d24a489e9bcf2102c",
"pubkey": "a60e79e0edad5100d7543b669e513dbc1c2170e8e9b74fdb8e971afd1e0e6813",
"created_at": 1783610960,
"kind": 1,
"tags": [
[
"r",
"wss://nos.lol/"
],
[
"r",
"wss://relay.primal.net/"
],
[
"r",
"wss://eden.nostr.land/",
"read"
],
[
"r",
"wss://nostr.mom/"
],
[
"r",
"wss://nostr.wine/"
],
[
"r",
"wss://nostr.oxtr.dev/"
],
[
"r",
"wss://nostr-pub.wellorder.net/",
"read"
],
[
"r",
"wss://offchain.pub/",
"read"
],
[
"r",
"wss://relay.0xchat.com/",
"write"
],
[
"r",
"wss://auth.nostr1.com/",
"write"
],
[
"r",
"wss://relay.snort.social/"
],
[
"r",
"wss://purplepag.es/"
],
[
"imeta",
"url https://blossom.primal.net/60607d7d4d156cb41f71b1adabced130d900950ac4b957b464348804c6ce6d8e.mp4",
"m video/mp4",
"dim 3440x1440",
"duration 356.437",
"bitrate 7658045.444215948",
"service nip96"
],
[
"client",
"Primal Web"
]
],
"content": "What if your agent could spend Bitcoin, but only within limits you control?\n\nI built a hardware-backed Spark wallet for Passport Prime.\n\nThe companion app can prep payments, but Passport holds the keys, enforces policy, and asks for human approval when needed. \n\nhttps://blossom.primal.net/60607d7d4d156cb41f71b1adabced130d900950ac4b957b464348804c6ce6d8e.mp4 ",
"sig": "c616b65a7cdb80ee718197cf0e281a25a9fc7671836c6e84807ee7b35d84dff6a5887452cf5e64fa76099f0bb8fecd7128cea38cee368c2f4f42ea68969fb2b0"
}