Keep is a FROST threshold signing app and dedicated Nostr event signer for Android. It allows users to hold FROST key shares on their phone and sign Nostr events without any single device ever holding the full private key.
https://zapstore.dev/apps/naddr1qvzqqqr7pvpzp43w35zzuz82rhvvy25c09ypvykewfqms5hlrvsv52vr6ftflfuuqqtkjmewwpexjantv4uju6m9v4czuctwv3ex76tyq3quu5
npub1ac…n2tqw
2026-02-15 12:20:55 UTC
Author Public Key
npub1acr7ycax3t7ne8xzt0kfhh33cfd5z4h8z3ntk00erpd7zxlqzy3qrn2tqwSeen on
wss://relay.mostr.pubPublished at
2026-02-15 12:20:55 UTCEvent JSON
{
"id": "75b34acd63fbdf49ada3921490b0bf984d276d0c08282f6948c49f8ab4d38616",
"pubkey": "ee07e263a68afd3c9cc25bec9bde31c25b4156e71466bb3df9185be11be01122",
"created_at": 1771158055,
"kind": 1,
"tags": [
[
"a",
"32267:d62e8d042e08ea1dd8c22a9879481612d97241b852ff1b20ca2983d2569fa79c:io.privkey.keep.android",
"",
"mention"
]
],
"content": "Keep is a FROST threshold signing app and dedicated Nostr event signer for Android. It allows users to hold FROST key shares on their phone and sign Nostr events without any single device ever holding the full private key.\n\nhttps://zapstore.dev/apps/naddr1qvzqqqr7pvpzp43w35zzuz82rhvvy25c09ypvykewfqms5hlrvsv52vr6ftflfuuqqtkjmewwpexjantv4uju6m9v4czuctwv3ex76tyq3quu5 \n\n",
"sig": "4d41ef34ecd2b1c1dac0fbb0dd55e4b414bec91cb00f2e29f8e6740def1dc940be6e7c96a49505b68b811caa3b98e9aa5d08d57ab06bf0680d5876d5d60d4289"
}