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secretSecp

by Marc

Install secretSecp

Download Zapstore

Download
QR code for zapstore.dev/download
  • Scan the code with your phone’s camera
  • Tap Download anyway if the browser warns about the file
  • Allow your browser to install unknown apps if Android asks
  • Open Zapstore and finish the onboarding

Open secretSecp in Zapstore

Open
QR code to open secretSecp in Zapstore
  • Scan the code to open secretSecp in Zapstore, or search for it there
  • Tap Install, and Download if Zapstore asks you to confirm the developer
  • Confirm in Android’s install dialog. Allow Zapstore to install unknown apps if Android asks

Claimed by the developer

Marc cryptographically proved they hold the key that signs secretSecp. The claim is a signed proof on Nostr, tied to the certificate below.

Developer
Marc
Developer key
npub1marc26z8nh3xkj5rcx7ufkatvx6ueqhp5vfw9v5teq26z254renshtf3g0
Signing certificate
8a18b754b3cb08c7014aceab743b86d21ba4ac963b059694e583334fda2b40a7
APK checked by
relay.zapstore.devIt read the APK and found it signed with this certificate before listing the release.
Claim published
Oct 31, 2026
Valid until
Oct 31, 2027
Proof event
98f8f77367a448a28f7805893f68ab4efc144f64485133a4a7b6d7a2a2fd6913in relay.zapstore.dev
How trust works

A standalone tool that converts a Nostr nsec private key into a NIP-49 ncryptsec format. It protects your keys by encrypting them with a passphrase, allowing you to securely store and manage your Nostr identity credentials.

Standalone Android app that turns a Nostr nsec into a NIP-49 ncryptsec

Summary generated by Zapstore from source.

Original description, as the developer published it.

Zap secretSecp

Zapping anonymously. Sign in to zap with your identity.

Sats go to npub1marc2…htf3g0, the developer who signed the app’s certificate proof.

Amount in sats

Stacked in

Latest release

Oct 31, 2026
Claimed app No Google servicesNo source

It asks for no sensitive access.

Release notes

Initial release: NIP-49 ncryptsec encryption for Nostr nsecs.

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Get secretSecp the private way

Updates checked on your device, and every release verified before it installs.

Get Zapstore for Android

  1. Tap Download APK below.Scan the code with your Android phone’s camera.
  2. If Android asks, allow your browser to install unknown apps.
  3. Open Zapstore and finish the onboarding.
Download APK

v2.0.4 · 71.2 MB · Android 10+

Verify the download

On a computer, run shasum -a 256 <the file you downloaded>. It should print: b13e01319fecf0b3ba1fd60132758bd0fa08a235836c52d44fddb412cf1b7137

If you have zsp, Zapstore’s publishing tool, zsp utils extract-apk <the file you downloaded> works too. Its hash should be the same SHA-256: b13e01319fecf0b3ba1fd60132758bd0fa08a235836c52d44fddb412cf1b7137

On the phone, AppVerifier should show this signing certificate: 99e33b0c2d07e75fcd9df7e40e886646ff667e3aa6648e1a1160b036cf2b9320

Source code All releases and notes

Get zsp

  1. Download the file for your computer.
  2. Make it executable and put it on your PATH.
  3. In your project folder, run zsp.

Have Go? This does the same:

go install github.com/zapstore/zsp/v2/cmd/zsp@latest
macOS, Apple silicon Linux, x86-64 Linux, arm64

v2.0.1 · macOS and Linux

Verify the download

On your computer, run shasum -a 256 <the file you downloaded>. It should print the SHA-256 for the one you chose.

macOS, Apple silicon · 18.6 MB 99018fb9744e5ace2b44557550dc333496239912c0e9b1137266d4922c803346

Linux, x86-64 · 23.8 MB 1ef5373f8ecd9ba63d2c3fab98abb0d31b2244a2aac31b3749fb205c7d5f5b38

Linux, arm64 · 22.1 MB e421005ee47cba58293dce4277bb784e4cfe706dbbcb8617d671629d0238be18

Source code All releases and notes