# Developers **URL:** https://community.foundation.xyz/c/developers/13.md [Latest](https://community.foundation.xyz/latest.md) · [Categories](https://community.foundation.xyz/categories.md) · [Tags](https://community.foundation.xyz/tags.md) --- ## [About the Developers category](https://community.foundation.xyz/t/about-the-developers-category/1007)
**Author:** [@qna](https://community.foundation.xyz/u/qna)\ **Replies:** 0\ **Last updated:** [April 9, 2026, 6:14am UTC](https://community.foundation.xyz/t/about-the-developers-category/1007 "2026-04-09T06:14:14Z")
A space for developers building with, or contributing to our open source tools. --- ## [Password Manager App POC](https://community.foundation.xyz/t/password-manager-app-poc/1061)
**Author:** [@qna](https://community.foundation.xyz/u/qna)\ **Replies:** 5\ **Last updated:** [September 27, 2026, 1:13pm UTC](https://community.foundation.xyz/t/password-manager-app-poc/1061 "2026-09-27T13:13:55Z")
Another proof-of-concept output from QnAI Labs for Passport Prime thanks to Claude and the KeyOS SDK. • Generate and save passwords securely offline on Prime • Connects via an amnesic browser extension • Fill saved pa… --- ## [New SDK App - SEEDXOR](https://community.foundation.xyz/t/new-sdk-app-seedxor/1228)
**Author:** [@qna](https://community.foundation.xyz/u/qna)\ **Replies:** 1\ **Last updated:** [September 25, 2026, 12:22pm UTC](https://community.foundation.xyz/t/new-sdk-app-seedxor/1228 "2026-09-25T12:22:52Z")
The app splits one BIP39 seed into two, three or four parts, each of which is an ordinary seed in its own right. Any part can be written down as words or transcribed as a SeedQR. Load the parts back in any order and you … --- ## [Request / Inquiry - Advanced NFC Functionality for NFC-focused wallets](https://community.foundation.xyz/t/request-inquiry-advanced-nfc-functionality-for-nfc-focused-wallets/1245)
**Author:** [@RadRedRover](https://community.foundation.xyz/u/RadRedRover)\ **Replies:** 3\ **Last updated:** [September 16, 2026, 6:53pm UTC](https://community.foundation.xyz/t/request-inquiry-advanced-nfc-functionality-for-nfc-focused-wallets/1245 "2026-09-16T18:53:19Z")
Looking for a sanity check before opening a GitHub issue on KeyOS. I’m exploring building a Passport Prime app that would help with Bitkey multisig exit / offline recovery (or potentially, act as a dedicated secondary c… --- ## [Starter Contributions](https://community.foundation.xyz/t/starter-contributions/1243)
**Author:** [@rift](https://community.foundation.xyz/u/rift)\ **Replies:** 1\ **Last updated:** [September 14, 2026, 5:43am UTC](https://community.foundation.xyz/t/starter-contributions/1243 "2026-09-14T05:43:31Z")
Hello, I’m a Rust programmer and I’m interested in Foundation devices. I want to contribute to KeyOS, but I’m having trouble finding an issue or feature that’s not too broad in scope. Any ideas or suggestions of what to … --- ## [The Passport Prime App Showcase continues to grow](https://community.foundation.xyz/t/the-passport-prime-app-showcase-continues-to-grow/1115)
**Author:** [@Amy](https://community.foundation.xyz/u/Amy)\ **Replies:** 6\ **Last updated:** [September 9, 2026, 5:27am UTC](https://community.foundation.xyz/t/the-passport-prime-app-showcase-continues-to-grow/1115 "2026-09-09T05:27:10Z")
This week we’re shining a light on @SalvaG who’s built 7 apps for Passport Prime. :eyes: Here’s what he’s built: :key: BIP-85 – derive wallets, keys, passwords, and entropy from your existing seed :memo: Chain Note… --- ## [Not a dev. Made an app](https://community.foundation.xyz/t/not-a-dev-made-an-app/1216)
**Author:** [@Colonizer](https://community.foundation.xyz/u/Colonizer)\ **Replies:** 17\ **Last updated:** [September 7, 2026, 4:23am UTC](https://community.foundation.xyz/t/not-a-dev-made-an-app/1216 "2026-09-07T04:23:41Z")
I’m not a professional developer and I don’t have a dev unit. However, with the latest SDK and beta firmware on Prime, I’ve made a simple markdown text editor/viewer. There are some limitations with what can be rendered … --- ## [NFC export for third-party apps?](https://community.foundation.xyz/t/nfc-export-for-third-party-apps/1208)
**Author:** [@SeedHammer](https://community.foundation.xyz/u/SeedHammer)\ **Replies:** 5\ **Last updated:** [August 20, 2026, 10:15am UTC](https://community.foundation.xyz/t/nfc-export-for-third-party-apps/1208 "2026-08-20T10:15:43Z")
Dear Foundation team, first of all, a big thank you and congratulations. The Prime deserves its name - Design, size, sturdiness, build quality - top notch! Really Following the channel discussion in topic 1196, a ques… --- ## [First time sideloading one of my apps on the new beta!](https://community.foundation.xyz/t/first-time-sideloading-one-of-my-apps-on-the-new-beta/1196)
**Author:** [@MikeGotBtc](https://community.foundation.xyz/u/MikeGotBtc)\ **Replies:** 4\ **Last updated:** [August 17, 2026, 4:14pm UTC](https://community.foundation.xyz/t/first-time-sideloading-one-of-my-apps-on-the-new-beta/1196 "2026-08-17T16:14:01Z")
Just got my first self-built app onto the Passport Prime running the new beta (1.4.0-beta1) — and the whole flow worked great. Developer mode → Allowed Publishers → add my publisher cert → Install App → app launches. Hug… --- ## [Developer unit not booting/charging - fixed](https://community.foundation.xyz/t/developer-unit-not-booting-charging-fixed/1021)
**Author:** [@Owen](https://community.foundation.xyz/u/Owen)\ **Replies:** 2\ **Last updated:** [August 13, 2026, 8:15am UTC](https://community.foundation.xyz/t/developer-unit-not-booting-charging-fixed/1021 "2026-08-13T08:15:15Z")
Hey all, A quick heads-up for everyone who received a Passport Prime developer unit. Your unit is fully provisioned and ready to use, but we’ve intentionally left it unsealed so you can get inside if you need to. A few… --- ## [Liana Miniscript App POC](https://community.foundation.xyz/t/liana-miniscript-app-poc/1095)
**Author:** [@qna](https://community.foundation.xyz/u/qna)\ **Replies:** 1\ **Last updated:** [August 8, 2026, 2:13pm UTC](https://community.foundation.xyz/t/liana-miniscript-app-poc/1095 "2026-08-08T14:13:12Z")
Quick demo of a proof-of-concept I have been building: a policy-aware Liana Miniscript signer that runs natively on Passport Prime. Liana stays the wallet and builds the transaction; Passport just registers the descripto… --- ## ["Tamper Detected" Loop while trying to do a Factory Reset](https://community.foundation.xyz/t/tamper-detected-loop-while-trying-to-do-a-factory-reset/1173)
**Author:** [@ariard](https://community.foundation.xyz/u/ariard)\ **Replies:** 1\ **Last updated:** [August 7, 2026, 6:51pm UTC](https://community.foundation.xyz/t/tamper-detected-loop-while-trying-to-do-a-factory-reset/1173 "2026-08-07T18:51:28Z")
Hello, On a Passport Prime “developer unit” after opening the device and re-clipping the battery copper connector, the device boots and hits the “Tamper Detected” screen. At this stage, by clicking the “Continue” and do… --- ## [Gaining momentum!](https://community.foundation.xyz/t/gaining-momentum/1108)
**Author:** [@qna](https://community.foundation.xyz/u/qna)\ **Replies:** 0\ **Last updated:** [July 3, 2026, 8:53am UTC](https://community.foundation.xyz/t/gaining-momentum/1108 "2026-07-03T08:53:14Z")
https://x.com/SalvaG/status/2072870110558347704?s=20 https://x.com/exitusdcr/status/2072777947929284654?s=20 https://x.com/btcqna/status/2065140682067751181?s=20 Full app showcase page launching very soon … --- ## [OPNEXT Talk - April 16, 2026](https://community.foundation.xyz/t/opnext-talk-april-16-2026/1014)
**Author:** [@Ken](https://community.foundation.xyz/u/Ken)\ **Replies:** 12\ **Last updated:** [May 19, 2026, 9:25pm UTC](https://community.foundation.xyz/t/opnext-talk-april-16-2026/1014 "2026-05-19T21:25:24Z")
Greetings fellow developers! For those of you who attended my talk at OPNEXT, or who came to this forum shortly after (maybe you watched the replay), the information below should get you started with the v0.4 Preview SD… --- ## [Apps to Develop?](https://community.foundation.xyz/t/apps-to-develop/1060)
**Author:** [@CodeByMAB](https://community.foundation.xyz/u/CodeByMAB)\ **Replies:** 6\ **Last updated:** [May 8, 2026, 5:38pm UTC](https://community.foundation.xyz/t/apps-to-develop/1060 "2026-05-08T17:38:46Z")
Just got my developer unit and I am excited to get to work with some other developers. What are some applications that you REALLY want to see come to life? I’ve got all the time in the world now and want to develop some…