@Specter
A specter is haunting the modern world, the specter of crypto anarchy.
No relay list published yet.
Recent Notes
6/ 📚 Security documentation
We added a proper SECURITY.md disclosure policy, refreshed the security model and documented what data Specter stores and where.
We also fixed the broken udev documentat...
7/ 💾 How to upgrade
https://github.com/cryptoadvance/specter-diy/releases/tag/v1.10.5
Copy specter_upgrade_v1.10.5.bin to an SD card and insert it into your Specter-DIY. The bootloader verifies the signatures and installs the firmware.
⚠️ On v1.9.0 or older? Install v1.10.3 first — it was the mandatory signing-key rotation release.
https://github.com/cryptoadvance/specter-diy/releases/tag/v1.10.5
Copy specter_upgrade_v1.10.5.bin to an SD card and insert it into your Specter-DIY. The bootloader verifies the signatures and installs the firmware.
⚠️ On v1.9.0 or older? Install v1.10.3 first — it was the mandatory signing-key rotation release.
5/ 🛠️ Reproducible builds fixed
Release builds no longer depend on clone-local Git metadata.
The same source can now produce byte-identical firmware across different checkouts, making independent...
6/ 📚 Security documentation
We added a proper SECURITY.md disclosure policy, refreshed the security model and documented what data Specter stores and where.
We also fixed the broken udev documentation link.
We added a proper SECURITY.md disclosure policy, refreshed the security model and documented what data Specter stores and where.
We also fixed the broken udev documentation link.
1
4/ 🧩 embit → v0.8.2
Specter now uses embit v0.8.2, bringing upstream fixes for BIP39 validation, PSBT/BIP174/BIP370 handling, descriptors, Miniscript and input validation.
We also kept previously...
5/ 🛠️ Reproducible builds fixed
Release builds no longer depend on clone-local Git metadata.
The same source can now produce byte-identical firmware across different checkouts, making independent verification of release binaries possible again.
Release builds no longer depend on clone-local Git metadata.
The same source can now produce byte-identical firmware across different checkouts, making independent verification of release binaries possible again.
1
3/ ⚠️ Mixed-wallet input warnings
If a transaction spends inputs from multiple wallets, Specter now warns you again before signing.
This restores an important warning path for unusual or potential...
4/ 🧩 embit → v0.8.2
Specter now uses embit v0.8.2, bringing upstream fixes for BIP39 validation, PSBT/BIP174/BIP370 handling, descriptors, Miniscript and input validation.
We also kept previously supported descriptors mixing BIP 389 multipath and fixed-path keys compatible.
Specter now uses embit v0.8.2, bringing upstream fixes for BIP39 validation, PSBT/BIP174/BIP370 handling, descriptors, Miniscript and input validation.
We also kept previously supported descriptors mixing BIP 389 multipath and fixed-path keys compatible.
1
2/ 🔍 Stricter change verification
Change is no longer trusted based on host-supplied metadata alone.
Specter now re-derives the output on-device and only treats it as change if it cryptographically...
3/ ⚠️ Mixed-wallet input warnings
If a transaction spends inputs from multiple wallets, Specter now warns you again before signing.
This restores an important warning path for unusual or potentially malicious PSBTs.
If a transaction spends inputs from multiple wallets, Specter now warns you again before signing.
This restores an important warning path for unusual or potentially malicious PSBTs.
1
1/ TRNG failure handling
If the hardware true-random-number generator stalls, Specter now detects obviously broken output and stops with an error instead of silently treating it as entropy.
https://p...
2/ 🔍 Stricter change verification
Change is no longer trusted based on host-supplied metadata alone.
Specter now re-derives the output on-device and only treats it as change if it cryptographically matches the wallet descriptor.
Change is no longer trusted based on host-supplied metadata alone.
Specter now re-derives the output on-device and only treats it as change if it cryptographically matches the wallet descriptor.
1
👻Specter-DIY v1.10.5 is out 🔐
Security hardening for randomness & tx verification:
- TRNG fails safely
- Stricter change-output verification
- Mixed-wallet input warnings restored
- Reproducib...
1/ TRNG failure handling
If the hardware true-random-number generator stalls, Specter now detects obviously broken output and stops with an error instead of silently treating it as entropy.
If the hardware true-random-number generator stalls, Specter now detects obviously broken output and stops with an error instead of silently treating it as entropy.
1
👻Specter-DIY v1.10.5 is out 🔐
Security hardening for randomness & tx verification:
- TRNG fails safely
- Stricter change-output verification
- Mixed-wallet input warnings restored
- Reproducible builds fixed
https://github.com/cryptoadvance/specter-diy/releases/tag/v1.10.5
Security hardening for randomness & tx verification:
- TRNG fails safely
- Stricter change-output verification
- Mixed-wallet input warnings restored
- Reproducible builds fixed
https://github.com/cryptoadvance/specter-diy/releases/tag/v1.10.5
2
The Specter DIY at the Bitcoin Asia Conference 2026?👀
2❤️2🚀2
⚠️ Warning: A highly convincing FAKE Specter Desktop website is currently online.
Do not download or install anything from it.
The downloads contain malware.
Only use official Specter sources....
This is the only Real Specter Desktop Website:
https://specter.solutions/desktop
Thanks to @Oren ☂️ #BIP-128 for reporting
https://specter.solutions/desktop
Thanks to @Oren ☂️ #BIP-128 for reporting
1❤️4
⚠️ Warning: A highly convincing FAKE Specter Desktop website is currently online.
Do not download or install anything from it.
The downloads contain malware.
Only use official Specter sources.
Do not download or install anything from it.
The downloads contain malware.
Only use official Specter sources.
32❤️1
Early Specter DIY users will find so much more functionallity after they got one.
