Information Density: Specter Association – Signal Evidence & AI Readability

[IMG: Specter DIY Hardware Wallet]
[H2] Hardware
Trust minimised signing devices running Specter open source firmware.Build yours >>
[H2] Desktop
Secure your bitcoin. Verify your transactions. Protect your privacy.Get Specter >>
[IMG: Specter Desktop - Add your devices interface]
[IMG: Contact]
[H3] Contact Association

Specter Firmware enables you to build your own trust minimized signing devices.It is FOSS free open source software under the MIT license.Open source firmware and off-the-shelf hardware, for trust minimized bitcoin self-custody.
[H2] Specter Firmware
Open source firmware for signing devices.Specter Firmware >>
[IMG: Specter Firmware]
[H2] Specter DIY
Very easy to build from off-the-shelf components to minimize supply chain risk.Build Instructions >>
[IMG: Specter DIY Barebones]
[H3] Signing Device
The Specter DIY uses the STM Discovery Board and Waveshare QR Code Scanner to create a signing device purely from off-the-shelf components, minimizing supply-chain risks.
[H3] Temporary Seed Mode
To eliminate the need for a built-in secure element, Specter DIY can operate in Temporary Seed Mode. In this mode, seed words are deleted each time the device is powered off and must be re-imported with each use.
[H3] Easy Seed Import
The smartphone-sized touchscreen display makes it simple to enter the Bitcoin seed phrase. Additionally, SeedQR codes are supported for added convenience.
[IMG: Specter Shield]
[H2] Specter Shield
An open-source extension board for the Specter DIY, the Specter Shield enables highly secure seed phrase encryption using smartcards.Find vendors >>
[H3] Secure Element
With the Specter Shield, you can encrypt your Bitcoin seed phrase securely using a secure chip. Even if an attacker gains physical access to the device, they are limited to 10 PIN attempts to access the seed phrase.
[H3] Multiple Smartcards
Support for multiple smartcards allows you to manage multiple seed phrases, functioning like several independent hardware wallets.
[H3] Family Hardware Wallet
The Specter Shield can be shared among family members. Each member can use their own smartcard with a unique seed phrase, eliminating the need to purchase multiple hardware wallets.
[IMG: Specter Signer In Use]
[H2] Firmware Features
[H3] Embit Library
Specter firmware uses our Embit bitcoin library. It is designed to run either with Python 3 on a PC or with MicroPython on embedded devices.
[H3] Liquid Support
Use Specter Hardware wallets in singlesig or multisig wallets for self custody of Liquid assets.
[H3] Intuitive Interaction
Interface optimized for a 4inch touch display.
[H3] Anti-phishing words
Seed displayed after each pin entry verifies the device was not tampered with.
[H3] Secure Element
Shield board enables smart cards to encrypt wallet seeds. Multiple cards are acting like separate hardware wallets.
[H3] Airgapped
Use QR codes to stay completely offline.
[H3] QR Code Wallet Import
Scan QR code to import wallet descriptor to the device.
[H3] Temporary Seed
Private keys can be stored locally in device memory.
[H3] Added Entropy
Use coin-flips to introduce extra randomness to key generation.
[H3] Key Generation
Securely generate seed words using the microcontrollers true random number generator and entropy from koordinates and timestamps of every display touch.
[H3] Pin Generation
Lock device access with a pin.
[H3] PSBT
Partially signed bitcoin transaction support.
[H3] Verify Addresses
Verify and export receive addresses.
[H3] SeedQR
Import Seeds instant into the device by just scanning classic or compact seedQR Codes.
[H3] BIP85
Derive child seed phrases from your primary seed phrase for use on less secure devices, such as hot wallets, lightning wallets, etc.View GitHub for full details >>

Specter Desktop is FOSS free open source software under the MIT license.It exists to empower you, to hold your own keys and follow self sovereign best practices.Your Bitcoin node, on your hardware, paired with your signing devices, creating secure wallets for bitcoin self-custody.
[IMG: Specter Desktop Add Device]
[H3] Add your signing devices.
All common hardware wallets are supported: Specter DIY, Seedsigner, BitBox, Trezor, Keystone, Coldcard, Jade, Ledger, KeepKey.. the list keeps growing.
[H3] Coordinate secure wallets.
A multi-sig scheme offers a high degree of security, a single-sig cold storage wallet is safe for smaller amounts and convenient to operate.Define your optimal set up and use Specter Desktop to coordinate the wallet best suited to your needs.
[IMG: Specter Desktop Add New Wallet]
[IMG: Bitcoin Core]
[H3] Run Bitcoin Core.
Leverage the powerful functionality of Bitcoin Core, the solid foundation for a secure set-up.Rely on your own node to verify transactions and protect your privacy.
[IMG: QR Code]
[H3] Signing experience.
QR codes enable a fast and intuitive signing experience via PSBT. SD cards and USB connected devices are also supported.
[IMG: Specter Desktop In Use]
[H2] Coin Control Features
[IMG: Send]
[H3] Send
Create, sign and broadcast transactions through Specter Desktop.PSBTs (Partially Signed Bitcoin Transactions) can be signed air-gapped via QR codes or SD card, or directly with USB connected signing devices.
[IMG: Specter Send Transaction]
[IMG: Specter Receive Transaction]
[IMG: Receive]
[H3] Receive
View all receive addresses to send funds to your wallets.Verify your wallet receive addresses match across Specter Desktop and your signing devices. This can be done via QR code or directly with USB connected signing devices.
[IMG: Adjust]
[H3] Optimise your transactions.
Fine tune each transaction for quick confirmation time or to minimize fees.Specify a transaction fee and Specter Desktop will estimate the confirmation speed.Add multiple recipients to one transaction.Speed-up transactions with RBF (Replace-by-Fee).
[IMG: Articles]
[H3] Transaction History & Labels.
View the full history of incoming and outgoing transactions.Label individual UTXO's (Unspent Transaction Outputs).Use the search function to find all matching labels or specific UTXO's.Order transactions by label, amount, date, confirmations or TxID.
[IMG: Select Coins]
[H3] Select coins for spending.
Use coin selection to spend from specific UTXO's and control your onchain visibility.Freeze or unfreeze specific UTXO's to control sending and improve your onchain privacy.
[H2] Plugins & Extensions
[IMG: Swan]
[H3] Swan Integration.
The integration enables auto withdrawals from a Swan account to be sent directly to your self-custody wallet. Stack with Swan and secure with Specter.Sign up at Swan to support Specter development >>
[H3] Keeping your XPub Private.
Specter reserves addresses for your Swan withdrawals and is keeping your wallet XPub private.
[H2] Securely Connected
[IMG: Specter Desktop In Use 2]
[IMG: Tor]
[H3] Use Tor to protect your privacy.
Enable Tor to anonymize your connections. Use the built in quick setup or create a custom configuration.Run Specter as a Tor hidden service and access your wallets securely from anywhere.
[IMG: Securely]
[H3] Securely access your wallets.
Add an extra layer of security and password protect your Specter wallets for remote access.
[IMG: Connect]
[H3] Connect to your node in a box.
As an alternative to a local Bitcoin Core instance, you can connect Specter Desktop to your MyNode, RoninDojo, Raspiblitz or Umbrel node package.However, Specter is optimized to run locally alongside Bitcoin Core.
[H2] Wallet Backups
[IMG: Import/Export]
[H3] Backup your multi-sig.
Export a PDF Backup from Specter Desktop, it is recommended you keep this with each device/seed word back-up especially for multi-sig wallets.
[IMG: Specter Backup File]
[IMG: Backup]
[H3] Backup Specter wallet data.
Export Specter format creates a JSON file of an individual wallet with complete data including UTXO labels.Specter Data Backup exports a .zip with your complete Specter Desktop configuration, this includes all signing devices and data of all wallets.
[IMG: Import Export]
[H3] Import and export between apps.
Import wallets from Electrum, Fully-Noded, Sparrow Wallet or another Specter instance.Export your Specter Desktop wallets and import them into other software.Interoperable standards mean you are free to choose, and your funds are accessible also without Specter Desktop.
[IMG: Scan]
[H3] Scan for existing funds.
When importing an existing wallet, rescan the entire timechain for balances or specify a block height to scan from.Rescan UTXOs to find only unspent transactions (especially useful when running a pruned node).
[H2] User Interface
[IMG: Explore]
[H3] Explore Bitcoin.
View the Bitcoin Whitepaper directly from the timechain from your full node.Run the numbers and verify the total current mined supply of bitcoin.
[IMG: Customise Settings]
[H3] Customise.
Set the interface to your preferred language.Make sats the standard and set Specter to show balances in sats or BTC.View the bitcoin price in fiat currency.Hide sensitive info with a quick access button.
[IMG: Supported Networks]
[H3] Networks Supported.
Liquid, Testnet, Regtest and Signet are supported.
[H2] Learn More
[IMG: Tutorials]
[H3] Tutorials.
Bitcoin Best Practices – Bitcoin Core + Specter + Coldcard Guide by Matt Odell >>Multisig Guide by Bitcoin Q&A >>10x Security Bitcoin Guide by Michael Flaxman >>Ubuntu Node Box Guide 2020 by Ketan >>
[IMG: Documentation]
[H3] Specter Desktop documentation.
View the Specter Desktop documentation for Instructions, Tips and Tricks, FAQ and more.Docs >>
[IMG: Community]
[H3] Join the Specter community.
Join our community on Telegram for support, questions, or head straight to github to open an issue or get involved.Join >>
[H2] Contribute
[IMG: FOSS]
[H3] Free open source software.
Specter Desktop is free and open source software under the MIT Licence, this gives everyone the freedom to review and use the code.
[IMG: Code]
[H3] Contribute to the tools we all use.
We have a developer community, please reach out to the team.Join the many contributors who build, improve and maintain the tools we all use.Github >>
[IMG: Donate]
[H3] Donate some sats.
Show your appreciation for the open source projects you use.

[H2] Organization
Specter AssociationRuelle William-Mayor 2CH-NE Neuchâtel 2000Switzerland
[H2] Contact
specter.association@proton.me+49 157 519 027 96
[H2] Legal Notice
The Specter Association is a non-profit organization based in Zurich (Switzerland) with the aim of further development, distribution and promotion of the Specter open source project.All content on this website is provided for informational purposes only. The Specter Association makes no warranties about the completeness, reliability, and accuracy of this information.
[H2] Disclaimer
Any action you take upon the information on this website is strictly at your own risk, and the Specter Association will not be liable for any losses and damages in connection with the use of this website.External links on this website may lead to third-party websites. The Specter Association has no control over the nature, content, and availability of those sites and is not responsible for their content.
[H2] Copyright
© 2024 Specter Association. All rights reserved.The content of this website is licensed under open-source licenses where applicable. Please refer to individual project repositories for specific licensing information.