|11 days ago||3 months ago|
|Eclipse Public License 2.0||-|
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I want to secure my btc for a long term hold, but I don't know if I feel comfortable with cold storage.
5 projects | /r/Bitcoin | 20 Jan 2023
Make a hidden Veracrypt vault on cold computer. Inside the Veracrypt vault save Keepassxc vaults. Store your seeds inside the Keepassxc vaults. For a paper backup, encrypt your seeds using an offline AES256/512 text encryptor/decryptor. Encode the encrypted text using an offline qrcode generator. Print out the qrcode. Test recovery using a dummy wallet. Be sure you can scan and decrypt. Bonus: Laser etch the qrcodes on metal plates. Make a multi-factor recovery vault, in case you forget your passwords. Shimar's secret sharing scheme is a useful tool for making your recovery vault. Never store your seed unencrypted anywhere, ever. Never input your seed on an online computer, ever. Always protect your seeds with something you know (password), something you have (vaults and keyfiles). Do not upload your vault to the cloud. Keep backups in multiple locations. Necessary tools: Cold computer: Any old computer will do. Just physically disable network access. Veracrypt: https://www.veracrypt.fr/code/VeraCrypt/ KeepassXC: https://keepassxc.org/ Cross-platform, open-source text string encryptor. https://github.com/a3diti/aes256-offline/ Cross-platform, open source QR code generators: https://kazuhikoarase.github.io/qrcode-generator/js/demo/ https://github.com/amanuel/JS-HTML5-QRCode-Generator https://github.com/nayuki/QR-Code-generator Shamir's Secret Sharing: https://github.com/paritytech/banana\_split
Safe place for store keys? safe from robbers and from natural disasters. Any suggestion?
8 projects | /r/Bitcoin | 19 Jan 2023
What are some best practices for securely storing my 12-word seed phrase and how can I recover my funds if I accidentally lose or forget my seed phrase?
6 projects | /r/Bitcoin | 19 Jan 2023
Necessary tools: Cold computer: Any old computer will do. Just disable network access. Veracrypt: https://www.veracrypt.fr/code/VeraCrypt/ KeepassXC: https://keepassxc.org/ Cross-platform, open-source text string encryptor. https://github.com/a3diti/aes256-offline/ Cross-platform, open source QR code generators: https://kazuhikoarase.github.io/qrcode-generator/js/demo/ https://github.com/amanuel/JS-HTML5-QRCode-Generator https://github.com/nayuki/QR-Code-generator Cross-platform, open-source text string encryptor. https://github.com/a3diti/aes256-offline/ Shamir's Secret Sharing: https://github.com/paritytech/banana\_split
Ever wondered how a QR code works?
4 projects | news.ycombinator.com | 14 Sep 2022
Barcode Detection API
2 projects | news.ycombinator.com | 9 Mar 2022
I guess it helps to understand how to generate a QR code: https://www.nayuki.io/page/qr-code-generator-library (see also the references at the end)
Good luck. ;-)
Survey Says Developers Are Definitely Not Interested In Crypto Or NFTs | 'How this hasn’t been identified as a pyramid scheme is beyond me'
3 projects | /r/programming | 24 Jan 2022
https://en.cppreference.com/w/cpp/numeric/random + https://github.com/nayuki/QR-Code-generator/tree/master/cpp Generate QR code using random number. No need for power hungry blockchain.
Useful open source dynamic QR code creator to polish up
3 projects | /r/selfhosted | 28 Sep 2021
I have not spun it up myself I have just put urls into this page https://www.nayuki.io/page/qr-code-generator-library I have assumed (maybe incorrectly) that the project would function the same.3 projects | /r/selfhosted | 28 Sep 2021
I’ve used this in the past and haven’t had unreadable codes https://github.com/nayuki/QR-Code-generator
QRCode texture generation module for 3.x
2 projects | /r/godot | 13 Aug 2021
Did you consider a GDScript implementation instead? Having to rebuild the engine is a bit of a hassle, especially since you need to rebuild for every supported platform in order to export. I see there is a Python version of the lib: https://github.com/nayuki/QR-Code-generator/blob/master/python/qrcodegen.py and generating codes is probably never performance-critical.
QR Code Maker
9 projects | /r/selfhosted | 9 Aug 2021
What are some alternatives?
shc-extractor - Extract the JSON payload from SHC QR codes (i.e Québec Covid Vaccination QR Codes)
emv-qrcode - Java Based EMV QR Code Generator and Parser (MPM, CPM)
CyberChef - The Cyber Swiss Army Knife - a web app for encryption, encoding, compression and data analysis
zint - A barcode encoding library supporting over 50 symbologies including Code 128, Data Matrix, USPS OneCode, EAN-128, UPC/EAN, ITF, QR Code, Code 16k, PDF417, MicroPDF417, LOGMARS, Maxicode, GS1 DataBar, Aztec, Composite Symbols and more.
lowdefy - The config web stack for business apps - build internal tools, client portals, web apps, admin panels, dashboards, web sites, and CRUD apps with YAML or JSON.
Nayuki-web-published-code - Complete collection of code files (*.java/js/py/cpp/etc.) published on Project Nayuki website.
PHP-Dynamic-Qr-code - PHP Dynamic Qr code is a script that allows the generation and saving of dynamic and static QR codes
qrcode-generator - Basic UI to generate QR codes from a URL running in Docker.
Nullboard - Nullboard is a minimalist kanban board, focused on compactness and readability.
kondo - Cleans dependencies and build artifacts from your projects.
qrcodetexture - QRCodeTexture module for GodotEngine 3.x