TordlWalletProtocols
QR-Code-generator
TordlWalletProtocols | QR-Code-generator | |
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75 | 20 | |
50 | 4,848 | |
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6.0 | 4.7 | |
6 months ago | 3 months ago | |
JavaScript | Java | |
MIT License | - |
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TordlWalletProtocols
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If You Lost Your Seed Phrases
I really recommend you read a well designed guide for storing bitcoin like The Tordl Wallet Protocols. It gives very helpful guideance on how and why store your bitcoin in certain ways.
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🤔 By the way, this is a serious problem “If I died today, I don’t think my wife would know how to access our bitcoins.... Would yours?”
I highly recommend you follow a guide like The Tordl Wallet Protocols which are holistic guides to storing your bitcoin. They include guidance on inheritance that will make it so your wife can access your bitcoin - in the worst case scenario with help she is informed to be careful about.
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Ditching ledger for coldcard this week
Coldcard works great. Tho I'm pretty disappointed coldcard renegged on having its firmware open source. I might recommend that if you have multiple types of hardware wallets, you might want to consider a multisig wallet that incorporates your ledger and your coldcard. The Tordl Wallet Protocols have holistic guides on how to do that. A ledger+coldcard multisig wallet is far far more secure than a single-sig wallet of any kind.
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Coldcard set up complete.
While you're thinking about ways to level up, you might be interested in reading through some of The Tordl Wallet Protocols, a holistic set of guides for how to securely store your bitcoin. Its got info in there about multisig bitcoin storage, inheritance, and other nice info. Coldcard is nice, but if you really want to elminate all single points of failure, you need to go multisig. If you have more than $5000 in bitcoin, I'd recommend thinking about it.
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Mobile wallet to hardware wallet.
Muun doesn't seem to have very clear documentation, but it definitely supports Trezor at least. I'd definitely recommend you upgrade your security using a hardware wallet. The Tordl Wallet Protocols are a good resource for that.
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My plan to pass on my btc. Am I missing something?
First of all, yes, the largest thing you didn't mention is legal transfer of your Bitcoin. I'm many jurisdictions, a holographic will is probably your easiest solution to this (tho not all jurisdictions recognize them, so check). I'd recommend reading the inheritance guidance in the Tordl Wallet Protocols.
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Ideas on how to store and encode your seed phrase safely with easy and cheap method.
You should first study methods that security experts have developed and published. A good resource for everyone is the Tordl wallet protocols: https://github.com/fresheneesz/TordlWalletProtocols
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Friendly reminder to add in your testament where your private keys are!
Definitely record where you've put any wallet information where your heirs can access it. Definitely use a metal plate for your seed. Its pretty cheap generally too (eg the blockplate or steelwallet)
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Casa Multi-Signature Cold Wallet
You could also go full self-custody by following a guide like The Tordl Wallet Protocols.
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Wallets
I like electrum on desktop (lots of nice featuers and battletested) and Phoenix as a mobile lightning wallet. If you're trying to figure out a good way to self-custody I'd recommend checking out The Tordl Wallet Protocols - holistic guides to how to self-custody your bitcoin.
QR-Code-generator
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How to make a QR code with Stable Diffusion
The funny thing is that no-one AFAICT has realized that the same content can be encoded in different-looking QR codes. Beside the obvious (different error-correction levels), the content itself can be changed while maintaining its semantic meaning (e.g. "https://example.com/foo", "HTTPS://EXAMPLE.COM/foo", or "HtTpS://eXaMpLe.CoM/foo" are all semantically identical) and even the QR encoding itself can be tweaked (e.g. by changing the version and mask, see the demo on https://www.nayuki.io/page/qr-code-generator-library). Each combination would yield a different-looking QR code that would encode the same meaning, and it could therefore allow the diffusion models even greater freedom.
I'm sure somebody will get to this soon.
- QR Code Authentication to perform a function
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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.
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?
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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?
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
- How do you safely store/hide your seed phrase from your family?
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Ever wondered how a QR code works?
I probably know this only because back in time I wrote a QR code generator in JavaScript [1] which was also one of such libraries reviewed by Nayuki [2], and as I haven't actually implemented a decoder my knowledge stops there. Sorry :-)
[1] https://github.com/lifthrasiir/qr.js
[2] https://www.nayuki.io/page/qr-code-generator-library
- Can someone help me with this QR code generator?? Willing to pay for help if needed!!
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Barcode Detection API
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. ;-)
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qr code encoding
i think i found what i was looking for
What are some alternatives?
Jade - Jade hardware wallet
shc-extractor - Extract the JSON payload from SHC QR codes (i.e Québec Covid Vaccination QR Codes)
trezor-firmware - :lock: Trezor Firmware Monorepo
emv-qrcode - Java Based EMV QR Code Generator and Parser (MPM, CPM)
metal-bitcoin-storage-reviews - Metal Bitcoin Storage Backup Device Stress Tests and Reviews
CyberChef - The Cyber Swiss Army Knife - a web app for encryption, encoding, compression and data analysis
Wallets Recovery - Information about wallet defaults for external recovery
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.
python-mnemonic - :snake: Mnemonic code for generating deterministic keys, BIP39
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.
specter-desktop - A desktop GUI for Bitcoin Core optimised to work with hardware wallets
Nayuki-web-published-code - Complete collection of code files (*.java/js/py/cpp/etc.) published on Project Nayuki website.