python-mnemonic
TordlWalletProtocols
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python-mnemonic | TordlWalletProtocols | |
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70 | 75 | |
802 | 50 | |
1.7% | - | |
6.8 | 6.0 | |
4 months ago | 5 months ago | |
Python | JavaScript | |
MIT License | MIT License |
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python-mnemonic
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Need help understading BIP39
Yes. BIP39 defines a check word to ensure the previous words are correct. You can read the spec here: https://github.com/bitcoin/bips/blob/master/bip-0039.mediawiki
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What happens if I lose my cold card device?
ColdCard follows the BIP-39 standard for encoding the wallet's seed as a series of 24 words (a.k.a. "seed menmonic", sometimes called a recovery phrase). If you followed the instructions you were given when initializing it and you've stored your seed mnemonic safely in the real world (not digitally where it can be more easily discovered), you're fine. In the event you lose or damage your ColdCard, you can initialize a new wallet--ANY wallet that follows the BIP-39 standard, which is pretty universal these days--and the wallet will regenerate the same private keysthat your original ColdCard did, in the same order.
- How to add a 25th word to your seed ?
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Question about wallet security
... and BIP-39
- If you broke your phone right now, could you still access your crypto?
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Can the private key of a 24 word seed + passphrase be the same as of a different 24 word seed without passphrase?
Look-up "BIP32", "BIP39" and "BIP44", those will point you to documents describing precisely how seed phrases are converted into crypto keys.
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is there a way to programmatically generate a wallet from a 12 word seed phrase that would give the same result in metamask?
i think bip39 is what you want to look up.
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Is my maths correct?
Not correct See this: https://github.com/bitcoin/bips/blob/master/bip-0039.mediawiki
- Mentor Monday, January 23, 2023: Ask all your bitcoin questions!
- Technical Hardware wallet question
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.
What are some alternatives?
bip39 - BIP-39 tools using Node and implemented in Coffeescript
Jade - Jade hardware wallet
bip39 - A web tool for converting BIP39 mnemonic codes
trezor-firmware - :lock: Trezor Firmware Monorepo
MyEtherWallet - MyEtherWallet (our friends call us MEW) is a free, client-side interface helping you interact with the Ethereum blockchain.
metal-bitcoin-storage-reviews - Metal Bitcoin Storage Backup Device Stress Tests and Reviews
FinderOuter - Easy to use bitcoin recovery tool to fix damaged private key, mini-private key, address, BIP38 encrypted key, mnemonic (seed phrase), BIP-32 derivation path, Armory backups, recover passwords and more
Wallets Recovery - Information about wallet defaults for external recovery
bitaddress.org - JavaScript Client-Side Bitcoin Wallet Generator
specter-desktop - A desktop GUI for Bitcoin Core optimised to work with hardware wallets
electrum - Electrum Bitcoin Wallet
firmware - ❄️ Firmware and simulator for Coldcard Hardware Wallet