python-mnemonic
slips
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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
slips
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As XRP Toolkit doesn't support Trezor, is there an alternative way to use SetRegularKey on my Trezor to be able to register for the Evernode Airdrop via Xumm?
The official SLIP-0039 standard itself confirms it is not possible to convert this mnemonic type to BIP-0039. Down in Section 9 "Compatibility with BIP-039":
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Shamir Secret Sharing
For anybody new or returning to SSS, check out SLIP-0039: https://github.com/satoshilabs/slips/blob/master/slip-0039.m...
One of the big downsides of SSS is that it’s very raw and you have to do a lot of legwork to make it actually useable. It’s rightfully criticized for this and the argument follows the don’t roll your own crypto vein.
SLIP39 solves this by formalizing a protocol for handling SSS splits built atop standards for crypto key serialization (BIP-39). SlIP shards are unique on each generation so parties with the same underlying SSS shard can’t compare mnemonics, they’re mnemonically serialized, and have a checksum and group index metadata which makes a more sane UX possible when combining.
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Trezor-T XMR Account Recovery (do not use, sample only)
Well every wallet chose to solve this problem independently. Trezor proposed a new standard called SLIP10 to do BIP44 type operations coins that did not use secp256k1. Problem is, there are very few utilities I've found that will do SLIP10 derivations.
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Seed Conversion Woes
Checkout the SLIPs repo (https://github.com/satoshilabs/slips.git) and modify testvectors.py. We are going to replace the curvenames and last four show_testvectors lines with the following:
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Reminder: Trezor Shamir Backup is fundamentally secure
They use an open source algorithm which is documented here. Anyone can verify it and the recovery outside of a Trezor hw-wallet is possible if required.
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Article explaining how Ledger Recover works
It will be using SLIP-39, like Trezor and Electrum, or a Ledger rewrite of it. All the language about shards is straight from the SLIP39 spec.
- Is it possible to have both BTC and XMR keys stored on the same Trezor at the same time?
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Simple sample script to dump Trezor Coinjoin taproot addresses
This was all done with the SLIP-14 seed using the passphrase coinjoin if you want to follow along.
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Simple sample script to dump coinjoin taproot addresses
With the introduction of the new Coinjoin feature in the latest release of firmware and software, I had the need to dump some of my taproot derivations. Although blockbook can do this fine using descriptors in place of xpubs for taproot accounts, it fails on Coinjoin accounts. This is likely because SLIP-25 as 6 deep derivations while BIP-86 uses a standard derivation depth of 5.
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coinjoin funds accessible to other wallets?
The recovery of Coinjoin accounts is described here. Accessing them outside of Trezor Suite will 100% destroy all privacy obtained since Suite is the only keeper of the anonymity set for each UTXO. Using your CJ coins outside of Suite may also erode the privacy of previous transactions using your Suite Private coins as well.
What are some alternatives?
bip39 - BIP-39 tools using Node and implemented in Coffeescript
bip39 - A web tool for converting BIP39 mnemonic codes
shamir39 - Split BIP39 mnemonics using Shamir's Secret Sharing Scheme
MyEtherWallet - MyEtherWallet (our friends call us MEW) is a free, client-side interface helping you interact with the Ethereum blockchain.
python-shamir-mnemonic
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
bips - Bitcoin Improvement Proposals
bitaddress.org - JavaScript Client-Side Bitcoin Wallet Generator
slip39 - A web tool for SLIP39 mnemonic shares
electrum - Electrum Bitcoin Wallet
monero - Monero: the secure, private, untraceable cryptocurrency