python-slip39
keyxn
| python-slip39 | keyxn | |
|---|---|---|
| 5 | 1 | |
| 41 | 13 | |
| - | - | |
| 7.3 | 10.0 | |
| 2 months ago | over 2 years ago | |
| Python | Nim | |
| GNU General Public License v3.0 or later | - |
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python-slip39
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Ask HN: Can 2 ledgers generate the same seed phrase out of millions out there?
Sure — with about the same likelihood as selecting the same atom out of all the atoms in the universe, twice in a row.
Besides; don’t. Generate your own entropy, save it as sets of SLIP-39 Mnemonic cards, and use the https://slip39.com App or https://iancoleman.io/slip39/ to recover your entropy (and your BIP-39 Phrase.
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Binance has no proof of reserves for ETH/XRP, inadequate reserves for rest
Use https://slip39.com
Create a new seed (using your own dice tools to create good entropy).
Practice recovering your BIP-39 Mnemonic from your SLIP-39 Mnemonit cards.
Print out the cards, and decide who you’ll share them with. Send them.
Then, transfer your Bitcoin, etc. into the address printed / QR-coded on the card.
No hardware wallet required; later, use a hardware wallet to recover the account private keys, and use your coins.
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Ssss: Shamir's Secret Sharing Scheme
Backup your BIP-39 Mnemonic phrase using SLIP-39 [0]
This saves the original entropy from which your BIP-39 phrase was generated, over several groups of multiple SLIP-39 mnemonics cards.
Later, recover enough cards from a few groups, recover your BIP-39, and recover your hardware wallet.
Much more reliable, and safer because an attacker must collect many independent mnemonics from groups they probably don’t know the members of.
[0] https://slip39.com
- Which (on- or offline) wallet supports SLIP39?
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Did I just lose half a million dollars
Use SLIP-39, and a hardware wallet that allows recovery from SLIP-39 shards (eg. a Trezor).
With BIP-39, you are simply going to lose your wallet, eventually. It's almost inevitable. Either because you lose the 12- or 24-word passphrase, OR because someone else finds one of your backups.
I've written a decent Python implementation, here, which is simple enough to review:
https://github.com/pjkundert/python-slip39/
keyxn
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Ssss: Shamir's Secret Sharing Scheme
Implementing SSS is fun. It’s short and covers using modulo integer arithmetic to compute invertible integer functions. It also overlaps with error correction methods a bit.
I’ve written ones based off Vault’s Go version in both Nim and Elixir:
- https://github.com/elcritch/keyxn
What are some alternatives?
multi-party-ecdsa - Rust implementation of {t,n}-threshold ECDSA (elliptic curve digital signature algorithm).
awesome-mpc - A curated list of multi party computation resources and links.
sss - Library for the Shamir secret sharing scheme
shamir - 🔑 A CLI frontend for Hashicorp Vault's Shamir's Secret Sharing implementation.
keyx - Elixir implementation of Shamir's Secret Sharing
kyber - Advanced crypto library for the Go language
blockchain-crypto-mpc - Protecting cryptographic signing keys and seed secrets with Multi-Party Computation.
slip39 - A web tool for SLIP39 mnemonic shares