doublerandom
jb
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doublerandom | jb | |
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3 | 6 | |
1 | 14 | |
- | - | |
6.4 | 0.0 | |
about 2 months ago | over 2 years ago | |
Python | ||
MIT License | MIT License |
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doublerandom
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Re-use of an address.
Here is an example script you can use to mix randomness from multiple sources - dices, the microphone, haveged.
- I made an Electrum seed with a cat and it works!
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Question: Docker alternative to Tails OS for generating Bitcoin addresses securely for cold storage
Doublerandom on air-gappted computer.
jb
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A method of backing up software wallet
If you are worried to keep your BIP39 seed in cleartext you may use the Doubleslow Keystretcher like explained in this article. Or use a very strong passphrase as a BIP39 passphrase. The Doubleslow Keystretcher is allowing you to use not so strong (hard to remember) passphrase.
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Re-use of an address.
Use an air-gapped computer (without a hard drive, without USB flash drive) like I described here.
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Bitcoin banned in XYZ vibe changed.
I never tried this: https://github.com/vstoykovbg/jb But it looks interesting too.
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Holding my BTCs on CB for 6 years
How Jason Bourne Stores His Bitcoin in 2021
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What is the most secure way to buy and own Bitcoin?
TLDR: The key stretching with the "seed extension" (also known as "extension word" and "passphrase") in the BIP39 specification is very weak (PBKDF2 using 2048 iterations of HMAC-SHA512). This is why Jason Bourne is using Doubleslow.
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How to encrypt your 24 written seed words?
Here is a better way: How Jason Bourne Stores His Bitcoin in 2020
What are some alternatives?
ScrapMechanicSeedTool - A tool that allows you to modify the seed of scrap mechanic save files.
bw - Pure bash Bitcoin brain wallet inspector
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
bip39-checksum-words-finder - BIP39 CHECKSUM WORDS FINDER: find out the list of all candidate checksum words of a bip39 seed having only 11 or 23 words
nodice-cli - A simple diceware generator with no dependencies.
doubleslow - Doubleslow Keystretcher: Key stretching on an air-gapped computer with additional "external key stretching" on another computer
passphraseme - A quick and simple cryptographically secure script to generate high entropy passphrases using EFF's wordlists
atmos-rng - A randomness generator based off of atmospheric noise instead of math to generate numbers, choices, and to shuffle lists.
aleatorpy - Python decorator to control randomness of functions, methods and properties
BTC-Wallet-Maker - The BTC Wallet Maker, an offline tool, ensures secure Bitcoin wallet creation and detail retrieval. It supports multiple address types like legacy, SegWit, and Taproot, catering to user needs for key security and compatibility with various transaction types. Ideal for those avoiding online wallet risks.