data/brainwallet/direct_sha256_1_iteration/README.md

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# Single SHA256 Brainwallet
For this type of brainwallets, a passphrase is hashed with one iteration of SHA256, and the resulting output is directly used as a 256 bit private key.
The initial collection of Bitcoin addresses presented here is mostly based on passphrases included in the public [privatekeys.pw](https://privatekeys.pw/brainwallet/bitcoin/1) brainwallet list. (Note that we do not endorse this site or its paid services.)
We performed some additional searches for well-known passphrases on top of this initial list.
The Bitcoin addresses represent compressed and uncompressed public keys.
Deliberately weak challenge wallets placed by others:
* [btcleak.com Steal our Bitcoin - round 1](https://web.archive.org/web/20220927230855/https://btcleak.com/2020/06/14/steal-our-bitcoin-a-small-segwit-bounty/), all 10 wallets included
* [btcleak.com Steal our Bitcoin - round 2](https://web.archive.org/web/20220927230252/https://btcleak.com/2020/06/16/steal-our-bitcoin-again/), most wallets included
More public resources:
* [Collection of 18.509 found and used Brainwallets](https://bitcointalk.org/index.php?topic=4768828.0)
* [Brainwallets with wallet addresses as a passphrase](https://bitcointalk.org/index.php?topic=5323694.0)
Due to the nature of brainwallets, the collection is not exhaustive.