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Christian Reitter 9dde888a52 Update brainwallet 2025-08-26 18:29:15 +02:00
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README.md Publish new brainwallet research 2025-08-21 14:40:52 +02:00
brainwallet_victim_addr_bitcoin_2_sha256_iterations_bloom2025_06_11__direct_key_sorted_collection.txt Update brainwallet 2025-08-26 18:29:15 +02:00

README.md

Double SHA256 Brainwallet

More rare form of brainwallet with secp256k1 key derived by sha256(sha256(passphrase)).

We expect that some of the newer bc1q-prefix addresses are deliberately placed canary wallets by other researchers to observe attacker behavior. A noticeable characteristic are small transfers with 300, 500, 3000 Satoshis and so on.

The Bitcoin addresses represent compressed and uncompressed public keys.

Due to the nature of brainwallets, the collection is not exhaustive.