1QBDLYTDFHHZAABYSKGKPWKLSXZWCCJQBX

P2PKH (1)

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Quantum exposure Reuse-exposed

P2PKH · reuse-exposed

P2PKH addresses hide the pubkey behind a SHA-256 + RIPEMD-160 hash UNTIL the first outgoing spend, which reveals it in the signature script or witness data. This address has been spent from, so its pubkey is permanently on chain. Every subsequent UTXO at this address is just as exposed as the moment of first spend.

First revealed at block 161,504 on 2012-01-10 (input_spend).

Context: Bitcoin quantum exposure report · Top exposed addresses · Quantum and Bitcoin (LearnBitcoin.com)

What we know about this address 6 findings

Alan Reiner / etotheipi (Armory wallet creator)

Self-disclosed signature address of etotheipi (u=31239), Alan Reiner — creator of the Armory Bitcoin wallet, one of the earliest cold-storage and multisig-capable Bitcoin wallets.

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