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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 478,552 on 2017-08-01 (input_spend).

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

What we know about this address 2 findings ✓ corroborated by 2 sources

OFAC sanctioned (Aleksandr Aleksandrovich VOLOSOVIK)

On the U.S. Treasury OFAC SDN list under program CAATSA - RUSSIA, CYBER4. SDN UID 53994. Last synced 2026-06-21.

sanctioned view
OpenSanctions: US OFAC Specially Designated Nationals (SDN) List

On the OpenSanctions consolidated sanctions list, dataset 'US OFAC Specially Designated Nationals (SDN) List'. Schema: CryptoWallet.

sanctioned view