bc1qu4p4eynzu8vwwcv0yxq74gth00exjyech05uf0

P2WPKH/P2WSH (bc1q)

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Quantum exposure Reuse-exposed

P2WPKH · reuse-exposed

P2WPKH 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 919,189 on 2025-10-15 (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 (Zhi CHEN)

On the U.S. Treasury OFAC SDN list under program TCO. SDN UID 55505. Last synced 2026-10-22.

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