bc1q4dxy47x4m8edx3skk2q9kvg3mawdjyzma20wmy

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 929,150 on 2025-12-23 (input_spend).

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

What we know about this address 1 findings

Bitwise BITB ETF custody

Custody address for the Bitwise BITB Spot Bitcoin ETF. Holds 511.1500 BTC. Active. Self-disclosed by Bitwise and attested daily by The Network Firm LLP.

ETF custody view