1i7cZdoE9NcHSdAL5eGjmTJbBVqeQDwgw

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 333,429 on 2014-12-08 (input_spend).

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

What we know about this address 3 findings

Largest single unspent output, Nov 2014 (since spent)

Held the single largest unspent transaction output on chain at the time of the snapshot, 100,000 BTC in one UTXO. The output has since been spent; the address is preserved here as a historical artifact.

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historical-snapshot-2014

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