1Fb77Xq5ePFER8GtKRn2KDbDTVpJKfKmpz

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 73,082 on 2010-08-08 (input_spend).

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

What we know about this address 6 findings

ArtForz (early Bitcoin developer + miner, u=584)

Self-disclosed signature address of ArtForz (u=584), an early Bitcoin developer best known for writing one of the first GPU miners pre-Mt-Gox era and contributing key fixes to early Bitcoin.

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