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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 575,767 on 2019-05-13 (input_spend).

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

What we know about this address 3 findings ✓ corroborated by 3 sources

poolin reward address (coinbase-extracted)

Received block rewards as part of poolin's coinbase output across 65 block(s) between heights 575179 and 577046. Attribution derived from on-chain coinbase scriptSig tag matching plus Jameson Lopp's blocks.csv mapping; this is hard evidence the address received pool rewards under that pool's signature, not clustering inference.

mining-pool view
miners_additional

Tagged as 'miners_additional' in GraphSense pack 'miners_additional' (category: miner, confidence: unspecified). Cited source: https://github.com/MatteoRomiti/Deep_Dive_BTC_Mining_Pools/

mining pool view
WatchYourBack: miscabuse

Tagged as 'miscabuse' (subcategory: n/a) in the WatchYourBack tagging dataset. Sub-source: bitcoinabuse_blackmail-scam. File: bitcoinabuse/20210201_bitcoinabuse.tags.

abuse view