19PkHafEN18mquJ9ChwZt5YEFoCdPP5vYB

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 152,366 on 2011-11-08 (input_spend).

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

What we know about this address 6 findings ✓ corroborated by 6 sources

bitminter reward address (coinbase-extracted)

Received block rewards as part of bitminter's coinbase output across 6456 block(s) between heights 152246 and 589801. 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
BitMinter reward address

Used by the BitMinter mining pool. Tags: BitMinter.

mining pool view
BitMinter reward address

Reward address for the BitMinter mining pool, per the sysfix/mining-pool-addresses registry (fork of btccom/Blockchain-Known-Pools). Pool tags: BitMinter.

mining pool view
BitMinter.com (Pools)

Address attributed to 'BitMinter.com' on walletexplorer.com (category: Pools). Balance 0.0001 BTC across 6518 incoming txs; last used in block 932,377.

mining pool view
WatchYourBack: mining:bitminter

Tagged as 'mining' (subcategory: bitminter) in the WatchYourBack tagging dataset. Sub-source: miner. File: graphsense-tagpacks/20210201_graphsense_walletexplorer.tags.

mining pool view
miners

Tagged as 'miners' in GraphSense pack 'miners' (category: miner, confidence: forensic). Cited source: https://github.com/MatteoRomiti/Deep_Dive_BTC_Mining_Pools/blob/master/dataset/miners.json

mining pool view