1FeexV6bAHb8ybZjqQMjJrcCrHGW9sb6uF

P2PKH (1)

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Quantum exposure Not exposed

Not currently exposed

This address does not appear in ChainQuery's revealed_addresses registry. Either it has never been spent from (the pubkey is still hidden behind its hash) or it has never received funds. Hashed-type addresses (P2PKH, P2WPKH, P2SH, P2WSH) remain quantum-safe under current cryptography until the first outgoing spend reveals the pubkey.

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

What we know about this address 7 findings ✓ corroborated by 3 sources

MtGox Hack

Cold-storage wallet associated with the 2011 Mt. Gox exchange loss. Roughly 80,000 BTC have sat dormant in this address since March 1, 2011, making it one of the largest unmoved 'lost' Bitcoin holdings on chain. Ranked #3 in the operator's Nov 2014 rich-list snapshot.

label view
incident

tag
mtgox

tag
history

tag
historical-snapshot-2014

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Real-CATS: Other

Address labeled 'Other' in the Real-CATS academic dataset. Total received 80,000.0000 BTC across the address's lifetime.

criminal view
WatchYourBack: miscabuse

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

abuse view