Bitcoin Puzzle record
Bitcoin Puzzle #69
Where it sits on the line
- found
- open · address only
- open · public key on chain
- the line · 269
This puzzle needs about 268 search steps — below the line (269).
Every puzzle below the line has been found.
Model: range scan. Every candidate key in the interval is hashed and compared with the address.
How the work is estimatedRecord
- Known public key
- 024babadccc6cfd5f0e5e7fd2a50aa7d677ce0aa16fdce26a0d0882eed03e7ba53
- HASH160
- 61eb8a50c86b0584bb727dd65bed8d2400d6d5aa
- Search class
- historical
- The output has been spent. Dates and labels are catalog attributions, not audited identities.
- Candidate interval
- 268 → 269 − 1
- start0x100000000000000000
- end0x1fffffffffffffffff
- Interval size295147905179352825856 scalars. Exact BigInt bounds, not a floating estimate.
Snapshot 2 Oct 2026. The reward is the catalog's nominal allocation (N × 0.1 convention from 2023-04-16; earlier spends predate it), not a live balance. A key that matches the address proves the math, not that the coins are still there: check an explorer. Missing fields are omitted, not invented.
Solution record
- Catalog date
- Block
- 894620
- Evidence
- On-chain
- Catalog label
- Attribution unknown.
- Transactions
- mempool.space tx Solve transaction · Blockstream
Where the key sat in its range
Published position in range: 0.72%
0% · start of rangeend of range · 100%
Published historical scalar (already public)
This hex scalar is already in the public puzzle corpus. It is historical evidence, not a live key to import. This page does not produce WIF and does not handle secret material.
0000000000000000000000000000000000000000000000101d83275fb2bc7e0c
Mentioned in the atlas
Where #69 comes up in the room pages. rooms 9 · mentions 13
- History
-
- 2025-04-30 — #69 spent On-chain
- Myths
-
- Sweep with Electrum / a public broadcast. First to the mempool wins. RefutedClaim & operations
- Keys sit near the start of the range, so scan the floor first. Mix-upWrong object
- Theories
-
- #66 as a bot-snipe laboratory SpeculationSpeculation
- Method
-
- 05 — Publication is not a biconditional MethodHow a P2PKH spend can publish the public key
- Claim
-
- #69 On-chain
- What this page is
+5 more mentions
- Myths
-
- #71 is “next,” so it is due, and therefore easier this year. RefutedFalse hope / EV
- Start
-
- If you ever find a key On-chainA first sitting
- Glossary
-
- scriptSig MethodCrypto objects
- Public broadcast On-chainCatalog unit and publication risk
- Library
-
- Famous spends On-chainCases and people
Method
Historical record. Method notes for open puzzles live on the method page.