hash_collision/sha1

hash_collision/sha1 claimed bitcoin Hash collision bounties

prize: 2.48 BTC
key material: none published
public key: unknown
started: 2013-09-13
solved: 2023-02-22 · 9y 5mo 14d 18h 12m
verification: puzzle has no private key

address · p2sh

37k7toV1Nv4DfmQbmZ8KuZDQCYK9x5KpzP blockstream.info

hash160 4266fc6f2c2861d7fe229b279a79803afca7ba34

redeem script 6e879169a77ca787

balance

asking the explorer

transactions · 2

funding2013-09-130.01 BTC09de8e2de5f6261a…f431138a83
claim2023-02-220.000096 BTC9ec2a0db0c4c3423…6196ff14e0

source

open in the playground

https://bitcointalk.org/index.php?topic=293382.0

toolpuzzles_show

what a model reads · MCP · Pi · OMP

hash_collision/sha1	claimed	2.48 BTC	37k7toV1Nv4DfmQbmZ8KuZDQCYK9x5KpzP
chain: bitcoin  address kind: p2sh
hash160: 4266fc6f2c2861d7fe229b279a79803afca7ba34
redeem script: 6e879169a77ca787 (hash 4266fc6f2c2861d7fe229b279a79803afca7ba34)
public key: unknown
private key: unknown
started: 2013-09-13 04:48:29
solved: 2023-02-22 23:00:49 (9y 5mo 14d 18h 12m)
transactions: 2
	funding	2013-09-13 04:48:29	0.01 BTC	09de8e2de5f6261af40c522c8fcc008c6a8321368b4df707c0c2a8f431138a83
	claim	2023-02-22 23:00:49	0.000096 BTC	9ec2a0db0c4c3423a6b2c3cb2a26fc626b037121b4b5f3f57b08916196ff14e0
claim: https://blockstream.info/tx/9ec2a0db0c4c3423a6b2c3cb2a26fc626b037121b4b5f3f57b08916196ff14e0
explorer: https://blockstream.info/address/37k7toV1Nv4DfmQbmZ8KuZDQCYK9x5KpzP
source: https://bitcointalk.org/index.php?topic=293382.0

puzzle.toJSON() absent fields are absent, never null

{
  "id": "hash_collision/sha1",
  "chain": "bitcoin",
  "address": {
    "value": "37k7toV1Nv4DfmQbmZ8KuZDQCYK9x5KpzP",
    "kind": "p2sh",
    "hash160": "4266fc6f2c2861d7fe229b279a79803afca7ba34",
    "redeem_script": {
      "hash": "4266fc6f2c2861d7fe229b279a79803afca7ba34",
      "script": "6e879169a77ca787"
    }
  },
  "status": "claimed",
  "prize": 2.48,
  "start_date": "2013-09-13 04:48:29",
  "solve_date": "2023-02-22 23:00:49",
  "solve_time": 298059140,
  "source_url": "https://bitcointalk.org/index.php?topic=293382.0",
  "transactions": [
    {
      "tx_type": "funding",
      "txid": "09de8e2de5f6261af40c522c8fcc008c6a8321368b4df707c0c2a8f431138a83",
      "date": "2013-09-13 04:48:29",
      "amount": 0.01
    },
    {
      "tx_type": "claim",
      "txid": "9ec2a0db0c4c3423a6b2c3cb2a26fc626b037121b4b5f3f57b08916196ff14e0",
      "date": "2023-02-22 23:00:49",
      "amount": 0.000096
    }
  ]
}