b1000/127

b1000/127 unsolved bitcoin Bitcoin puzzle transaction

prize: 12.7 BTC
key material: 127-bit search width
public key: unknown
started: 2015-01-15
solved: not yet
verification: puzzle has no private key

address · p2pkh

1G6EFyBRU86sThN3SSt3GrHu1sA7w7nzi4 blockstream.info

hash160 a58708aa98ad35c889bb36d8049bf9e9cacfd02a

balance

asking the explorer

key range · 127 bits

2^126 to 2^127 - 1

0x40000000000000000000000000000000 to 0x7fffffffffffffffffffffffffffffff

transactions · 3

funding2015-01-150.127 BTC08389f34c98c6063…1e5fa6cd15
increase2017-07-111.143 BTC5d45587cfd1d5b0f…4544384164
increase2023-04-1611.43 BTC12f34b58b04dfb02…41a78d13b3

source

open in the playground

https://bitcointalk.org/index.php?topic=5218972

toolpuzzles_show

what a model reads · MCP · Pi · OMP

b1000/127	unsolved	12.7 BTC	1G6EFyBRU86sThN3SSt3GrHu1sA7w7nzi4
chain: bitcoin  address kind: p2pkh
hash160: a58708aa98ad35c889bb36d8049bf9e9cacfd02a
public key: unknown
private key: unknown
started: 2015-01-15 18:07:14
transactions: 3
	funding	2015-01-15 18:07:14	0.127 BTC	08389f34c98c606322740c0be6a7125d9860bb8d5cb182c02f98461e5fa6cd15
	increase	2017-07-11 05:00:53	1.143 BTC	5d45587cfd1d5b0fb826805541da7d94c61fe432259e68ee26f4a04544384164
	increase	2023-04-16 06:29:48	11.43 BTC	12f34b58b04dfb0233ce889f674781c0e0c7ba95482cca469125af41a78d13b3
explorer: https://blockstream.info/address/1G6EFyBRU86sThN3SSt3GrHu1sA7w7nzi4
source: https://bitcointalk.org/index.php?topic=5218972
key range: 40000000000000000000000000000000..7fffffffffffffffffffffffffffffff (hex, 127 bits)

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

{
  "id": "b1000/127",
  "chain": "bitcoin",
  "address": {
    "value": "1G6EFyBRU86sThN3SSt3GrHu1sA7w7nzi4",
    "kind": "p2pkh",
    "hash160": "a58708aa98ad35c889bb36d8049bf9e9cacfd02a"
  },
  "status": "unsolved",
  "key": {
    "bits": 127
  },
  "prize": 12.7,
  "start_date": "2015-01-15 18:07:14",
  "source_url": "https://bitcointalk.org/index.php?topic=5218972",
  "transactions": [
    {
      "tx_type": "funding",
      "txid": "08389f34c98c606322740c0be6a7125d9860bb8d5cb182c02f98461e5fa6cd15",
      "date": "2015-01-15 18:07:14",
      "amount": 0.127
    },
    {
      "tx_type": "increase",
      "txid": "5d45587cfd1d5b0fb826805541da7d94c61fe432259e68ee26f4a04544384164",
      "date": "2017-07-11 05:00:53",
      "amount": 1.143
    },
    {
      "tx_type": "increase",
      "txid": "12f34b58b04dfb0233ce889f674781c0e0c7ba95482cca469125af41a78d13b3",
      "date": "2023-04-16 06:29:48",
      "amount": 11.43
    }
  ]
}