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Block #173,532

0000000000000a16b92134827b6f3a49b430b71257d5ba9cce25e1b722bfeb1b

Likely solo-mined
Strong Solo Candidate mempool.space
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Why this block matters

This block shows very strong signals of solo mining — no shared-pool payout pattern was detected and the confidence score is high.

  • No shared-pool signature or coinbase tag detected
  • Payout address has never received a block reward before — consistent with solo mining
  • Found 46m 32s after the previous solo candidate (#173,529)

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This block is classified as a strong solo candidate. Solo mining is lottery-like — even small miners can participate, but finding a block is statistically rare.

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Block Data

Time30 Mar 2012, 07:44 UTCConfirmations792,869Transactions86Size51,867 bytesWeight207,468 WU

Reward

Subsidy + Fees50.04560 BTCFees only0.04560 BTCValue at time$228BTC price$5Mining poolNot identified

Detection

Likely solo-mined
Final score
80/100
Base score70History adj.+10Interval adj.0Pool signatureNone detected

no pool signature; unknown coinbase pattern; fresh payout address (DB); no reuse 24h; no reuse 7d; history_adj=+10 (first_time_winner)

Network at mining time

Network hashrateN/A

Against N/A of total network hashrate, the odds of a solo miner winning are extremely low — making this block remarkable.

Detection Signals

No pool signature+40
New address+10
No reuse (7d)+5
No reuse (24h)+5
Address history+10
Final score80/100

Address History

Historical wins0Previous winInterval since lastFirst win everWins last 30d0
RecurrenceFirst win
IntervalNo prior win

This address has never received a block reward before — consistent with solo mining.

Coinbase Message (raw)
/P2SH/