← Back to blocks

Block #288,508

000000000000000054a54175ff384d05520fa3a65b353fcaefdad2febc09a5b5

Likely solo-mined
Strong Solo Candidate mempool.space
Share on X
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
  • Mined against 0 EH/s of total network hashrate — statistically rare for solo mining
  • Found 1h 55m after the previous solo candidate (#288,498)

Try solo Bitcoin mining

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.

Explore mining hardware

Block Data

Time1 Mar 2014, 22:47 UTCConfirmations677,888Transactions170Size247,471 bytesWeight989,884 WU

Reward

Subsidy + Fees25.03522 BTCFees only0.03522 BTCValue at time$17,046BTC price$681Mining 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 hashrate0 EH/s

Against 0 EH/s 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.

Total blocks
1
Solo candidates
1
Solo rate
100.0%
Coinbase Message (raw)
fS7HZ