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Block #287,037
000000000000000157bc458b6a109f2366b602c71bccf528a273243e431092ea
Likely solo-mined
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 4m 31s after the previous solo candidate (#287,033)
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.
Block Data
Time21 Feb 2014, 10:44 UTCConfirmations679,323Transactions27Size39,840 bytesWeight159,360 WU
Reward
Subsidy + Fees25.00572 BTCFees only0.00572 BTCValue at time$14,683BTC price$587Mining poolNot identified
Detection
Likely solo-mined
Final scoreBase score70History adj.+10Interval adj.0Pool signatureNone detected
80/100
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 win—Interval since lastFirst win everWins last 30d0
RecurrenceFirst win
IntervalNo prior win
This address has never received a block reward before — consistent with solo mining.
Payout Address
1F3HbFFZxKwWvQCUzPc73SoS9FCeEDsSWBTotal blocks
1
Solo candidates
1
Solo rate
100.0%
Coinbase Message (raw)
=a<RA-5)