← Back to blocks Explore mining hardware View wallet profile
Block #276,211
0000000000000002d80096924d9e2d5aec96382441fe301ae8cc3aa70b945ac1
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 9h 01m after the previous solo candidate (#276,153)
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 Dec 2013, 13:05 UTCConfirmations690,382Transactions74Size117,609 bytesWeight470,436 WU
Reward
Subsidy + Fees25.01029 BTCFees only0.01029 BTCValue at time$16,907BTC price$676Mining 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
16t6kmzQrrWRUubSedN948fSqDNU4KWKkLTotal blocks
1
Solo candidates
1
Solo rate
100.0%
Coinbase Message (raw)
6UZJ