← Back to blocks Explore mining hardware
Block #173,548
00000000000004cd34e0c14d5fd1887e968181b2dd0955b2ead1f21f8cdfa6d1
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
- Found 2m 09s after the previous solo candidate (#173,547)
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
Time30 Mar 2012, 10:04 UTCConfirmations792,827Transactions10Size3,761 bytesWeight15,044 WU
Reward
Subsidy + Fees50.00300 BTCFees only0.00300 BTCValue at time$228BTC price$5Mining poolNot identified
Detection
Likely solo-mined
Final scoreBase score75History adj.+10Interval adj.0Pool signatureNone detected
85/100
no pool signature; unknown coinbase pattern; fresh payout address (DB); no reuse 24h; no reuse 7d; low fees (300000 sats); 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 score85/100
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.
Coinbase Message (hex — non-printable)
04 7e 50 0a 1a 02 8d 01