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Block #173,493
000000000000039585b591cc4da63c2a995cde023ec4341cd7b29769132dcecf
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 5m 52s after the previous solo candidate (#173,492)
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, 01:45 UTCConfirmations793,475Transactions15Size6,472 bytesWeight25,888 WU
Reward
Subsidy + Fees50.00350 BTCFees only0.00350 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 (350000 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 (raw)
~Pk/P2SH/