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SoloBlocks Block #493,496
CKPool Solo
Tuesday, November 7, 2017 · 17:09 UTC · Nov 7, 2017
BLOCK #493,496
Total Block Reward
15.2788 BTC
≈ $1,032,540 USD
Block Height
493,496
in the Bitcoin chain
Found By
CKPool Solo
Solo mining pool
Difficulty
1.5T
network difficulty
Miner Hashrate
3.1 PH/s (est. from 4 blocks)
Large mining farm
Miner Luck
1 in 333,351
per-block odds
Winning Nonce
3,795,118,365
88.36% through search space
Transactions
2,599
976.6 KB block
Fees Collected
2.7788 BTC
18.19% of reward
Block Interval
16.6 min
60.2% luck (🐢 slow)
🎓 Explain Like I'm 10

Bitcoin mining is a giant lottery. Every ~10 minutes, one miner wins 15.2788 Bitcoin — worth $1,032,540 today.


On Nov 7, 2017, this miner using a Large mining farm found block #493,496. They were mining alone — no big pool, just their own machines competing directly against the entire Bitcoin network (1020.75 EH/s total).


Winning solo means keeping 100% of the reward — no pool fees, no sharing. High risk, high reward.

🎲 The Odds — Show Your Work
Miner's share of total Bitcoin hashrate 0.000300%
Miner: 3.1 PH/s vs Network: 1020.75 EH/s
Miner hashrate (Estimated from block frequency (4 blocks found))
3.1 PH/s
Bitcoin network hashrate
1020.75 EH/s
Chance of winning each block
1 in 333,351
Expected wait time at this hashrate
6.3 years
Expected blocks to find 1 solo block
333,351 blocks
Probability per block = miner_hashrate / network_hashrate
  = 3.1 PH/s / 1020.75 EH/s
  = 1 in 333,351

Expected wait = blocks_to_win × 10 minutes
  = 333,351 × 10 min = 6.3 years
⛏️ Miner Profile
🏗️
Pool
CKPool Solo
Hashrate (24h)
3.1 PH/s (est. from 4 blocks)
Estimated from block frequency (4 blocks found)
Active workers
0
Solo blocks found (tracked)
4 blocks
🏗️
Large mining farm
Thousands of ASICs, industrial power
🎯 The Winning Number — Nonce Visualizer
To mine a block, the miner cycles through numbers from 0 to 4,294,967,295 at billions per second, checking if each produces a valid hash. Number 3,795,118,365 was the winner.
03,795,118,365 ← winner4,294,967,295
88.36%
3,795,118,365
Winning Nonce
88.36%
Through range
499,848,930
Numbers after
💡 The miner also tried different extra nonce values — restarting from 0 each time the full 4.29B range was exhausted. Modern ASICs can cycle through the entire nonce space in ~0ms.
💸 Fee Breakdown — What the Miner Captured
The block reward has two parts: a fixed subsidy set by Bitcoin protocol, plus transaction fees paid by users who wanted their transactions included.
Subsidy — 12.5000 BTC (81.81%)
Fixed reward, halves every 4 years
Fees — 2.778785 BTC (18.19%)
From 2,599 transactions in this block
12.500 BTC
Subsidy
2.7788 BTC
Tx Fees
106,917 sat
Avg fee/tx
⚡ Solo miners keep 100% of fees — no pool takes a cut. In pool mining, the fee revenue is also split among all pool members.
🏆 Miner Block History — 4 Blocks Found
56.8411
Total BTC earned
$3,841,321
Total USD value
55 days
Avg between finds
#493,496THIS BLOCK
Nov 7, 2017 · 17:09 UTC · CKPool Solo
15.2788 BTC ≈ $1,032,540
Dec 14, 2017 · 11:14 UTC · CKPool Solo
16.3922 BTC ≈ $1,107,788
⏱ 37 days since previous find
Mar 17, 2018 · 18:22 UTC · CKPool Solo
12.6638 BTC ≈ $855,821
⏱ 93 days since previous find
Apr 21, 2018 · 21:00 UTC · CKPool Solo
12.5062 BTC ≈ $845,172
⏱ 35 days since previous find
📊 At 3.1 PH/s hashrate, statistically expected to find a block every 6 years. Actual average: 55 days. 🍀 Running hot!
🔍 How We Know This
⛓️
Block is on the Bitcoin blockchain
The block hash starts with many zeros — proof of work that cannot be faked. It's in Bitcoin's immutable history forever.
🏷️
Pool identified from coinbase tag
The coinbase transaction contains a text signature: Z}]ZZGckpool/solo.ckpool.org/
📡
Hashrate from Estimated from block frequency (4 blocks found)
We query the pool's public API using the miner's wallet address to get their actual submitted hashrate.
❓ What is Solo Mining?

In pool mining, thousands of miners work together and split the reward every time they find a block.


In solo mining, you work alone. You keep 100% of the reward — but you might go years without finding anything.


The Bitcoin network produces ~52,560 blocks per year. Each block currently pays 3.125 BTC.


Every solo block is proof that small miners can still win. 🎉

⏱ Block Timing & Luck
60.2%
Block Luck
😤 Unlucky
Time since prev block
16.6 min
Expected (10 min avg)
600 sec
Luck score
60.2% ↓
💡 Slow block — the network took longer than average. This miner kept hashing through a tough stretch. Luck > 100% means a faster-than-expected find.
🎖 Block Certificate
⚡ Solo Block Certificate
BLOCK #493,496
November 7, 2017 · 17:09 UTC
Reward15.2788 BTC
Value$1,032,540
PoolCKPool Solo
Winning Nonce3,795,118,365
Nonce Position88.36% of range
Transactions2,599
Fees Captured2.7788 BTC
SOLOBLOCKS.IO · Bitcoin Solo Mining Tracker
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