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SoloBlocks Block #803,821
CKPool Solo
Friday, August 18, 2023 · 23:35 UTC · Aug 18, 2023
BLOCK #803,821
Total Block Reward
6.3187 BTC
≈ $427,020 USD
Block Height
803,821
in the Bitcoin chain
Found By
CKPool Solo
Solo mining pool
Difficulty
52.4T
network difficulty
Miner Hashrate
Unknown
Unknown device
Miner Luck
unknown
per-block odds
Winning Nonce
3,843,867,181
89.5% through search space
Transactions
3,590
1541.9 KB block
Fees Collected
0.0687 BTC
1.09% of reward
Block Interval
1.4 min
705.9% luck (⚡ fast)
🎓 Explain Like I'm 10

Bitcoin mining is a giant lottery. Every ~10 minutes, one miner wins 6.3187 Bitcoin — worth $427,020 today.


On Aug 18, 2023, this miner using mining hardware found block #803,821. 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

Hashrate unknown for this miner — odds cannot be calculated. They found a single block; their true hashrate is a mystery.

⛏️ Miner Profile
Pool
CKPool Solo
Hashrate (24h)
Unknown
unknown
Active workers
0
Solo blocks found (tracked)
1 block
🎯 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 3,843,867,181 was the winner.
03,843,867,181 ← winner4,294,967,295
89.5%
3,843,867,181
Winning Nonce
89.5%
Through range
451,100,114
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 ~4294967.3ms.
💸 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 — 6.2500 BTC (98.91%)
Fixed reward, halves every 4 years
Fees — 0.068737 BTC (1.09%)
From 3,590 transactions in this block
6.250 BTC
Subsidy
0.0687 BTC
Tx Fees
1,915 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 — 1 Block Found
#803,821THIS BLOCK
Aug 18, 2023 · 23:35 UTC · CKPool Solo
6.3187 BTC ≈ $427,020
🔍 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: C'ds/g`ckpool/solo.ckpool.org/
Hashrate unknown
This pool doesn't expose per-miner API data. We can't verify the exact hashrate — only that they found the block.
❓ 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
705.9%
Block Luck
🍀 Very lucky!
Time since prev block
1.4 min
Expected (10 min avg)
600 sec
Luck score
705.9% ↑
💡 Fast block — the network found this block faster than average. The miner had a shorter window to solve it. Luck > 100% means a faster-than-expected find.
🎖 Block Certificate
⚡ Solo Block Certificate
BLOCK #803,821
August 18, 2023 · 23:35 UTC
Reward6.3187 BTC
Value$427,020
PoolCKPool Solo
Winning Nonce3,843,867,181
Nonce Position89.5% of range
Transactions3,590
Fees Captured0.0687 BTC
SOLOBLOCKS.IO · Bitcoin Solo Mining Tracker
Want to Try Your Luck?
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