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SoloBlocks Block #858,978
CKPool Solo
Thursday, August 29, 2024 · 16:21 UTC · Aug 29, 2024
BLOCK #858,978
Total Block Reward
3.2747 BTC
≈ $221,303 USD
Block Height
858,978
in the Bitcoin chain
Found By
CKPool Solo
Solo mining pool
Difficulty
89.5T
network difficulty
Miner Hashrate
Unknown
Unknown device
Miner Luck
unknown
per-block odds
Winning Nonce
3,810,155,774
88.71% through search space
Transactions
2,391
1644.2 KB block
Fees Collected
0.1497 BTC
4.57% of reward
Block Interval
19.9 min
50.2% luck (🐢 slow)
🎓 Explain Like I'm 10

Bitcoin mining is a giant lottery. Every ~10 minutes, one miner wins 3.2747 Bitcoin — worth $221,303 today.


On Aug 29, 2024, this miner using mining hardware found block #858,978. 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 3,810,155,774 was the winner.
03,810,155,774 ← winner4,294,967,295
88.71%
3,810,155,774
Winning Nonce
88.71%
Through range
484,811,521
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 — 3.1250 BTC (95.43%)
Fixed reward, halves every 4 years
Fees — 0.149686 BTC (4.57%)
From 2,391 transactions in this block
3.125 BTC
Subsidy
0.1497 BTC
Tx Fees
6,260 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
#858,978THIS BLOCK
Aug 29, 2024 · 16:21 UTC · CKPool Solo
3.2747 BTC ≈ $221,303
🔍 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: b&feqt^lckpool/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
50.2%
Block Luck
😤 Unlucky
Time since prev block
19.9 min
Expected (10 min avg)
600 sec
Luck score
50.2% ↓
💡 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 #858,978
August 29, 2024 · 16:21 UTC
Reward3.2747 BTC
Value$221,303
PoolCKPool Solo
Winning Nonce3,810,155,774
Nonce Position88.71% of range
Transactions2,391
Fees Captured0.1497 BTC
SOLOBLOCKS.IO · Bitcoin Solo Mining Tracker
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