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SoloBlocks Block #928,351
NiceHash EasyMining
Thursday, December 18, 2025 · 02:51 UTC · Dec 18, 2025
BLOCK #928,351
Total Block Reward
3.1525 BTC
≈ $213,043 USD
Block Height
928,351
in the Bitcoin chain
Found By
NiceHash EasyMining
Solo mining pool
Difficulty
148.2T
network difficulty
Miner Hashrate
109.6 PH/s (est. from 3 blocks)
Large mining farm
Miner Luck
1 in 9,310
per-block odds
Winning Nonce
3,422,661,398
79.69% through search space
Transactions
2,806
1270 KB block
Fees Collected
0.0275 BTC
0.87% of reward
Block Interval
18.2 min
54.9% luck (🐢 slow)
🎓 Explain Like I'm 10

Someone spent a small amount of money to rent mining power from NiceHash for a short time. They pointed it at the Bitcoin network solo, hoping to win the lottery.


On Dec 18, 2025, against enormous odds, they hit the jackpot — block #928,351 worth $213,043. The cost of renting that hashrate? A fraction of the reward.

🎲 The Odds — Show Your Work
Miner's share of total Bitcoin hashrate 0.010741%
Miner: 109.6 PH/s vs Network: 1020.75 EH/s
Miner hashrate (Estimated from block frequency (3 blocks found))
109.6 PH/s
Bitcoin network hashrate
1020.75 EH/s
Chance of winning each block
1 in 9,310
Expected wait time at this hashrate
65 days
Expected blocks to find 1 solo block
9,310 blocks
Probability per block = miner_hashrate / network_hashrate
  = 109.6 PH/s / 1020.75 EH/s
  = 1 in 9,310

Expected wait = blocks_to_win × 10 minutes
  = 9,310 × 10 min = 2.1 months
⛏️ Miner Profile
Pool
NiceHash EasyMining
Hashrate (24h)
109.6 PH/s (est. from 3 blocks)
Estimated from block frequency (3 blocks found)
Active workers
0
Solo blocks found (tracked)
3 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 3,422,661,398 was the winner.
03,422,661,398 ← winner4,294,967,295
79.69%
3,422,661,398
Winning Nonce
79.69%
Through range
872,305,897
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 — 3.1250 BTC (99.13%)
Fixed reward, halves every 4 years
Fees — 0.027452 BTC (0.87%)
From 2,806 transactions in this block
3.125 BTC
Subsidy
0.0275 BTC
Tx Fees
978 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 — 3 Blocks Found
9.4494
Total BTC earned
$638,589
Total USD value
95 days
Avg between finds
Jul 13, 2025 · 07:32 UTC · NiceHash EasyMining
3.1658 BTC ≈ $213,948
#928,351THIS BLOCK
Dec 18, 2025 · 02:51 UTC · NiceHash EasyMining
3.1525 BTC ≈ $213,043
⏱ 158 days since previous find
Jan 20, 2026 · 04:00 UTC · NiceHash EasyMining
3.1311 BTC ≈ $211,599
⏱ 33 days since previous find
📊 At 109.6 PH/s hashrate, statistically expected to find a block every 65 days. Actual average: 95 days. 😤 Unlucky so far.
🔍 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: _*Y7hy3e/h/NiceHash/
📡
Hashrate from Estimated from block frequency (3 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
54.9%
Block Luck
😤 Unlucky
Time since prev block
18.2 min
Expected (10 min avg)
600 sec
Luck score
54.9% ↓
💡 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 #928,351
December 18, 2025 · 02:51 UTC
Reward3.1525 BTC
Value$213,043
PoolNiceHash EasyMining
Winning Nonce3,422,661,398
Nonce Position79.69% of range
Transactions2,806
Fees Captured0.0275 BTC
SOLOBLOCKS.IO · Bitcoin Solo Mining Tracker
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