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SoloBlocks Block #890,635
NiceHash EasyMining
Thursday, April 3, 2025 · 01:13 UTC · Apr 3, 2025
BLOCK #890,635
Total Block Reward
3.1573 BTC
≈ $213,371 USD
Block Height
890,635
in the Bitcoin chain
Found By
NiceHash EasyMining
Solo mining pool
Difficulty
113.8T
network difficulty
Miner Hashrate
288.5 PH/s (est. from 5 blocks)
Large mining farm
Miner Luck
1 in 3,538
per-block odds
Winning Nonce
2,669,842,499
62.16% through search space
Transactions
2,650
1963.5 KB block
Fees Collected
0.0323 BTC
1.02% of reward
Block Interval
4.1 min
244.9% luck (⚡ fast)
🎓 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 Apr 3, 2025, against enormous odds, they hit the jackpot — block #890,635 worth $213,371. The cost of renting that hashrate? A fraction of the reward.

🎲 The Odds — Show Your Work
Miner's share of total Bitcoin hashrate 0.028262%
Miner: 288.5 PH/s vs Network: 1020.75 EH/s
Miner hashrate (Estimated from block frequency (5 blocks found))
288.5 PH/s
Bitcoin network hashrate
1020.75 EH/s
Chance of winning each block
1 in 3,538
Expected wait time at this hashrate
25 days
Expected blocks to find 1 solo block
3,538 blocks
Probability per block = miner_hashrate / network_hashrate
  = 288.5 PH/s / 1020.75 EH/s
  = 1 in 3,538

Expected wait = blocks_to_win × 10 minutes
  = 3,538 × 10 min = 25 days
⛏️ Miner Profile
Pool
NiceHash EasyMining
Hashrate (24h)
288.5 PH/s (est. from 5 blocks)
Estimated from block frequency (5 blocks found)
Active workers
0
Solo blocks found (tracked)
5 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 2,669,842,499 was the winner.
02,669,842,499 ← winner4,294,967,295
62.16%
2,669,842,499
Winning Nonce
62.16%
Through range
1,625,124,796
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 (98.98%)
Fixed reward, halves every 4 years
Fees — 0.032312 BTC (1.02%)
From 2,650 transactions in this block
3.125 BTC
Subsidy
0.0323 BTC
Tx Fees
1,219 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 — 5 Blocks Found
15.9458
Total BTC earned
$1,077,619
Total USD value
26 days
Avg between finds
Feb 23, 2025 · 18:32 UTC · NiceHash EasyMining
3.2631 BTC ≈ $220,521
#890,635THIS BLOCK
Apr 3, 2025 · 01:13 UTC · NiceHash EasyMining
3.1573 BTC ≈ $213,371
⏱ 38 days since previous find
Apr 8, 2025 · 01:02 UTC · NiceHash EasyMining
3.1338 BTC ≈ $211,781
⏱ 5 days since previous find
May 19, 2025 · 15:47 UTC · NiceHash EasyMining
3.2298 BTC ≈ $218,270
⏱ 42 days since previous find
Jun 6, 2025 · 19:54 UTC · NiceHash EasyMining
3.1618 BTC ≈ $213,677
⏱ 18 days since previous find
📊 At 288.5 PH/s hashrate, statistically expected to find a block every 25 days. Actual average: 26 days. ✅ Right on track.
🔍 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: ~=ckX/NiceHash/
📡
Hashrate from Estimated from block frequency (5 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
244.9%
Block Luck
🍀 Very lucky!
Time since prev block
4.1 min
Expected (10 min avg)
600 sec
Luck score
244.9% ↑
💡 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 #890,635
April 3, 2025 · 01:13 UTC
Reward3.1573 BTC
Value$213,371
PoolNiceHash EasyMining
Winning Nonce2,669,842,499
Nonce Position62.16% of range
Transactions2,650
Fees Captured0.0323 BTC
SOLOBLOCKS.IO · Bitcoin Solo Mining Tracker
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