🎓 Explain Like I'm 10
Bitcoin mining is a giant lottery. Every ~10 minutes, one miner wins 3.1405 Bitcoin — worth $212,233 today.
On Oct 8, 2025, this miner using mining hardware found block #918,121. 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
Hashrate (24h)
Unknown (est. from 19 blocks)
Estimated from block frequency (19 blocks found)
Solo blocks found (tracked)
19 blocks
🎯 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 1,550,517,375 was the winner.
01,550,517,375 ← winner4,294,967,295
1,550,517,375
Winning Nonce
2,744,449,920
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 (99.51%)
Fixed reward, halves every 4 years
Fees — 0.015467 BTC (0.49%)
From 2,774 transactions in this block
⚡ 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 — 19 Blocks Found
$4,034,358
Total USD value
Sep 18, 2025 · 13:09 UTC · Self-Hosted Solo
3.1426 BTC ≈ $212,374
Sep 23, 2025 · 15:24 UTC · Self-Hosted Solo
3.1502 BTC ≈ $212,893
⏱ 5 days since previous find
Sep 25, 2025 · 15:36 UTC · Self-Hosted Solo
3.1540 BTC ≈ $213,145
⏱ 2 days since previous find
Sep 27, 2025 · 18:09 UTC · Self-Hosted Solo
3.1342 BTC ≈ $211,809
⏱ 2 days since previous find
Oct 1, 2025 · 19:30 UTC · Self-Hosted Solo
3.1434 BTC ≈ $212,431
⏱ 4 days since previous find
Oct 3, 2025 · 03:50 UTC · Self-Hosted Solo
3.1487 BTC ≈ $212,788
⏱ 1 days since previous find
#918,121THIS BLOCK
Oct 8, 2025 · 03:50 UTC · Self-Hosted Solo
3.1405 BTC ≈ $212,233
⏱ 5 days since previous find
Oct 13, 2025 · 15:44 UTC · Self-Hosted Solo
3.1503 BTC ≈ $212,894
⏱ 5 days since previous find
Oct 18, 2025 · 20:37 UTC · Self-Hosted Solo
3.1392 BTC ≈ $212,150
⏱ 5 days since previous find
Oct 21, 2025 · 01:17 UTC · Self-Hosted Solo
3.1548 BTC ≈ $213,202
⏱ 2 days since previous find
Oct 23, 2025 · 12:30 UTC · Self-Hosted Solo
3.1350 BTC ≈ $211,863
⏱ 2 days since previous find
Nov 2, 2025 · 01:29 UTC · Self-Hosted Solo
3.1287 BTC ≈ $211,439
⏱ 10 days since previous find
Nov 10, 2025 · 22:45 UTC · Self-Hosted Solo
3.1356 BTC ≈ $211,905
⏱ 9 days since previous find
Nov 15, 2025 · 14:41 UTC · Self-Hosted Solo
3.1382 BTC ≈ $212,082
⏱ 5 days since previous find
Nov 15, 2025 · 17:20 UTC · Self-Hosted Solo
3.1387 BTC ≈ $212,116
⏱ 0 days since previous find
Nov 16, 2025 · 14:02 UTC · Self-Hosted Solo
3.1391 BTC ≈ $212,142
⏱ 1 days since previous find
Nov 17, 2025 · 01:02 UTC · Self-Hosted Solo
3.1382 BTC ≈ $212,081
⏱ 0 days since previous find
Nov 17, 2025 · 06:32 UTC · Self-Hosted Solo
3.1485 BTC ≈ $212,777
⏱ 0 days since previous find
Nov 20, 2025 · 07:07 UTC · Self-Hosted Solo
3.1375 BTC ≈ $212,033
⏱ 3 days since previous find