⛏️ Mining Connection Guide
From ESP32s to Industrial ASICs — every hash counts
⚠️ IMPORTANT: Choose the correct port for your miner's hashrate. Connecting a high-hashrate miner to the wrong port can cause performance issues and may result in disconnection.
Choose Your Port
🔧 Port 3337 - Hobby & Low-Power Miners
3337 Up to ~500 kH/sPerfect For:
- ESP32 miners (~2-5 MH/s SHA-256 equivalent)
- Raspberry Pi miners
- Educational and hobby mining devices
- Any ultra-low-power miner
Features:
- Starting difficulty: 0.01
- VarDiff range: 0.01 - 0.1
- Frequent share submissions for instant feedback
- Target: 1 share every 15 seconds
Connection Example:
stratum+tcp://hmpool.io:3337
Username: YOUR_BITCOIN_ADDRESS
Password: x
Username: YOUR_BITCOIN_ADDRESS
Password: x
⚡ Port 3335 - Mid-Range Miners
3335 ~500 kH/s to ~2 GH/sPerfect For:
- Bitaxe and similar compact ASIC miners
- USB stick miners (e.g. GekkoScience)
- Small FPGA miners
- Any miner in the MH/s to low GH/s range
Features:
- Starting difficulty: 1
- VarDiff range: 1 - 512
- Automatic difficulty adjustment
- Target: 1 share every 15 seconds
Connection Example:
stratum+tcp://hmpool.io:3335
Username: YOUR_BITCOIN_ADDRESS
Password: x
Username: YOUR_BITCOIN_ADDRESS
Password: x
🏭 Port 3336 - ASIC Miners
3336 ~2 GH/s and abovePerfect For:
- Antminer S9 (13-14 TH/s)
- Antminer S19 series (90-110 TH/s)
- Whatsminer M30S+ (100+ TH/s)
- Any dedicated ASIC miner above 2 GH/s
- Mining farms and large operations
Features:
- Starting difficulty: 1,024
- VarDiff range: 1,024 - 1,048,576
- Automatic difficulty adjustment for any hashrate
- Target: 1 share every 15 seconds
- Handles up to PH/s-class miners
Connection Example:
stratum+tcp://hmpool.io:3336
Username: YOUR_BITCOIN_ADDRESS
Password: x
Username: YOUR_BITCOIN_ADDRESS
Password: x
Difficulty Reference Table
| Hashrate | Recommended Port | Difficulty Range | Example Miners |
|---|---|---|---|
| Up to ~500 kH/s | 3337 | 0.01 - 0.1 | ESP32, Raspberry Pi, hobby devices |
| ~500 kH/s - ~5 MH/s | 3335 | 1 - 10 | USB miners, low-end sticks |
| ~5 MH/s - ~500 MH/s | 3335 | 10 - 512 | Bitaxe, GekkoScience, small FPGAs |
| ~500 MH/s - ~2 GH/s | 3335 | 128 - 512 | Multi-chip Bitaxe, compact ASICs |
| ~2 GH/s - ~50 TH/s | 3336 | 1,024 - 16,384 | Antminer S9, older ASICs |
| 50 TH/s - 150 TH/s | 3336 | 16,384 - 262,144 | Antminer S19, Whatsminer M30S |
| 150+ TH/s | 3336 | 262,144 - 1,048,576 | Latest generation ASICs, mining farms |
📊 Pool Information
- Pool Fee: 2% (competitive and fair)
- Payout Scheme: PPLNS (Pay Per Last N Shares)
- Minimum Payout: 0.0001 BTC
- Bech32 Support: Yes (bc1... addresses)
- Payment Interval: Every 10 minutes
- Network: Bitcoin Mainnet
💡 Pro Tip: If you're unsure which port to use, start with the higher port number for your hashrate range. The pool will automatically adjust difficulty to optimize your mining experience.