18 min readUpdated: 30. May 2026 · By Makar

TL;DR: Ubiq (UBQ) is an Ethereum Classic fork that uses the Ubqhash algorithm — essentially Ethash with different parameters. Setting up solo mining requires running a full Geth node, configuring your GPU miner, and understanding that block times average 88 seconds with network hashrate around 5-10 GH/s. With a 100 MH/s GPU rig, you’re looking at roughly 1 block every 1-2 weeks at current difficulty. Let me break this down: the technical setup is straightforward if you’ve worked with ETH or ETC before, but the small network size means your variance will be higher than mining more established coins.

I spent about three months testing Ubiq solo mining last year. The blockchain synced in maybe 6 hours on an SSD, which honestly surprised me — most ETH forks take longer. What really caught my attention was how stable the difficulty stayed compared to coins that see huge hashrate swings.

Understanding Ubiq’s Position in the Ethereum Fork Ecosystem

Ubiq launched in 2017 as a fork of Ethereum, positioning itself as a stable smart contract platform without the constant protocol changes. The project took the Ethereum codebase and modified block time to 88 seconds instead of 15 seconds.

Why does this matter for solo miners?

The longer block time means fewer blocks per day — around 982 blocks instead of Ethereum’s theoretical 5,760. Current block reward is 1 UBQ plus transaction fees, which typically add another 0.05-0.15 UBQ per block. Network hashrate fluctuates between 5-10 GH/s depending on profitability and GPU miner attention.

The Ubqhash algorithm is Ethash-compatible. Any miner that works with Ethereum Classic works with Ubiq — you just need to point it at your Geth node with the right RPC settings. I’ve tested Phoenix Miner, TeamRedMiner, and lolMiner. All three work perfectly.

Important detail: Ubiq didn’t implement EIP-1559 or the difficulty bomb. This means predictable block rewards without the fee burning mechanism Ethereum introduced. For solo miners, this simplicity is actually refreshing — you know exactly what each block will pay.

Technical Requirements for Ubiqminer Solo Mining Setup

The technical stack breaks down into three components: your Geth node, your GPU hardware, and your mining software. Each piece needs proper configuration.

Full Node Setup Requirements

You’ll need Ubiq’s modified Geth client — they call it go-ubiq. Hardware requirements are modest compared to ETH mainnet:

Storage: 40-50 GB for the full blockchain (as of early 2026)
RAM: 4 GB minimum, 8 GB recommended for smooth operation
CPU: Any modern quad-core handles it fine
Network: Stable broadband connection, at least 10 Mbps down/up

The blockchain grows roughly 2-3 GB per month. That growth rate is sustainable even on budget hardware. I run my Ubiq node on the same machine that handles my Litecoin solo mining node — a basic Intel i5 with 16 GB RAM and a 1 TB SSD.

GPU Hardware Considerations

Ubqhash uses a DAG file like all Ethash variants. Current DAG size is around 3.8 GB, which means you need GPUs with at least 4 GB VRAM. Realistically, 6 GB or 8 GB cards give you more longevity as the DAG grows roughly 80 MB per year.

Hashrate performance mirrors Ethereum Classic pretty closely:

AMD RX 6800: ~60 MH/s at 130W with optimized settings
NVIDIA RTX 3070: ~55 MH/s at 120W
AMD RX 580 8GB: ~30 MH/s at 135W (still viable for solo mining small coins)
NVIDIA RTX 3060 Ti: ~45 MH/s at 110W

Power efficiency matters more for solo mining than raw hashrate. Why? Because you’re running 24/7 potentially for weeks between blocks. A 100 MH/s rig pulling 600W costs you roughly $65/month at $0.15/kWh. That’s your baseline cost whether you hit a block or not.

AMD Radeon RX 6800 Graphics Card

Strong Ethash performance at 60 MH/s with excellent efficiency around 130W. Solid choice for Ubiq solo mining if you’re building a dedicated rig.

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Step-by-Step Ubiq Geth Node Configuration

Setting up your Ubiq node is the foundation of your solo mining operation. The process takes maybe an hour if you’ve never compiled crypto software before, or 15 minutes if you have.

Installing Go-Ubiq

First, grab the latest go-ubiq release from the official Ubiq GitHub repository. For Linux (which I recommend for mining nodes):

wget https://github.com/ubiq/go-ubiq/releases/download/v3.2.0/gubiq-linux-amd64-3.2.0.tar.gz tar -xvf gubiq-linux-amd64-3.2.0.tar.gz sudo mv gubiq /usr/local/bin/

Verify installation: gubiq version

You should see version information printed. If you get “command not found”, check your PATH variable.

Syncing the Blockchain

Start your node with RPC enabled for mining. Create a start script to make this easier:

#!/bin/bash gubiq --http --http.addr "127.0.0.1" --http.port 8588 --http.api "eth,web3,net" --mine --miner.threads 0 --miner.etherbase YOUR_WALLET_ADDRESS

Replace YOUR_WALLET_ADDRESS with your actual Ubiq wallet address. The --miner.threads 0 flag disables CPU mining (you don’t want that — GPUs are far more efficient).

The data shows: initial sync takes 4-8 hours on decent hardware with SSD storage. Watch your sync progress: gubiq attach then eth.syncing in the console. When it returns false, you’re fully synced.

Make sure to keep port 30388 open for peer connections. Running behind a firewall? Forward that port or your node will have trouble finding peers.

Wallet Setup

You need a Ubiq wallet address before starting the node. The easiest method is using the built-in account creation:

gubiq account new

This creates a new keystore file in your data directory and prompts for a password. Write down that password. Store the keystore file somewhere safe — if you lose both, you lose access to any blocks you mine.

Alternative: Use MyEtherWallet set to Ubiq network. Any Ethereum-compatible wallet works since Ubiq uses the same address format.

GPU Miner Configuration for Ubiq Solo Mining

Once your node is synced, configuring the GPU miner is straightforward. I’ll cover three popular miners that work well with Ubiq.

Phoenix Miner Setup

Phoenix Miner is my go-to for AMD cards on Ethash variants. Create a batch file (Windows) or shell script (Linux):

PhoenixMiner.exe -pool http://127.0.0.1:8588 -coin ubq -wal YOUR_WALLET_ADDRESS -worker rig1 -proto 3

The -proto 3 flag ensures compatibility with Geth’s RPC interface. The -coin ubq parameter tells Phoenix Miner to use Ubqhash algorithm parameters.

AMD-specific optimizations I use:

-clKernel 1 -gt 250 -rxboost 1 -strap 1

These flags enable compute mode kernel, increase GPU utilization, apply memory boost, and load optimized memory timings. Your hashrate should jump 10-15% with proper tuning.

TeamRedMiner Configuration

TeamRedMiner excels with newer AMD cards like the RX 6000 series. Command line syntax:

teamredminer -a ethash -o stratum+tcp://127.0.0.1:8588 -u YOUR_WALLET_ADDRESS -p x --eth_stratum ethproxy

The --eth_stratum ethproxy parameter is necessary for solo mining through your local node. Without it, TeamRedMiner expects a pool-style stratum connection.

For memory timing optimization on RDNA2 cards: --eth_aggr_mode can boost hashrate by another 5-8%.

lolMiner Setup for Mixed Rigs

If you’re running mixed AMD/NVIDIA rigs, lolMiner handles both:

lolMiner --algo ETHASH --pool 127.0.0.1:8588 --user YOUR_WALLET_ADDRESS --ethstratum ETHV1

The --ethstratum ETHV1 flag enables compatibility with Geth’s RPC interface. I’ve found lolMiner particularly stable for long solo mining sessions — it handles temporary node disconnections better than some alternatives.

Overclocking and Tuning

Proper tuning makes a real difference in solo mining profitability. For AMD RX 6800 running Ubiq:

Core Clock: 1200 MHz (underclocked for efficiency)
Memory Clock: 2150 MHz (the key metric for Ethash)
Core Voltage: 750 mV
Power Limit: 130W
Fan Speed: 60-70% (keep temps below 70°C)

These settings deliver around 60 MH/s at 130W on the wall. Your exact numbers depend on silicon lottery and ambient temperature.

For NVIDIA cards, memory clock matters most. An RTX 3070 benefits from +1200 MHz on memory with -200 MHz core clock and 55% power limit. Test stability with at least 24 hours of continuous mining before considering settings finalized.

Solo Mining Probability and Block Expectations

Let me break this down mathematically. Understanding your actual block odds prevents unrealistic expectations.

Current Network Statistics

As of early 2026, Ubiq network parameters:

Network Hashrate: ~8 GH/s (varies between 5-10 GH/s)
Block Time: 88 seconds average
Blocks Per Day: ~982 blocks
Block Reward: 1 UBQ + fees (typically 1.05-1.15 UBQ total)
Current Difficulty: ~230 TH

Your probability of finding a block is your hashrate divided by network hashrate. With 100 MH/s on an 8 GH/s network, you control approximately 1.25% of the hashrate. Statistically, this translates to an estimated 12 blocks per day (1.25% of 982 daily blocks) — though it’s important to understand that mining is probabilistic, not deterministic. In practice, you might find several blocks in quick succession, then experience longer dry spells. The math suggests one block roughly every 2 hours on average, but variance means actual results will deviate significantly from this expectation, especially over short timeframes.

Realistic Expectations

With a 100 MH/s rig, here’s what to expect over different timeframes at current difficulty:

24 hours: 8-16 blocks (high variance)
1 week: 70-100 blocks (variance smoothing out)
1 month: 350-400 blocks (close to mathematical expectation)

Important detail: These numbers assume stable network hashrate. When Ubiq briefly spikes in profitability, more miners jump on and your block odds drop proportionally. When profitability drops, hashrate decreases and your odds improve.

Profitability Analysis and Cost Calculations

Solo mining profitability depends on three variables: your hashrate, electricity costs, and UBQ price. Let’s run real numbers.

Revenue Calculation

With 100 MH/s finding approximately 12 blocks per day at 1.1 UBQ per block:

Daily revenue: 12 blocks × 1.1 UBQ = 13.2 UBQ/day

At current UBQ price around $0.20-0.30 (it fluctuates wildly), that’s $2.64 – $3.96 per day in revenue.

Monthly: ~400 UBQ = $80-120

But here’s the honest warning: UBQ liquidity is limited. You can’t dump 400 UBQ instantly without affecting the market. Most solo miners hold or sell gradually.

Electricity Cost Reality

A 100 MH/s rig typically pulls 500-600W at the wall with optimized settings. At $0.15/kWh:

600W × 24 hours = 14.4 kWh/day
14.4 kWh × $0.15 = $2.16/day
Monthly: $64.80

So profit margins are thin: $80-120 revenue minus $65 electricity = $15-55/month profit. That’s assuming you hit your expected block count. Variance could leave you negative some months, positive others.

Electricity rates vary significantly by region and country. In Europe, for example, rates range from approximately €0.15/kWh in some countries to over €0.40/kWh in others. At higher rates like $0.25/kWh, electricity costs rise to $108/month — potentially wiping out profits entirely depending on UBQ price and whether you hit your expected block count.

Hardware Depreciation

Don’t forget hardware costs. A decent 100 MH/s rig costs $1,500-2,500 depending on GPU prices. Expected lifespan running 24/7: 2-3 years. That’s roughly $40-70/month in depreciation.

Real monthly profit: $15-55 revenue – $40-70 depreciation = Break-even to slightly negative

Why mine Ubiq solo then? Because you’re betting on future price appreciation and learning the technical skills. The data shows that successful solo miners treat it as a long-term investment, not quick profit.

Monitoring and Maintenance Best Practices

Running a solo mining operation requires active monitoring. You can’t just set it and forget it — at least not if you want optimal results.

Node Health Monitoring

Your Geth node needs regular attention. Key metrics to watch:

Peer Count: Maintain at least 5-10 active peers
Block Height: Compare against public explorers to confirm you’re in sync
Disk Space: The blockchain grows continuously
Memory Usage: Geth can leak memory over weeks of uptime

I restart my Ubiq node once per week during a scheduled maintenance window. This clears any accumulated memory issues and ensures peer list stays fresh. Check node status with: gubiq attach then admin.peers to see connected peers.

GPU Temperature Management

Memory temperature is critical for Ethash mining. GDDR6 and GDDR6X can thermal throttle above 100°C on the memory junction. Ideal operating range: 70-90°C on memory sensors.

Cooling improvements that actually work:

Replace stock thermal pads with 1.5-2.0mm high-quality pads
Increase case airflow with additional intake fans
Slightly increase fan curves (60-70% instead of 50%)
Mining in a cool basement vs hot attic makes 10-15°C difference

For remote monitoring, I use TeamViewer for my solo mining rigs. Checking temperatures from your phone while at school saves trips to the mining room.

Automated Restart Scripts

Miners crash. It happens. Set up automatic restart on failure:

Linux watchdog script:

#!/bin/bash while true; do ./phoenixminer.sh echo "Miner crashed, restarting in 10 seconds..." sleep 10 done

This simple loop restarts your miner automatically if it crashes. For Windows, use Task Scheduler with “restart on failure” settings.

Comparing Solo Mining vs Pool Mining for Ubiq

Should you solo mine Ubiq or join a pool? The answer depends on your risk tolerance and setup.

Pool Mining Advantages

Ubiq has several active pools with reasonable fees (1-2%):

UbiqPool: 1% fee, PPLNS payout
MiningPoolHub: 0.9% fee, supports Ubiq among many coins
Minerpool: 2% fee, automatic payouts

With pool mining, you get steady daily payouts. 100 MH/s earns approximately 13 UBQ/day consistently. No variance, no dry spells, just predictable income.

But you pay fees and give up the lottery aspect.

Solo Mining Advantages

Why I prefer solo mining Ubiq despite the variance:

Learning experience: Running your own node teaches you how blockchains actually work. You see each block propagate, understand uncle rates, and learn network dynamics.

No pool fees: That 1-2% saved adds up over months. On 400 UBQ/month, you save 4-8 UBQ by going solo.

Full block rewards: Occasionally you’ll hit a block with high transaction fees — maybe 2-3 UBQ instead of 1.1. Pools average these out, but solo miners capture the full upside.

Network support: More solo miners means better decentralization. Large pools hitting 40-50% network hashrate threaten the whole point of cryptocurrency.

For comparison with other solo mining options, check out our Ravencoin solo mining profitability analysis — KawPow offers similar GPU mining opportunities with different risk/reward profiles.

Troubleshooting Common Ubiqminer Solo Mining Setup Issues

You’ll hit problems. Everyone does. Here are solutions to the most common issues I’ve encountered.

Node Won’t Sync

Symptom: Geth stuck at specific block height, not progressing

Solution: Clear peer list and force resync of problematic blocks:

gubiq removedb gubiq --syncmode "fast"

Fast sync mode downloads state snapshots instead of processing every transaction. Much faster than full sync for getting operational quickly.

Miner Shows Zero Hashrate

Symptom: GPU miner connects but reports 0 MH/s

Solution: Usually a DAG generation issue. Check:

GPU has enough VRAM (minimum 4 GB, better with 6-8 GB)
DAG directory has write permissions
Virtual memory/swap is sufficient (16 GB recommended)

On Windows, increase virtual memory: System Properties → Advanced → Performance Settings → Advanced → Virtual Memory. Set it to 16,384 MB minimum.

Symptom: Finding shares but they’re rejected as stale

Solution: Stale shares in solo mining mean your node isn’t keeping up with the network. Check:

Node is fully synced (not lagging blocks behind)
Network latency to peers is reasonable (under 100ms)
CPU isn’t maxed out processing blocks

If running the node on the same machine as your GPUs, consider moving it to a separate system. Geth can spike CPU usage during block processing.

RPC Connection Refused

Symptom: Miner can’t connect to http://127.0.0.1:8588

Solution: Geth RPC isn’t enabled or listening on wrong interface. Verify your start command includes:

--http --http.addr "127.0.0.1" --http.port 8588 --http.api "eth,web3,net"

Test RPC manually: curl -X POST --data '{"jsonrpc":"2.0","method":"eth_blockNumber","params":[],"id":1}' http://127.0.0.1:8588

You should get a response with the current block number in hex format.

Alternative Coins Worth Considering for GPU Solo Mining

Ubiq isn’t the only viable option for GPU solo mining. Sometimes diversification makes sense.

Similar network sizes and algorithms worth exploring:

Ethereum Classic (ETC): Much larger network (140+ TH/s) but proportionally higher block rewards. Solo mining requires 1+ GH/s to be viable. Worth considering if you scale up.

Ravencoin (RVN): KawPow algorithm, ~5 TH/s network, 2,500 RVN block reward. Solo mining Ravencoin offers better liquidity than Ubiq for selling rewards.

Firo (FIRO): FiroPow algorithm (similar to Ethash), small network around 2 TH/s. Privacy-focused coin with decent community. Check our Firo solo mining guide for setup details.

Neoxa (NEOX): Another KawPow coin with even smaller network than Ubiq. Higher variance but faster block times. Our Neoxa calculator helps estimate block odds.

The pattern I’ve noticed: coins with 5-20 GH/s networks offer the sweet spot for GPU solo mining. Large enough to have active development and exchanges, small enough that a home rig has meaningful hashrate percentage.

For a completely different approach, consider Ergo’s Autolykos algorithm — memory-hard like Ethash but with different economic model focused on long-term sustainability.

Final Thoughts: Is Ubiq Solo Mining Worth It in 2026?

After months of running Ubiq solo mining alongside other coins, here’s my honest assessment:

It’s worth it if you value the learning experience and can absorb the variance. You won’t get rich mining Ubiq — the network is too small and the coin’s market cap too low for significant profits. But the technical education is valuable.

Setting up your own Ubiq node teaches you more about blockchain mechanics than any course. You learn about peer-to-peer networks, consensus mechanisms, transaction propagation. You see uncle blocks happen in real-time and understand why they occur.

Profitability? Marginal at best. The $15-55/month profit (when accounting for electricity and hardware depreciation) barely justifies the effort. You could work a couple hours at a part-time job and earn more.

But that misses the point. Solo mining isn’t about maximizing immediate returns. It’s about:

Supporting smaller blockchain networks
Maintaining decentralization
Learning technical skills that transfer to other cryptocurrencies
The satisfaction of hitting blocks yourself instead of sharing rewards

My recommendation: Start with one GPU, maybe 30-60 MH/s worth of hashrate. Run it for 2-3 months and see how you like the variance. If you can handle days without blocks followed by hitting 3 blocks in an afternoon, scale up. If the unpredictability stresses you out, stick with pools or consider switching between solo and pool mining based on market conditions.

The setup process itself takes maybe 4-6 hours start to finish: installing Geth, syncing the blockchain, configuring your miner, tuning your GPUs. Not a huge time investment to try it out.

Documentation matters — keep notes on your settings, block finds, issues encountered. You’ll thank yourself later when troubleshooting problems or sharing knowledge with other miners.

Frequently Asked Questions

Can I mine Ubiq with the same settings as Ethereum Classic?

Mostly yes. Ubiq uses Ubqhash which is essentially Ethash with minor parameter differences. Your ETC overclock settings work fine for Ubiq. The main difference is pointing your miner at your Ubiq node’s RPC port (8588 by default) instead of an ETC pool. DAG size is similar, hashrate will be within 1-2% of your ETC hashrate.

How much can I realistically earn solo mining Ubiq with 100 MH/s?

At current network hashrate around 8 GH/s and UBQ price of $0.20-0.30, expect roughly $80-120/month before electricity costs. That’s assuming you hit your statistical expected blocks — actual results vary significantly day to day. Some weeks you’ll earn $40, other weeks $100. Electricity costs about $65/month at $0.15/kWh, leaving $15-55 profit. Hardware depreciation eats most of that, so don’t expect significant income. Think of it as a learning investment that might pay off if UBQ price increases.

What happens if I find a block while my node is slightly out of sync?

Your block gets orphaned — you don’t receive the reward. This is why node health monitoring matters so much for solo mining. Check your node’s current block height against a public Ubiq explorer every few hours. If you’re more than 5-10 blocks behind, something’s wrong with your sync or peer connections. A properly configured node on stable internet should stay within 1-2 blocks of the chain tip at all times. I’ve lost exactly one block this way when my internet dropped for 30 seconds during a found block — painful lesson in the importance of stable connectivity.

Is 4 GB VRAM enough for Ubiq solo mining in 2026?

Technically yes right now, but you’re cutting it close. Current Ubiq DAG size is around 3.8 GB, leaving minimal headroom on 4 GB cards. The DAG grows roughly 80 MB per year, so by late 2026 you’ll start hitting VRAM limits. Cards need some VRAM overhead for operating system and other processes — when you hit 95%+ VRAM usage, hashrate drops and stability suffers. Better to use 6 GB cards if possible. RX 580 8GB or GTX 1660 Super work great and are relatively cheap on the used market.

Should I solo mine or pool mine Ubiq?

It depends on whether you prefer steady income or gambling on variance. Pool mining gives you consistent daily payouts — about 13 UBQ per day with 100 MH/s minus 1-2% pool fees. You know exactly what to expect. Solo mining means you might hit 15 blocks in one day and then nothing for 48 hours. Over months the math averages out similar to pools (actually slightly better since you save the fees), but the variance is psychologically challenging. I prefer solo because I value running my own node and supporting decentralization. But if you need predictable income to cover electricity costs, pools make more sense. No wrong answer — just different risk tolerances.