
Mining altcoins starts with three choices: the coin, the hardware, and the pool. A poor match can make electricity cost more than the reward. This guide explains how to choose an algorithm, configure a rig, connect to a pool, and calculate break-even before buying equipment.
Start with a wallet, your electricity rate, and the coin’s mining algorithm. Mining software connects the hardware to a pool. The wallet receives payouts from that pool.
Check these items before buying equipment:
Some pools identify miners by wallet address instead of an account. Their required address and worker formats can differ. Read the setup page for the chosen pool before configuring the miner.
Without a working wallet and a known cost per kilowatt-hour, hardware profitability remains a guess.
Choose the algorithm before choosing the miner. An ASIC targets a narrow set of algorithms. A GPU can move between several compatible workloads, while some algorithms favor CPUs.
| Coin | Algorithm | Hardware to evaluate | Check before mining |
|---|---|---|---|
| Ravencoin (RVN) | KAWPOW | GPU | Network difficulty and hashrate per watt |
| Ethereum Classic (ETC) | ETCHash | GPU or compatible ASIC | Device memory and software compatibility |
| Monero (XMR) | RandomX | CPU | Benchmark hashrate and wall power |
Ravencoin documents KAWPOW as its mining algorithm. Ethereum Classic documents ETCHash and supports GPUs and compatible ASICs. Monero uses RandomX, and its mining guide says CPUs perform the workload more efficiently than GPUs.
A profitability ranking can become outdated when price or network difficulty changes. Collect difficulty, expected coin yield, exchange price, and electricity cost at the same time. Recalculate when any input changes.
Hardware must match both the algorithm and the available electrical circuit. Compare mining benchmarks for the exact device, software version, and algorithm. A gaming power rating does not prove mining hashrate or wall consumption.
| Hardware type | Best fit | Advantage | Main constraint |
|---|---|---|---|
| ASIC | One supported algorithm or algorithm family | High hashrate for its target workload | Limited ability to switch algorithms |
| GPU rig | GPU-compatible algorithms | Can switch between supported coins | Requires tuning and several components |
| CPU system | RandomX and similar workloads | Can test hardware already owned | Low revenue on unsuitable algorithms |
An ASIC cannot follow revenue to an unrelated algorithm. Its full cost includes the miner, power delivery, ventilation, shipping, and possible electrical work. Noise and heat can also rule out a residential location.
A GPU rig offers more choice between supported algorithms. That flexibility reduces dependence on one coin. Profit still depends on the card’s measured hashrate, wall power, purchase price, and resale value.
CPU mining fits workloads designed for general-purpose processors. Monero’s RandomX documentation provides one example. Benchmark hardware already owned before buying a dedicated system.
Plan the build around measured wall power. Include the motherboard, processor, storage, risers, and fans. The power supply also needs enough capacity for changes in load.
At startup, check fan operation, device detection, temperatures, and wall consumption. Stop if a connector heats up or the circuit trips. Repeated device loss also points to an unstable configuration.
A lower stable clock can outperform an aggressive setting over time. Crashes, rejected shares, and downtime erase a small hashrate gain.
Choose software that supports the algorithm, hardware, and operating system. Use the developer’s repository or the project’s documented link. Verify a signature or checksum when the developer supplies one.
A pool connection command often includes an algorithm, Stratum endpoint, wallet address, and worker name:
miner --algo kawpow --server stratum+tcp://pool.example:1234 --user WALLET.worker --pass x
Every value above is a placeholder. Copy the real endpoint and formatting rules from the pool’s setup page. The miner should then report accepted, stale, or rejected shares.
Begin with stock settings and confirm accepted shares. Change one voltage, clock, or power setting at a time. Record wall watts, hashrate, rejected shares, and crashes after each change.
Compare watts per unit of hashrate instead of hashrate alone. Restore the last stable setting if power use rises faster than output.
Pool mining converts irregular block discovery into smaller credits. Solo mining pays only when the miner finds a valid block. A small share of network hashrate can therefore produce long gaps between solo rewards.
The economics of solo mining and pool mining explain that variance in more detail. Pool selection also depends on server location, fee, payout threshold, supported scheme, and recent uptime.
Cloud mining replaces hardware ownership with dependence on a contract operator. The operator controls the equipment, accounting, downtime records, and withdrawals. Contract profitability cannot be assessed without the full price, fee formula, term, and payout conditions.
A payout scheme changes when the miner receives credit and who absorbs block-luck variance. It can also change the fee charged by the pool.
| Scheme | How payment works | Short-term variation |
|---|---|---|
| PPS | Credits each valid share without waiting for the pool to find a block | Lower |
| PPLNS | Credits eligible recent shares when the pool finds a block | Higher |
| PPS+ | Adds a transaction-fee component to PPS-style share payments | Lower |
| PROP | Divides a found block according to shares in that round | Depends on round length |
ViaBTC’s documentation states that PPS compensates valid shares whether or not the pool finds a block. Its PPLNS description links rewards to eligible shares in the last N difficulty rounds when a block is found.
The displayed scheme name does not reveal the full cost. Check the fee, minimum payout, transaction charges, and inactive-worker rules for the chosen coin. Pool terms can differ between coins and payout methods.
Payout rules affect cash flow, fees, and the time needed to reach the withdrawal threshold.
Start with revenue after the pool fee:
revenue after fee = daily gross revenue × (1 − pool fee)
Calculate daily electricity cost:
daily electricity cost = wall power in kW × electricity rate per kWh × 24
Then calculate daily net revenue:
daily net revenue = revenue after fee − daily electricity cost
If daily net revenue is positive, estimate break-even:
break-even days = total setup cost ÷ daily net revenue
Total setup cost can include hardware, shipping, electrical work, ventilation, and other required equipment. A result based only on the miner’s purchase price understates the investment.
If daily net revenue is zero or negative, the inputs produce no break-even point. Recalculate after changes in price, difficulty, hashrate, wall power, or pool terms.
A useful downside test lowers expected revenue and raises electricity cost. This does not predict the market. It shows how sensitive the setup is to unfavorable changes.
Spinning fans do not prove that a rig earns coins. Confirm accepted shares in the miner log and activity on the pool dashboard. Then wait for a payout to reach the intended wallet.
The pool’s displayed hashrate may move above or below the local reading. Compare averages over a meaningful period instead of comparing single peaks.
Accepted shares prove that the pool received work. A confirmed wallet transaction proves that the payout path worked from end to end.
Tax and reporting rules depend on the miner’s country and circumstances. Classification can also depend on whether the activity is personal or commercial. Do not infer local obligations from a guide written for another jurisdiction.
A useful record includes payout timestamps, coin amounts, wallet addresses, pool fees, and valuation data. Keep equipment invoices and electricity bills with those records. Preserve the method used to calculate each value.
Before expanding the rig, compare live pool hashrate and fees for the coin you selected.
The lowest entry cost often comes from testing hardware already owned. Match a GPU to a supported GPU algorithm or test a suitable CPU on RandomX. Compare expected revenue with measured wall power before choosing the coin.
Yes. Ravencoin’s KAWPOW and Ethereum Classic’s ETCHash support GPU mining. Profitability still depends on network difficulty, device hashrate, wall power, and electricity cost.
PPS credits valid shares without waiting for the pool to find a block. PPLNS distributes rewards after a found block and counts eligible shares within a defined window. PPLNS payouts therefore vary more with pool luck.
There is no dependable fixed period. Divide the full setup cost by daily net revenue after electricity and pool fees. If daily net revenue is not positive, the current inputs produce no break-even point.