Solo Mining vs Pool Mining — Which Is More Profitable?

Two miners walk into a Bitcoin Cash network with identical Antminer S21+ rigs and identical electricity rates. Miner A joins a large pool and receives small daily payouts proportional to their share contribution. Miner B mines solo and waits — sometimes weeks, sometimes months — for an entire block reward to land in one shot. After 12 months, who has more BCH?

The honest answer: statistically, almost the same amount. The expected value of solo mining and pool mining is mathematically identical, minus the difference in fees. The hashes don’t care which strategy you picked. The network doesn’t either.

But the experience of those two miners over those 12 months is so different that they’re effectively playing different games. One had a steady, boring trickle. The other had stretches of nothing followed by a single jackpot moment. The math is the same. The psychology, the cash flow, the tax filing, and the failure modes are not.

This is the gufo’s complete comparison. We’ll cover the math, the fees, the hidden costs, the variance, and finish with a clear recommendation for every kind of miner.

The math: same expected value, opposite distribution

Both solo and pool mining follow the same fundamental formula:

Expected revenue per day ≈ (your_hashrate ÷ network_hashrate) × blocks_per_day × block_reward

For an Antminer S21+ on BCH:

• Hashrate: 235 TH/s
• Network: ~4.5 EH/s = 4,500,000 TH/s
• Share of network: 0.00522%
• Daily expected blocks: 0.00522% × 144 = 0.752% per day
• Daily expected revenue: 0.752% × 3.125 BCH = 0.0235 BCH/day ≈ $10.50/day

That number is identical whether you’re solo mining or pool mining. The hashrate produces the same hashes, the network treats them identically, and the long-term expected payout converges to the same value. The only difference is how the payout is distributed across time.

Pool mining: smooth, predictable, slightly haircut

In a pool, your share contribution is rewarded daily (or every block, depending on payout scheme). With 0.00522% of network hashrate, you’d receive 0.00522% of every block the pool finds — which, for a large pool, is essentially every day. So you accumulate ~0.0235 BCH per day, smoothly, with low variance.

Minus pool fees. Most BCH pools charge 1-3%. Some charge “0% fee” but make it back via FPPS+ adjustments or other tricks. We’ll get to fee structures shortly.

Solo mining: lumpy, dramatic, identical-in-aggregate

In solo mining, you get nothing for ~133 days on average, then 3.125 BCH lands in your wallet at once. Annualized: same ~0.0235 BCH/day expected value. But concentrated into ~3-4 events per year with deep variance between them.

Minus pool fees (yes, even solo pools charge — typically 1%, like SoloFury’s). The 1% comes out of the coinbase output [1] when a block is found.

The math fingerprint

Same mean. Wildly different distribution. Solo mining can be both better and worse than pool mining in any given year — that’s variance. Run the simulation 1,000 times and the averages converge. Run it once and you might get any point along the distribution.

Which sport you prefer depends on what you can emotionally and financially tolerate.

Pool fee structures — the actually-not-1% reality

Pool mining has a fee structure landscape that is genuinely confusing. Let’s clarify the major models:

PPS (Pay Per Share)

Pool pays you a fixed amount per share submitted, regardless of whether the pool actually finds a block. Pool absorbs all variance. Typical fee: 4-5%. Used by most large industrial farms with predictable cashflow needs.

FPPS / FPPS+ (Full Pay Per Share / Plus)

Same as PPS but includes the average transaction fees in the payout. Typical fee: 1.5-3%. The ”+” means slight enhancements like AsicBoost bonuses passed through.

PPLNS (Pay Per Last N Shares)

You’re paid based on shares submitted in the last N “shifts” before a block was found. Variance shifts to the miner. Typical fee: 0-2%. Better for miners who plan to stay long-term; punishes pool-hoppers.

PPS+ / SOLO / Hybrid

Some pools offer “solo mode” within their infrastructure, where finding a block gives you the full reward minus a fee. This is what SoloFury does. Fee: 1%. The math becomes identical to solo mining but with operational benefits (managed stratum, multi-region failover, telemetry).

Plus there’s a hidden cost almost no one talks about:

Custody risk

In most pools (PPS, FPPS, PPLNS), the pool holds your accumulated balance until it reaches a payout threshold. Typical threshold: 0.001-0.01 BTC, or daily auto-payout for higher balances. Until that threshold is hit, the pool has custody of your funds. If the pool gets hacked, exit-scams, or freezes during a regulatory event — your accumulated rewards are at risk.

Real examples from mining history: Eligius (closed in 2017, some miners lost balance). Slush’s predecessor with operational issues. Multiple smaller pool failures during 2020-2022 bear markets. Even reputable pools occasionally have multi-day “scheduled maintenance” periods that effectively freeze withdrawals.

Solo mining has no custody risk by design. The block reward goes directly from the network’s coinbase transaction to your wallet. The pool never holds it. This is the single most underrated benefit of solo mining, and it costs you nothing in expected value.

Effective fee comparison

Once you account for the hidden costs, here’s what miners actually pay:

Solo mining has the simplest fee structure in the entire mining industry: 1%, deducted on-chain via the coinbase, fully verifiable, no surprises. Pool mining usually looks cheaper on paper and is often comparable or more expensive after hidden costs.

Tax implications (yes, this matters)

This isn’t tax advice — talk to your accountant — but the tax treatment of solo vs pool mining differs in ways that affect after-tax returns:

Pool mining

• Income recognized at each payout at fair market value when received
• Many small taxable events to track and report
• If pool freezes/fails, you may have already paid tax on income you never received

Solo mining

• Income recognized at block-found event — one taxable event per block
• Fewer reporting events, potentially simpler accounting
• Block found on Dec 31 vs Jan 2 = different tax year. Variance can shift tax timing in your favor.
• Coinbase transaction is on-chain and timestamped — easier to document for audits

For miners in jurisdictions with progressive income tax, solo mining’s lumpy income can be a tax planning tool: you can time your selling, hold through dips, and concentrate income into specific tax years. Pool mining’s smooth income gives you less flexibility.

For miners in tax-efficient jurisdictions (or running through corporate structures), the difference is smaller but still real.

Variance — the real difference, emotionally

Mathematically, variance averages out over time. Emotionally, variance is the only thing that matters during the time you’re experiencing it.

Pool mining variance

Daily payout is essentially deterministic. With 1,000+ miners in a large pool, you’re paid your share every day, ±5% noise. The dashboard shows steady accumulation. You can budget against expected income. You can sleep.

Solo mining variance

Distribution is exponential. For a single S21+ on BCH (mean: 133 days/block):

• ~63% chance of finding within one mean (133 days)
• ~14% chance of waiting between 1× and 2× mean (133-266 days)
• ~5% chance of waiting between 2× and 3× mean (266-400 days)
• ~5% chance of waiting more than 3× mean (>400 days)

Read that again: 1 in 20 single-rig solo miners on BCH will go more than 13 months without finding a block. That’s not pool failure or hardware failure. That’s just where the dice landed. The math says they’re due for a block — but “due” doesn’t mean “soon.” The dice have no memory.

The miners who can’t tolerate this stop solo mining within the first dry stretch. They switch to a pool, accept the small daily payouts, and sleep better. That’s a perfectly rational choice. Variance tolerance is a real thing, and it has real value.

The miners who can tolerate it accept the swings, run the math, and wait. Some of them experience the opposite extreme — three blocks in 19 days (we know because we watched SoloFury’s fleet do exactly that in late April 2026). That’s also normal variance.

Operational comparison

The “0% fee solo pool” myth

You’ll see some solo mining pools advertise “0% fee, find a block keep 100%”. This is mathematically impossible long-term. The pool has to pay for: stratum servers, full nodes, monitoring, bandwidth, developer time, security audits, regional infrastructure. That money comes from somewhere.

Common ways “0% fee” pools recoup costs:

• Operator donations / volunteer goodwill (sustainable until the operator gets bored or busy)
• Hidden coinbase outputs (small amounts redirected to operator addresses)
• Ads on the website (significant for high-traffic pools)
• Data sale to analytics firms (your worker patterns are monetizable)
• Front-running tx fees (taking the highest-fee transactions for the operator’s address)
• Eventually shutting down without notice

SoloFury’s stance: 1% on coinbase, fully transparent, on-chain verifiable, no other revenue extraction. If a 0% pool is genuinely volunteer-run and you trust the operator, that’s your call — but the long-term math suggests sustainability comes from honest fees, not hidden ones.

Who should solo mine?

You should solo mine if:

• You have ≥1 modern ASIC (S21+, S21 XP, S23, M66S+, or equivalent) on a chain matched to your hashrate (BCH for industrial, BC2/BCH2 for Bitaxe-class)
• You can tolerate variance — long stretches without payout don’t bother you
• You value non-custodial design — you don’t want any third party holding your earned BCH/BTC/etc.
• You prefer fewer, larger taxable events over many small ones
• You enjoy the jackpot psychology — the “any block could be the block” dopamine is appealing
• You have diversified income — solo mining isn’t your sole financial cashflow

You should pool mine if:

• Your hashrate is too small for solo on any chain (e.g., a single Bitaxe targeting BTC for the lottery is fine; targeting BTC as primary income source is not)
• You need steady cashflow — mining is your full-time business and you have rent/payroll obligations
• You can’t tolerate multi-month dry stretches emotionally
• You’re fine with custody risk in exchange for daily payouts
• You don’t mind high frequency tax events

Hybrid: split your hashrate

Many serious miners run hybrid setups: most rigs in a pool for steady income, one or two pointed at solo for the lottery upside. This gives you cashflow stability without forfeiting the chance at a clean block reward.

Example: 8 rigs in a pool earning ~0.18 BCH/day steady, plus 2 rigs solo on SoloFury earning a 3.0938 BCH block every ~2-3 months on average. The pool covers operating costs; the solo rigs are the “alpha” portion.

The honest answer to “which is more profitable?”

Long-term, they’re the same expected value — minus the difference in effective fees. Once you account for custody risk, hidden costs, and pool reliability, solo mining at 1% (SoloFury) is competitive with or better than pool mining at “1.5-3%” effective.

Short-term, solo mining is more volatile — both upside and downside. You might earn 50% more or 50% less than the pool counterfactual in any given year. The math demands ~3 years of data to converge to mean. Plan accordingly.

Custody risk favors solo by a wide margin. Pool failures are rare but real and uninsured. Solo mining structurally cannot have custody loss. This alone is worth ~0.5-1% of effective fee for most miners.

Tax efficiency slightly favors solo for individuals in progressive tax jurisdictions, neutral for corporations and tax-efficient setups.

The gufo’s parting take: if you have the hashrate and the mentality for solo, do solo. The math doesn’t lie, the custody is yours, the tax is cleaner, and the dopamine when you finally find a block is unmatched in legal entertainment.

If you don’t have the mentality, run pool. There’s no shame in steady income. The miners who insist on solo mining when they can’t psychologically tolerate it tend to switch strategies during the worst possible time (mid-dry-stretch), lock in their bad luck, and leave money on the table. Know yourself.

Two owls hunt the same field. One spreads its hashes across many small mice; eats every night, never feasts. The other waits for a single fat hare; goes hungry for weeks, then eats for a fortnight. Same forest. Same calories. Different sleep schedule. Pick the schedule that lets you keep hunting.