Crypto Mining Pools Explained
A mining pool combines the hashrate of thousands of individual mine…rs into one submission, splits every reward proportionally, and turns mining from a rare, all-or-nothing lottery into steady, predictable payouts. This guide covers how pools actually work under the hood, the payout schemes you will be asked to choose between, what to check before joining one, and when solo mining genuinely makes more sense instead.
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A mining pool combines the hashrate of thousands of individual miners into one submission, splits every reward proportionally, and turns mining from a rare, all-or-nothing lottery into steady, predictable payouts. This guide covers how pools actually work under the hood…, the payout schemes you will be asked to choose between, what to check before joining one, and when solo mining genuinely makes more sense instead.
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How Mining Pools Work
Your hardware never mines alone — it mines as one contributor to a much larger, shared attempt.
If you have already read our mining guide, you know that finding a block on your own is a race with astronomically long odds on any coin with serious network hashrate. A pool changes the shape of that race entirely: instead of one machine hunting for one full block reward alone, thousands of machines hunt together, and the pool operator distributes both the workload and the eventual reward.
You connect to a pool server
Your miner is configured with the pool's stratum server address, a worker name, and your payout wallet. From that point, the pool — not your own node — hands your machine what to work on.
The pool assembles block templates
The pool builds candidate blocks from its own mempool and sends each connected miner a slightly different piece of the search space, so nobody wastes effort duplicating another miner's work.
You submit shares, not just blocks
A "share" is a hash that meets an easier, pool-set difficulty — far more common than an actual block. Submitting shares proves you are genuinely contributing hashrate, long before anyone finds a real block.
Someone in the pool finds a block
Statistically, it will not be your exact machine most of the time — it will be whichever participant's hash happened to also satisfy the full network difficulty. The pool broadcasts it exactly like a solo miner would.
The reward is split by contribution
The pool credits every participant based on the shares they submitted over the relevant window, using whichever payout scheme the pool runs — see the next section for the differences that actually matter.
Payouts land in your wallet
Once your accumulated balance clears the pool's minimum payout threshold, it is sent to the wallet address you configured — automatically, on the schedule the pool publishes.
Payout Types, Compared
The payout scheme decides who carries the variance: you or the pool.
PPS
Pay Per ShareYou are paid a fixed amount for every share submitted, regardless of whether the pool actually finds a block. Smooth, predictable income — the pool absorbs all the luck-based variance, usually in exchange for a slightly higher fee.
PPLNS
Pay Per Last N SharesRewards are split among the last N shares submitted around when a block is actually found. Income more closely tracks the pool's real luck — worse during dry spells, better right after a lucky streak — usually for a lower fee than PPS.
FPPS
Full Pay Per ShareWorks like PPS but also folds in an estimated share of transaction fees from found blocks, not just the fixed block subsidy. Common on Bitcoin pools, where fees can be a meaningful part of total reward.
PPS+
Pay Per Share PlusA variant of FPPS that distributes actual collected transaction fees rather than an estimate, so payouts reflect exactly what the pool earned in fees rather than a modeled average.
PROP
ProportionalAn older scheme that splits each found block's reward among the shares submitted since that specific block started — simple, but vulnerable to pool-hopping strategies that PPLNS was designed to fix.
Solo (via pool)
Pool-hosted solo miningSome pools also offer a solo mode: you use their infrastructure, but only get paid if your own hashrate finds the block, keeping the full reward minus a smaller fee. High variance, same lottery odds as true solo mining.
What To Look Out For When Choosing a Pool
The lowest fee on the page is not the same thing as the best pool.
Fee structure
Fees usually sit between 0% and 3%. A 0% pool paired with a payout scheme that dumps all the variance on you can cost more in practice than a 2% pool with smooth PPS payouts — compare the whole package, not one number.
Minimum payout threshold
A low threshold gets coins into your wallet faster; a high one can leave a meaningful balance stuck on the pool if you ever stop mining. Check this before committing serious hashrate.
Server location and latency
Connecting to a server on the wrong continent adds delay that shows up as slightly more rejected or stale shares. Most established pools run multiple regional servers specifically to avoid this.
Pool hashrate share
A pool controlling too large a percentage of a coin's total network hashrate is a centralisation risk for that entire network, not just a personal preference — many miners deliberately avoid the single largest pool for this reason.
Track record and payout reliability
Look for a pool that has been operating and paying out for years, with transparent, publicly viewable statistics for blocks found and payouts sent, rather than one with an anonymous team and unverifiable numbers.
Supported hardware and coins
Confirm the pool actually supports the specific algorithm your hardware mines — check the ASIC or GPU listing you are working from — and that it lists the coin you intend to mine before you configure anything.
Solo Mining: The Alternative to a Pool
Solo mining means pointing your hardware at the network — through your own full node or a public solo endpoint — on your own account instead of through a pool. Win, and you keep the entire block reward with no fee taken and no split among other participants. The catch is variance: without a pool smoothing things out, your realistic time between payouts can stretch from days to years, depending entirely on how much hashrate you are running relative to the whole network.
For most people running production ASIC or GPU hardware, that math simply does not favour solo mining — a pool is the rational choice. Where solo mining does make sense is a completely different category: small, low-power, open-source hardware bought specifically as a lottery ticket rather than as an income source. We cover that scenario, and the real odds involved, in our dedicated solo mining and Bitcoin lottery mining guide.
Important distinction: that lottery mining guide is built around small-hashrate, "ticket-buying" style solo mining — devices like a Bitaxe or NerdMiner run for the odds, not the yield. It is not a guide to running a full-scale, high-hashrate solo mining operation on production ASIC hardware, which is a much rarer and more capital-intensive undertaking that most large operators still choose to run through a pool anyway, for the same variance reasons covered above.
Mining Pools FAQ
Quick answers to the questions we get asked most.
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