P2Pool: main vs mini vs nano
Enter your hashrate to see how often you would find a share on each P2Pool chain, and which one fits.
Updated
| Chain | Share difficulty | Your time per share | PPLNS window | Your shares per window | Chance of a share in the window | Fit |
|---|---|---|---|---|---|---|
| P2Pool Main | 4,463 M | 5.2 days | 59 min (356 blocks) | 0.01 | 1% | Too big for this hashrate |
| P2Pool Mini | 333 M | 9.2 h | 6.0 h (2,160 blocks) | 0.65 | 48% | Patchy: often no share in the window |
| P2Pool Nano Best fit | 159 M | 4.4 h | 18.0 h (2,160 blocks) | 4.07 | 98% | Steady: several shares in every window |
Time per share = share difficulty ÷ your hashrate. Shares arrive at random, so the chance column shows how likely you are to hold at least one share in a full window. Average earnings are the same on every chain; see the mining calculator for profit and P2Pool blocks for how often each chain finds a block.
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Questions people ask
Which P2Pool chain should I mine on?
The largest chain on which you still find shares regularly. As a rule of thumb, pick the chain where you expect at least one or two shares per PPLNS window. Faster miners use main, typical desktops use mini, and small or old CPUs use nano.
Do I earn more on main than on mini or nano?
No. All three pay the same on average for the same hashrate, with no fee. The chain only changes how steady the payouts are: a chain that is too big for your hashrate means long gaps and more luck.
What is a share and a PPLNS window?
A share is proof of work you submit to the sidechain. When the chain finds a Monero block, the reward is split between the shares in the last N sidechain blocks, the PPLNS window. No share in the window means no payout from that block.
Why do the window lengths differ?
The window is counted in sidechain blocks and adjusts with the chain's hashrate. Main and mini produce a sidechain block every 10 seconds and nano every 30 seconds, so the same number of blocks covers a different amount of time.
How long until a payout can be spent?
P2Pool payouts are mined coins, so they are locked for 60 blocks, about 2 hours. See the when can I spend? estimator.
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