PCoin Official
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PCoin (PCN) — an independent RandomX layer-1 you can mine on a CPU. 21M cap, no premine, no ICO.

Chat: t.me/PCoinPCNChat
Discord: discord.gg/dGmdwJkb9f
FAQ: pc.am/faq
Site: pc.am
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⚠️ Upgrade before block 2800

PCoin switches to per-block LWMA difficulty at height 2800. Right now the chain is at 2585 — about 215 blocks, roughly 26 hours away.

What happens if you don't upgrade
A node older than v1.2.0 will reject the new blocks and quietly carry on mining a branch of its own. It will look completely healthy: hashrate normal, block count rising, balance growing. But nobody else is on that branch, and when you eventually upgrade, everything mined after 2800 disappears.

Coins you have already mined are safe either way.

Check your version — properly
Do not trust the version the node reports. Every build prints the same string, so it will look fine whether you are up to date or not. Hash the binary instead:

Linux
sha256sum /opt/pcoin/bin/bitcoind
5114db61a99deb7fb5c0c1cc365e09188924eed89eb2486555f6f90fe3bff9c3

Windows (PowerShell)
(Get-FileHash 'C:\PCoin itcoind.exe' -Algorithm SHA256).Hash
D73E1F6F12771A4D6DC7CA65CE4FC8B6F94A615C3F6ABC841C7D3A7C1C8E211E

If it does not match
Update from https://pc.am — it takes about a minute and needs no resync.

Linux, one command:
curl -fsSL https://pc.am/dl/install.sh | sudo sh

Questions welcome here.
PCN is now accepted by four live services

You can spend mined PCN today, not eventually:

• AI Control — an agent that operates your Windows PCs and Android phones
3dmodels.pc.am — ready-to-use 3D models
checker.pc.am — gift-card balance checking
@MyWebsiteBuilderBot — describe a site and it builds and hosts it

Each one issues you an address that only your account is credited for. Deposits credit automatically after 6 confirmations, at the rate published on price.pc.am — and every deposit is verified against two independent block explorers before any balance moves. If they disagree, it is held rather than credited.

Details: https://pc.am/#spend
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AI Control — where to find it

The first of the four services in the previous post is at https://aicontrol.pc.am

It runs Claude-powered agents on your Windows PCs and Android phones, and accepts PCN for balance top-ups — so the same phone that mines can pay for what it uses.

All four services, with links: https://pc.am/#spend
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PCoin v1.2.6 released

v1.2.6

Download and checksums: https://pc.am/#download
Release notes: https://github.com/pars5555/pcoin/releases/tag/v1.2.6

Upgrading takes a minute and needs no resync. If you run a node or a miner, please update — an old node can end up following a chain nobody else accepts.
PCoin v1.2.7 released

v1.2.7 — Android wallet

Download and checksums: https://pc.am/#download
Release notes: https://github.com/pars5555/pcoin/releases/tag/v1.2.7

Upgrading takes a minute and needs no resync. If you run a node or a miner, please update — an old node can end up following a chain nobody else accepts.
PCoin v1.2.8 released

v1.2.8 — Android wallet

Download and checksums: https://pc.am/#download
Release notes: https://github.com/pars5555/pcoin/releases/tag/v1.2.8

Upgrading takes a minute and needs no resync. If you run a node or a miner, please update — an old node can end up following a chain nobody else accepts.
PCoin v1.3.0 released

PCoin v1.3.0 — pool mining

Download and checksums: https://pc.am/#download
Release notes: https://github.com/pars5555/pcoin/releases/tag/v1.3.0

Upgrading takes a minute and needs no resync. If you run a node or a miner, please update — an old node can end up following a chain nobody else accepts.
PCoin (PCN) — CoinMarketCap listing request

We have submitted PCoin to CoinMarketCap. The ticket number is 1446171, filed from pcoin@pc.am.

This post exists so that CoinMarketCap can verify the request genuinely comes from the project rather than from someone impersonating it. That check is why they ask for a public post from an account linked on the project's own website.

Verify us independently:
• Website — https://pc.am
• Block explorer — https://explorer.pc.am
• Source code — https://github.com/pars5555/pcoin
• News & releases — https://pc.am/news/

For clarity: PCN is not traded on any exchange, so there is no price or volume. The request is for a Preview / Untracked listing only.
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The PCoin mining pool is open.

Until now mining PCN meant solo: you find a whole 50 PCN block, or you find nothing, and a small CPU can wait days between wins. The pool pays you for the work you actually did.

Connect:
pool.pc.am:3333

The part worth understanding: you are paid directly out of the coinbase of every block the pool finds. There is no pool wallet, no private key on the server, no withdrawal to request and no balance an operator could disappear with. The chain pays you, not us.

• PPLNS, 2% fee taken off the block reward
• Minimum payout 0.00000294 PCN — the network dust limit, not a threshold we invented
• Your login is your payout address. No registration, no account
• Needs v1.3.0 or newer — both the node and bitcoin-cli

Live stats and the exact command for your OS: https://pool.pc.am

Two honest notes. A pool does not increase your earnings — it reduces variance, and after the fee you earn slightly less on average than solo. And PCN is still not traded on any exchange, so there is no price; treat it as worth nothing until a real market exists. Solo mining keeps working exactly as before if you prefer it.

Details: https://bitcointalk.org/index.php?topic=5591113.0
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The PCoin mining pool is open

Mining alone is a lottery. Your computer either finds a whole block and earns the full 50 PCN, or it finds nothing — there is no partial credit, and a typical PC can wait days between wins. Most people install a miner, see zero for a week, and conclude it is broken.

The pool fixes that. You are paid for the work you did, whether or not you were the lucky one.

HOW TO JOIN — no new software

Pool mining is built into the PCoin node itself, from v1.3.0. One line:

pcoin-cli startpoolmining "pool.pc.am:3333" "<your pc1q… address>" 0

0 means every core. On Windows use bitcoin-cli.exe the same way.

One thing to get right: that command does not survive a restart on its own. Both the Windows tray and the Linux service re-issue SOLO mining when they start, so unless you also add the pool to your miner config, your machine quietly goes back to paying its own address after the next reboot. The one line to add is on the website.

Full instructions: https://pc.am/#pool

HOW IT PAYS

You are paid as an output of the block you helped find. The pool never holds your coins — there is no wallet on the pool, no withdrawal to request, and no balance an operator could walk away with. The chain pays you directly, every block, automatically.

• PPLNS, weighted by how hard each share was, so timing your arrival gains nothing
• 2% fee, taken off the block reward, never off coins already paid to you
• no minimum payout beyond the network dust limit

A freshly mined reward cannot be spent by anyone — pool or solo — until it is 100 blocks deep, roughly 17 hours. That is a rule of the chain, not a delay the pool invents.

BEING HONEST ABOUT IT

A pool does not increase your earnings. It reduces variance, and after the fee you earn slightly less on average than mining alone. What you are buying is predictability.

It also concentrates hashrate, which on a network this small is a real risk rather than a theoretical one. We publish the pool hashrate and the network hashrate at https://pool.pc.am/api/pools so its share is checkable rather than claimed — and we would rather see a second pool run by somebody else than grow this one.

Solo mining is unchanged and still fully supported. If you are large enough to find blocks regularly, it is the better choice — and it is what keeps deciding which transactions go into blocks spread across many hands.
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PCoin v1.3.1 released

v1.3.1 — Android: refuse to mine with no peers

Download and checksums: https://pc.am/#download
Release notes: https://github.com/pars5555/pcoin/releases/tag/v1.3.1

Upgrading takes a minute and needs no resync. If you run a node or a miner, please update — an old node can end up following a chain nobody else accepts.
PCoin v1.3.2 released

v1.3.2 - Linux packaging: declare the libraries we actually link

Download and checksums: https://pc.am/#download
Release notes: https://github.com/pars5555/pcoin/releases/tag/v1.3.2

Upgrading takes a minute and needs no resync. If you run a node or a miner, please update — an old node can end up following a chain nobody else accepts.
PCoin v1.3.3 released

v1.3.3 - Windows: app icon, and one obvious exe to run

Download and checksums: https://pc.am/#download
Release notes: https://github.com/pars5555/pcoin/releases/tag/v1.3.3

Upgrading takes a minute and needs no resync. If you run a node or a miner, please update — an old node can end up following a chain nobody else accepts.
PCoin v1.3.5 released

v1.3.5 - Windows: the button fix that actually applies

Download and checksums: https://pc.am/#download
Release notes: https://github.com/pars5555/pcoin/releases/tag/v1.3.5

Upgrading takes a minute and needs no resync. If you run a node or a miner, please update — an old node can end up following a chain nobody else accepts.
PCoin v1.3.6 - Windows fast mode fix

If you turned on fast mode in the Windows miner, your PC has almost certainly not been mining.

Turning fast mode on stopped the miner app being able to talk to its own node. The node itself kept running perfectly - but nothing was mined, and the Start and Stop buttons stopped working too, so a machine that was already mining could not be switched off either.

You are affected if the app says the node is not answering, or if the mining buttons do nothing at all.

Update to v1.3.6. Your wallet, payout address and settings are kept:

& (scriptblock::Create((irm https://pc.am/dl/install.ps1)))

Fast mode is safe to leave on now, and it is several times faster. It needs about 2 GB of free memory, and the first time you switch it on it spends a few minutes preparing - the miner looks idle during that, which is normal.

Downloads and checksums: https://pc.am/download/
PCoin v1.3.6 released

v1.3.6 - Windows: fast mode no longer stops the miner

Download and checksums: https://pc.am/#download
Release notes: https://github.com/pars5555/pcoin/releases/tag/v1.3.6

Upgrading takes a minute and needs no resync. If you run a node or a miner, please update — an old node can end up following a chain nobody else accepts.
PCoin v1.3.7 released

PCoin v1.3.7

Download and checksums: https://pc.am/#download
Release notes: https://github.com/pars5555/pcoin/releases/tag/v1.3.7

Upgrading takes a minute and needs no resync. If you run a node or a miner, please update — an old node can end up following a chain nobody else accepts.