Internet Money
Testnet running Ticker IMN Spend it · Save it · Build on it No premine No developer fee

Money you can spend, save and build on.

Pay and get paid in seconds, for less than a cent. Keep savings a thief can't empty. Make your own token and trade it with anyone. All of it is built into the coin itself, with no bank, app or company in the middle.

Illustration of the invoice flow. Timings shown are typical on the test network, not guarantees.

§1At a glance
A payment arrives in
~5seconds
Network fee
<1¢per payment
Middlemen
0no bank, no processor
Coins made in advance
0every coin is mined
Chargebacks
0refunds are your choice
Code
100%open source
§2Three jobs

One coin, three jobs. Nothing bolted on.

Spend it

Paid in seconds

Under a cent a payment. Order numbers, refunds and escrow built in.

Save it

Safe from thieves

Vault withdrawals wait, and your backup key can stop them.

Build on it

Your own token

Make one in a minute and trade it with anyone. No exchange.

Every feature, and how we compare

How it works, for the technically curious
  • A block every five seconds. When two miners find one at the same moment, both are kept and put in order (GHOSTDAG), so a short block time wastes no work.
  • A full node is small enough for a shop to run on a cheap server and check its own payments, instead of trusting someone else's.
  • Mining uses graphics cards. The algorithm, Hallmark, is FishHash with our own seed: each hash reads randomly across gigabytes of memory.
  • Escrow, trading and tokens are fixed rules every node checks, not contracts anyone can deploy, which keeps them small enough to review.
  • Trades with other chains use hash locks with SHA-256, which Ethereum-style chains can check too.

The details are in the specification and the developer cookbook.

This is a test network, and test coins have no value. Some features reach it with its next update.

§3For shops

Add it to your shop in minutes.

On WordPress, install the WooCommerce plugin and enter your address. Customers scan a code to pay, and the order is marked paid by itself.

  • No sign-up and no account with anyone
  • The money goes straight to your address
  • The Refund button works as you'd expect
  • For other sites, a few lines of JavaScript

Test network only for now. Don't use it for real orders yet.

checkout.js@imoney/sdk
// Show a checkout for one order
client.openCheckoutModal({
  merchantAddress: 'imntest:q...',
  amountImn: '12.5',
  invoiceId: 'INV-1042',
  onSuccess: (payment) => {
    markOrderPaid(payment.invoiceId);
  }
});
§4Supply

Every coin is mined, on a schedule nobody can change.

The reward halves every four years, four times, and then stays at 0.3125 IMN per block for good, so miners are always paid to secure the network. There is no premine and no share for the developers.

5 2.5 0 0 4 8 12 16 year 20 IMN per block 0.3125 floor
YearsReward / blockMined in periodSupply at endInflation at start
0 – 45.0000126,144,000126,144,000—
4 – 82.500063,072,000189,216,00012.5%
8 – 121.250031,536,000220,752,0004.2%
12 – 160.625015,768,000236,520,0001.8%
16 onward0.31251,971,000 / yrno cap0.83%, falling
§5Where it stands

A test network is running. Here's how far along it is.

Test coins have no value. There is no coin to buy yet, so anyone selling IMN today is not us.

Works today

  • Nodes on three continents
  • Wallet and explorer on this site
  • Mining with graphics cards, and a mining pool
  • Order numbers, so a shop sees which order was paid
  • Refunds linked to the order
  • Shared wallets that need two people to approve
  • Payments older than 12 hours can never be undone
  • A node small enough for a shop to run
  • Downloads for Windows, Linux and macOS

Being built

  • Ready for the next test network: trading, tokens and escrow
  • Subscriptions and savings vaults
  • Swaps with Ethereum, in the wallet
  • A desktop app

Not started

  • Independent security review
  • Swaps with Bitcoin
  • Hardware wallets
  • Main network