Coins paired to real forex pairs, made to move together.

Everything about Fx, in one place.

Overview

Fx is a launchpad on Solana for coins that follow a real currency pair. Every coin is linked to one forex market: EUR/USD, GBP/USD or AUD/USD, with USD/JPY, USD/CHF and USD/CAD coming soon. Its price moves with both its own trading and that pair's rate.

• Names and tickers can be copied by anyone. Always check a coin's address, not just its ticker.
• Each coin trades on its own curve, not a shared order book.
• Coins can be volatile and thin, and can lose all their value.

How prices work

A coin's price has two parts:

• Curve price. Set by the coin's own buying and selling. Every buy moves the price up the coin's curve, and every sell moves it down.
• Pair factor. How far the coin's forex pair has moved since the coin launched, scaled up so the move is easy to see. Each 1% the pair moves changes the coin's price by about 5%.

You trade at curve price × pair factor, where pair factor = (rate now ÷ rate at launch)^5.

Example. You launch a coin paired with EUR/USD when the rate is 1.1500. A week later the rate is 1.1615, which is 1% higher. The pair factor is about 1.05, so the coin trades about 5% above its curve price, even if nobody traded it that week. If EUR/USD had fallen 1% instead, the coin would trade about 5% below its curve price.

Every pair works the same way, as it's written: when USD/JPY goes up, a USD/JPY coin goes up. How far the pair factor can move is limited by the coin's pair buffer.

Pairs & price feed

Three pairs are live: EUR/USD, GBP/USD and AUD/USD. USD/JPY, USD/CHF and USD/CAD are coming soon. A coin's pair is set at launch and never changes. We don't invent a pair that isn't a real, liquid forex market.

• Where rates come from. Fx reads forex rates from Pyth Network, a price feed that many Solana apps use.
• The latest rate. Every trade uses the latest rate Pyth has published on Solana. Fx doesn't use an average, because an average is predictable: traders could buy before it moves and sell after, and the other holders would pay for it. A trade can never use a rate older than one already used.
• Delay fee. Pyth refreshes its rates on Solana every few minutes. A rate up to a minute old costs nothing extra. After that, trades pay a delay fee of 0.1% for each extra minute, which goes into the coin's pair buffer. A rate older than 10 minutes doesn't count as live.
• Fast-market fee. When forex moves fast, like on big news, the feed's prices get less certain and trades pay a small extra fee that goes into the coin's pair buffer. In calm markets it's under 0.01%. Together with the delay fee, it's capped at 2%.
• When a pair freezes. The pair factor holds at its last good value while the forex market is closed (Friday evening to Sunday evening, New York time), when the latest rate is more than 10 minutes old, or when the feed reports unusually uncertain prices. If the feed goes quiet or gets very uncertain while the market is open, trades pay the full 2% fast-market fee until it's back.
• Trading never stops. While a pair is frozen, its coins keep trading on their curve. Only the pair's effect pauses, and the live rate takes over again as soon as the feed is back.

Pair buffer

Each coin has its own pair buffer: a pool of SOL that pays for the pair's effect on the price. It makes sure a coin can always pay every seller, however its pair moves.

• The buffer fills up from 0.30% of every trade on the coin, plus the fast-market and delay fees.
• When the pair has pushed the price up, the extra paid out to sellers comes from the buffer, and the extra paid in by buyers goes into it. When the pair has pushed the price down, it works the other way around.
• The pair factor can only move as far as the buffer can cover, in either direction. A new coin with a small buffer barely follows its pair. A busy coin with a big buffer follows it fully.
• The buffer belongs to the coin. Nobody can withdraw it, not the creator and not Fx.

Buyback & burn

Every trade rewards the coin's holders. 0.25% of each trade automatically buys the coin back and burns those tokens, in the same transaction.

• Burned tokens are gone forever. Every trade leaves fewer tokens, so each one that's left is worth a little more.
• Every holder benefits in proportion to how much they hold. There's nothing to claim and nothing to sign up for.
• The busier a coin is, the faster its supply shrinks.
• Each coin's page shows how much it has spent on buybacks and how many tokens it has burned.
• The buyback happens inside the trade, so no reward money piles up waiting to be paid out.

How launches work

Deploying a coin sets its name, ticker, description and pair in a single step. There's no separate configuration screen, and after launch nothing about a coin can be changed, not even by its creator.

Bonding

Every coin starts in the New stage, trading on its launch curve. When buyers have put 85 SOL into the curve, the coin bonds and shows a Bonded badge in Explore.

• A one-time 2.5% bonding fee is taken from the curve's SOL.
• The rest of the SOL and the remaining tokens move into the coin's permanent Fx pool, which opens at the coin's last price.
• The coin keeps its pair link, its buffer and its full trade history. Nothing resets.
• The pool's money is locked for good. Nobody can withdraw it.
• Bonding isn't guaranteed. Most coins stay in New for as long as people trade them.

Explore's stage filter lets you browse New and Bonded coins separately, or view all.

Fees

Fx charges three fees: a $0.50 launch fee, a 1.25% trading fee on every buy and sell, and a one-time 2.5% bonding fee. The trading fee is split four ways: 0.40% of each trade goes to the coin's creator, 0.30% into the coin's own pair buffer, 0.25% to buy back and burn the coin, and 0.30% to Fx. When forex moves fast, or the rate is more than a minute old, trades also pay a small fast-market or delay fee that goes into the coin's pair buffer. Half of Fx's income buys back and burns the FX token. The full breakdown is on the Revenue page.

The FX token

FX is Fx's own token. Half of everything Fx earns, from its share of trades, launch fees and bonding fees, buys FX on the open market, and every FX bought is burned for good.

• FX starts with 1 billion tokens. Burns only lower that number, and nobody can create more.
• The Revenue page shows how much has been spent on FX buybacks and how much FX has been burned.
• FX isn't a share in Fx. Holding it doesn't give you ownership, profits or any claim on Fx.

Wallets & safety

Connect wallet asks your Phantom or Solflare wallet for your public address and nothing else. Your wallet shows an approval popup first, and you can disconnect at any time.

• Every trade opens a wallet popup. Before it does, Fx shows what the trade will do: the SOL you pay or receive, the tokens you get or sell, and the fee. Only approve if the popup matches.
• Fx will never ask for your private key or seed phrase. Any site that does is a scam, even if it looks exactly like this one.
• Fx will never message you first to offer help or a deal.
• Check the address bar before you connect, and bookmark the real Fx site.
• Keep your savings in a separate wallet that never connects to any site, and trade from a wallet that only holds what you plan to trade.

Security

• Supply can only go down. Every coin starts with exactly 1 billion tokens, and burns only lower that number. After launch, nobody can create more tokens or freeze anyone's tokens, not the creator and not Fx.
• Locked money. A coin's SOL and its pair buffer stay inside the Fx program. Nobody funds a coin's opening liquidity and nobody can withdraw it, so a creator can't pull the money out.
• Audit. An independent security firm audits the Fx program before it handles any real money, and the full report is made public.
• Open, verified code. The program's code is public, and the program running on Solana is verified to match it.
• Program changes. A multi-signature wallet controls upgrades, so no single person can change the program. Every change is announced 48 hours before it takes effect, so anyone who disagrees can sell first.
• Settings with hard limits. The team can change only three settings: the team wallet, the launch fee and the FX buyback share. The program itself caps the launch fee at $5 and always keeps at least half of Fx's income for the FX buyback. No setting can touch a coin's money. Changes go through the same multi-signature wallet, with the same 48-hour notice.
• The website. The site only runs its own code, blocks scripts from other sites, and can't be loaded inside another site.

Numbers at a glance

These are the launch settings. Any change to them is announced 48 hours ahead.

Public API

Fx has a read-only public API. No key is required, responses are JSON, and cross-origin calls are allowed. Everything it returns is also public on the Solana blockchain.

The coin list. Supports search, pair, stage, sort (newest, oldest, market_cap), and limit.

One coin's market cap, reference pair, bonding stage, and description.

Every forex pair a coin can reference, with how many coins are paired to each.

Risks

• You can lose everything you put into a coin. Only trade what you can afford to lose.
• The pair effect is scaled up: a small move in a forex pair makes a much bigger move in its coins, in either direction.
• Price feeds can be wrong, late or frozen. Fx's safety rules limit the damage, but they can't remove it.
• Young coins have small buffers, so they may barely follow their pair.
• Audited code can still have bugs.
• Trading can be thin, so a single trade can move the price a lot.
• Forex trading hours and weekend gaps carry through to every coin that follows a pair.
• FX's price can fall, even with buybacks.
• Nothing on Fx is financial advice.

Terms of service

• Fx is software for creating and trading coins on Solana. Fx never holds your funds: your coins stay in your own wallet. Fx doesn't control markets or guarantee any outcome.
• Users create coins, not Fx. Fx doesn't review, endorse or guarantee any coin.
• A coin isn't a forex contract. Holding one doesn't give you any currency, or any claim on Fx or anyone else.
• Holding FX or any coin doesn't make you an owner of Fx or give you a right to its income.
• You're responsible for following the laws where you live. Don't use Fx where coins like these aren't allowed.
• Fx can update these terms. Changes are posted on this page.

Privacy notice

• There's no sign-up, and Fx doesn't ask for your name or email. The site uses no cookies or trackers.
• Trades happen on the Solana blockchain, which is public. Anyone can see a wallet's address and its trades.
• If you connect a wallet, Fx only sees your public address.
• The site may save small things in your browser's storage. They stay on your device.
• The site is hosted on Cloudflare, which handles basic connection data, like IP addresses, to deliver and protect the site.