FixedFloat is an instant cryptocurrency exchange at ff.io that swaps one coin for another without requiring an account. You create an order, send coins to a one-time deposit address and receive the other asset at an address you choose 12. It is operated by FFGX Group LLC, a company registered in Kutaisi, Georgia 1, and launched in 2018 2. Its name comes from its two pricing modes: a fixed rate locked when you create the order, or a float rate set after your deposit confirms. Its terms bar US citizens and residents from using the service 1.
Each swap is an order. You pick the pair (for example BTC to XMR), the amount, the rate type and your receiving address. FixedFloat generates a deposit address, sometimes with a memo or destination tag, for that order only 1. After your deposit gets enough network confirmations, the service sends the output coin to your address automatically.
The rules in the Terms matter because orders are processed by software, and mistakes fall outside automatic processing 1:
The supported list covers Bitcoin (including Lightning), Ethereum and several Ethereum layer 2 networks, Monero, Solana, Tron, TON, XRP, Litecoin and stablecoins on multiple chains 3.
FixedFloat charges a service fee that is built into the displayed exchange rate, along with the network costs of consolidating and sending your coins 1:
| Rate type | Service fee | What you get |
|---|---|---|
| Fixed | 1% + network fee 2 | The exact amount shown at order creation, if you pay the exact amount within 10 minutes and the market moves less than 1.2% before your transaction appears 1 |
| Float | 0.5% + network fee 2 | An approximate amount; the final rate is set within 10 minutes after confirmations, so you can receive more or less 1 |
The fixed rate costs more because FixedFloat carries the price risk. If a fixed order misses its conditions, you choose between continuing at the new market rate or taking a refund minus the network fee 1. You also pay your own wallet's network fee to send the deposit. Prices can change without notice 1, so compare the final "you receive" amount rather than the headline percentage.
No registration or personal data is needed for an ordinary swap 2. That is not a guarantee of no checks. Under the Terms' AML procedure, FixedFloat screens incoming transactions and may suspend an order if the funds appear linked to crime, sanctioned addresses or services that openly ignore AML rules 1. You then have to explain the origin of the funds by email to [email protected] from the address on the order. If you refuse, or the information ties the funds to crime, FixedFloat says it may freeze them for return to victims with law-enforcement help 1. It may also run KYC and source-of-funds checks on users who abuse refunds 1.
Who cannot use it: the Terms prohibit use by US citizens and residents, by anyone located in Georgia or India, and by people in countries on UN sanctions lists 1. FixedFloat says it follows UN, EU and US sanctions regimes.
FixedFloat calls itself non-custodial because it keeps no deposit accounts or balances 1. During a swap, however, your coins sit in addresses FixedFloat controls until it sends the output. You depend on the service to complete the order, and that exposure lasts minutes in normal conditions and longer if an order is suspended or breaks the rules.
The service had two hot-wallet thefts in 2024. In February about 409 BTC and 1,728 ETH, roughly $26.1 million, left its wallets; FixedFloat put the site into maintenance and first described "minor technical problems" 4. Analysts at Halborn judged it most likely a private-key compromise, not a smart-contract bug, and noted the company did not publish a detailed account 5. On April 1 a second attack took at least $2.8 million from an Ethereum hot wallet; FixedFloat blamed a third-party provider and said user funds were not affected 6.
Support is available through 24/7 live chat on the site, the Telegram bot @FixedFloatBot and [email protected] 12. Keep the order link or ID: if you lose it, support needs the pair, your deposit transaction and your receiving address to find the order 1. Expired orders can be refunded minus the network fee once you give a return address 2. Use only these official channels; anyone asking for your seed phrase or a "verification payment" is not FixedFloat support.
Hacks in DefiLlama’s public database are also scored as the security record on the FixedFloat rating page.
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