The cheapest Thorchain interface is LeoDex with 0 fees! Tutorial on how to swap Rune for BTC and BTC for Rune without any fees!

@solymi · 2025-07-31 07:42 · LeoFinance

Swapping your Bitcoin to ETH or your Rune to Bitcoin or the other way around just got cheaper! LeoDex is providing a Zero Fee, No KYC interface for your cross-chain swaps. Leodex wants DEX to feel like CEX for people who are tired of high fees munching away on their trades. With the launch of https://thorchain.leodex.io/ the cheapest Interface on Thorchain is born. On LeoDex.io you can swap Layer One native assets such as ETH, DOGE, USTD and of course BTC and many more, completely without fees.

If you are looking to swap Bitcoin to ETH and are looking for the cheapest way you have just found it.

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The lowest fee Thorchain interface is now provided by the team of inleo.io and leodex.io

The main USPs of this Thorchain interface are:

  • no affiliate fees, no charges from the interface itself you only pay network fees
  • swaps are done only with Thorchain routes for maximum purity of decentralized swaps
  • simple easy quick trade UI that is good for beginners and crypto veterans as well
  • No KYC, no registration, no emails, just log in with the wallet of your choice
  • all major crypto currencies supported. Swap your BTC, ETH, USDT,USDC,DOGE, LTC, Base and many without fess and across chains!

LeoDex offers a two-pronged approach to crypto swapping: a "Swaps-Only" version for straightforward, fee-free THORChain swaps, and an advanced app (leodex.io) for power users needing more complex cross-chain functionalities, including additional routes and long-tail assets.

The "Swaps-Only" version's fee-free model helps LeoDex directly compete with other decentralized and centralized exchanges. While zero-fee trading is the default, frequent users have the option to support LeoDex by adding a small, voluntary BPS (basis points) fee to their swaps. This fee goes entirely to sLEO stakers on leodex.io/leo, offering a "choose your own adventure" experience for users to contribute if they wish.

How to swap Rune for Bitcoin without fees? A step by step guide:

1. Connect your wallet of choice to https://thorchain.leodex.io/ I connected with my keystore wallet.

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2. In the swap interface choose Rune as input and Bitcoin as output

Bildschirmfoto%202025-07-31%20um%2008.00.54.png For the sake of this experiment I will swap all my Rune into BTC and also do it reverse because I like my $RUNE

3. Enter the desired amount and select the Route

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4. Click on continue with Thorchain

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5. click on swap tokens

Bildschirmfoto%202025-07-31%20um%2008.13.37.png here are the details of your fee less cross-chain swap. You see the cost of the network fees 1.15$ no other fees apply! You can click on cancel here and restart the process if you made any mistake.

6. Confirm your free cross chain swap!

Bildschirmfoto%202025-07-31%20um%2008.15.16.png You should see your transaction tracker in a few seconds: Bildschirmfoto%202025-07-31%20um%2008.15.29.png this started with status indexing but I was too slow to catch that moment. The tracker went to pending after just a second or two. And another 10-15 seconds later I already had the status changed to Success

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I checked the explorer for my transaction and gained some more info: you can check it out here: https://www.xscanner.org/tx/B1E09BC39C610D2B02278C98BB63F0E011537FFEA9940DEF7FF1D3FCDF1821B8 Bildschirmfoto%202025-07-31%20um%2008.27.27.png The final cost of this transaction was 1.09$ and these are the network fees. This would have been the same with a bigger swap as well.

How to swap BTC for RUNE without fees?

1. We repeat the steps only this time our input is BTC and our output is RUNE

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2. Select Route

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3. Confirm Swap

again I had to tweak a little bit on the numbers so I can pay for the network fees.

Bildschirmfoto%202025-07-31%20um%2008.36.02.png

4. Click on swap tokens and wait.

Bildschirmfoto%202025-07-31%20um%2008.35.52.png

This will take a bit longer but after a few seconds your transaction is visible as INDEXING

Bildschirmfoto%202025-07-31%20um%2008.37.20.png

in less than 9 minutes the transaction status was changed to SUCCESS! here is the transaction link: https://www.xscanner.org/tx/6667c4d0e6e8a732ef98f49ab0b7b3db68feb3aa67fae474d618a0b07d328757

How much did it cost?

final cost of the transaction: 0.53$ not bad at all

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A 2 million dollar swap from 17 BTC to 1,4 million Rune would only cost 1011$!!! Bildschirmfoto%202025-07-31%20um%2009.00.14.png

I hope this little tutorial on How to swap BTC for Rune and vice versa helped you with navigating LeoDex. If you have any questions feel free to ask me in the comments.

Swap cross-chain, fee free on: https://thorchain.leodex.io/

Use the OG app for more options and participate in the $LEO volume based airdrop! https://leodex.io/?ref=solymi

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