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Bridge TON to other chains with Symbiosis
Moving USDT to TON or pulling Toncoin out to another chain? Here's how the bridge on TON routes any-to-any swaps, which networks are live, and what to expect on fees.
Updates

Numbers
Proven performance
TL;DR
Key takeaways
TON Bridge v1 is live on Symbiosis WebApp, linking TON with 30+ networks for any-to-any token swaps.
Build was funded by a TON Foundation grant after native USDT arrived on TON in April.
Proxy smart contracts powering the bridge were audited by Zokyo before launch.
v1 routes through the official TON Bridge, which adds a 5 Toncoin fee per swap.
v2 will add native USDT on TON support, drop the official bridge hop, and list pairs like NOT.
5 minute reading
Updates
TON Foundation grant and cross-chain goal
As the TON ecosystem has been rapidly growing and evolving in the past few months, the urge in cross-chain accessibility arose quite immediately. Especially with the native USDT on TON arriving in April. This spring Symbiosis proudly received a grant from TON Foundation to close the cross-chain gap in the TON ecosystem by connecting more than 30 networks with TON Blockchain.
Our initial goal was to build the decentralized cross-chain protocol that supports “any-to-any” swaps - meaning that users can exchange any tokens from supported blockchain to assets on TON and vice versa.
Our cross-chain protocol is deployed in its initial version, and here’s what you should know about it
Current version of TON bridge at Symbiosis - v1
TON is now available at Symbiosis WebApp right at app.symbiosis.finance. It supports the seamless swap of Toncoin to the supported tokens within one unified interface at Symbiosis and via connecting your TON wallet.
Specifications and features of our TON bridge v1
As it’s the first version of our TON cross-chain protocol, some of the features will be adjusted later, including the availability of TON Blockchain’s assets in Symbiosis WebApp. During the development of our cross-chain protocol on TON, we developed and implemented proxy smart contracts that were successfully audited by Zokyo.
In order to connect the TON ecosystem and Toncoin with over 30+ blockchain networks, we decided to go with the fastest yet decentralized solution. This approach includes the support of the official TON Bridge as an intermediate in the exchange.
Therefore, the TON swaps that you perform via Symbiosis currently include a fee from the TON Official Bridge (5 Toncoin fee), as they’re processed via this platform in this version.
How to use TON at Symbiosis?
Here’s how you swap or bridge your tokens on TON Blockchain via Symbiosis:
Visit Symbiosis WebApp and choose TON as a “Transfer From” or “Transfer To” blockchain network;
Select the available assets for the swap and state the amount you’d want to exchange;
Proceed to connecting your wallet and confirming the exchange rates and terms;
If everything looks good to you, it’s time to execute the transaction. One click, and your funds will be exchanged!
While there’s some work to be done this summer, we have already accomplished one of the most important goals for us and our users - bringing cross-chain to the TON ecosystem.
TON Season is open at Symbiosis
What’s Coming Next? TON Cross-Chain Swaps - v2
Since TON is already available for Symbiotes and the TON community at Symbiosis WebApp, the building of TON bridge doesn’t end on our side. There are several steps we plan to take in the upcoming months.
Our next goal is to make exchange transactions from and to TON Blockchain way faster and cheaper. This would be possible by developing a specific logic within the smart contracts deployed on TON, which will make native USDT on TON supported at Symbiosis cross-chain protocol;
Currently, the exchange routes include the TON official bridge. Our next target is to eliminate this step and, respectively, introduce a more flexible exchange rate that will serve for the users’ best;
Moreover, a broader scope of available routes and pairs will be introduced to our TON cross-chain protocol, such as Notcoin (NOT) and many more;
Our team currently researched the basis that could be later used by builders and users to integrate TON into their crypto solutions or their Telegram Bots and Mini Apps (Did someone say Symbiosis Telegram App? )
In order to build the best version of TON Bridge, we would take into account the input from our active users of the cross-chain protocol. The flow is simple:
Use TON Bridge at Symbiosis and collect any important feedback;
Enter Symbiosis’ Telegram or Discord communities;
Share your feedback in one of the chats to request the changes.
Follow TON Agenda at Symbiosis
The upcoming summer is definitely one of a kind to watch closely. It’s a good idea to stay connected and check our announcements related to TON Bridge developments.
FAQs
Got questions?
Still have questions? Contact us and we’ll help you out.
01
How do I bridge TON to other blockchains?
Open the Symbiosis WebApp at app.symbiosis.finance, pick TON as the Transfer From or Transfer To network, choose an asset and amount, connect your TON wallet, and confirm the swap. The funds are exchanged in one transaction.
02
How many blockchains does Symbiosis TON Bridge connect?
Symbiosis TON Bridge v1 connects TON Blockchain with more than 30 networks, enabling any-to-any swaps between Toncoin and assets across the supported chains directly inside the Symbiosis WebApp.
03
What fees apply when bridging TON via Symbiosis?
TON swaps on Symbiosis v1 currently route through the official TON Bridge as an intermediate step, which adds a 5 Toncoin fee on top of the standard Symbiosis exchange flow.
04
Is the Symbiosis TON Bridge audited?
Yes. The proxy smart contracts developed for the TON cross-chain protocol were audited by Zokyo before the v1 launch on Symbiosis WebApp.
05
Can I swap any token to Toncoin with Symbiosis?
Yes. The protocol is built around any-to-any swaps, so you can exchange assets from any supported blockchain to tokens on TON and back through one unified interface in the WebApp.
06
Will Symbiosis support native USDT on TON?
Support for native USDT on TON is planned for v2. Symbiosis is developing additional smart contract logic on TON so that native USDT can be routed through the cross-chain protocol.
07
What is changing in TON Bridge v2 at Symbiosis?
V2 aims to make swaps faster and cheaper by removing the official TON Bridge step, enabling a more flexible exchange rate, adding native USDT on TON, and expanding routes to assets such as Notcoin (NOT).
08
Who funded the Symbiosis TON cross-chain integration?
Symbiosis received a grant from the TON Foundation in spring to close the cross-chain gap in the TON ecosystem by connecting Toncoin and TON-based assets with more than 30 blockchain networks.
Learn more
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