TExchange on Router’s Testnet Mandara is now LIVE

Router Protocol
4 min readJun 23, 2023

An IDApp that allows you to swap testnet tokens seamlessly while you earn some NFTs


TExchange is an Interoperable Decentralized Application (IDApp) designed to enhance interoperability in the world of blockchain. It capitalizes on the advanced middleware infrastructure facilitated by the Router chain and provides users with an efficient and seamless token swap functionality across various testnets. In other words, TExchange enables users to effortlessly exchange their testnet native tokens for any other desired testnet native token.

To understand TExchange’s working, let’s consider a scenario where a developer possesses a significant amount of Mumbai Matic tokens but seeks to acquire Goerli ETH tokens. In such a case, the developer can use TExchange and initiate a transaction to exchange their Mumbai Matic tokens for the desired amount of Goerli ETH tokens. This DApp acts as a reliable intermediary, facilitating a secure and streamlined cross-chain token swap process for users, enabling them to seamlessly convert their testnet holdings as per their preferences.

Overcoming Testnet Token Acquisition Challenges

There are various challenges faced by developers in acquiring testnet native tokens, for example -

  1. Limited availability of functional faucets: Most developers and users rely on faucets to obtain testnet native tokens, but the scarcity of operational faucets is a significant challenge. Of the few faucets that are available, most have run out of funds or require you to complete a number of steps in exchange for very little drip, creating difficulties in acquiring the necessary resources for deployment and testing Decentralized Applications (DApps).
  2. Impediment to deploying and testing DApps: The lack of easily accessible testnet tokens hinders developers from efficiently deploying and testing Decentralized Applications (DApps) on the testnet. This poses a substantial obstacle to the development and refinement of blockchain-based projects.
  3. Time-consuming search for reliable faucets: Developers invest a considerable amount of time searching for functional faucets that still have testnet tokens available. This added step further delays the development process and diverts valuable time and effort away from actual coding and testing tasks.
  4. Complex token acquisition process: Even if developers manage to find a reliable faucet, acquiring a sufficient number of test tokens can be a tedious and cumbersome process. Many faucets impose withdrawal limits per account or IP address, necessitating the creation of multiple accounts and requests to obtain a significant amount of testnet tokens.

Hence, to overcome these challenges, we have developed a dedicated testnet native token marketplace. This innovative platform aims to simplify your lives by offering features like Token Exchange, User-Friendly Interface, Wide Token Selection, Reliable Availability, Time and Effort Savings, etc.

TExchange and the underlying OmniChain Framework of Router

As mentioned above, TExchange utilizes Router’s Omnichain Framework to provide users with token swap functionality. The essential task of executing the swapping algorithm lies within a contract on the Router chain, while contracts on the remaining chains serve the purpose of locking and unlocking funds.

On the Router chain, TExchange houses a decentralized exchange (DEX) in the background, which serves as the backbone for liquidity pairs involving all the testnet tokens and their respective wrapped USDC pairs. This DEX ensures the availability of liquidity for seamless token swaps.

When a token swap request arises on any chain, it is routed to the Router chain. Utilizing the DEX on the Router chain, the requested token is swapped into the desired token. Subsequently, a request is transmitted to the designated chain responsible for unlocking the intended token, thereby facilitating the completion of the token swap process.

Thus, TExchange, through its utilization of Router’s Omnichain Framework, effectively combines the power of multiple chains and the functionality of a DEX to enable efficient cross-chain token swaps for the users.

How does OmniChain Framework help in making TExchange a cost-effective and robust IDApp with no liquidity fragmentation?

TExchange benefits from the OmniChain Framework in multiple ways, contributing to its cost-effectiveness and robustness as an IDApp. One key advantage is the absence of liquidity fragmentation. Liquidity pools are consolidated and maintained solely on a single chain, eliminating the need to divide liquidity across multiple chains. This approach ensures efficient utilization of user liquidity.

Furthermore, the heavy lifting involved in executing swaps via multiple paths is concentrated on the Router chain, with gas costs a fraction of what they are on chains like Ethereum, and Avalanche, among others. By offloading the complex swapping logic to the Router chain, TExchange optimizes costs associated with transaction processing and computational resources.

And while the Router chain handles the intricate swapping algorithms, other chains primarily serve the purpose of token locking and unlocking. This simplification enables easier expansion to additional chains, including non-EVM chains, with minimal effort required to extend TExchange’s functionality.


In conclusion, TExchange is just one of the many powerful use cases that can be realized by leveraging the Router chain infrastructure. The modular architecture allows for easy expansion to additional chains, while the user-friendly interface and wide token selection enhance the overall token-swapping experience. TExchange revolutionizes the acquisition and testing of testnet native tokens, facilitating the development of blockchain projects with efficiency and ease.

So, start TExchanging now on texchange.routerprotocol.com/swap and get your free NFT! Stay tuned for more updates, and keep us close at hand by following us on your preferred social media platform!

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Router Protocol

Router Protocol is an secure, composable, and modular framework for building interoperable applications. More at https://routerprotocol.com