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What is the Exchange Chain (X-Chain)?
What is the Exchange Chain (X-Chain)?
Amanda avatar
Written by Amanda
Updated over a week ago

The Exchange Chain (X-Chain) serves as the default asset blockchain on the Avalanche® platform and is designed for specific purposes, such as creating new assets, facilitating asset exchanges, and enabling cross-Subnet transfers. Here's a breakdown of its main functions and features:

1. Token Creation: The X-Chain allows users and developers to create new digital assets. These assets can represent various forms of value, such as tokens or other digital representations of assets (tokenization).

2. Asset Exchange: It facilitates the exchange of assets along the chain. This means that users can trade one asset for another directly on the X-Chain without the need for an intermediary, making it suitable for decentralized exchanges and asset trading platforms.

3. Cross-Subnet Transfers: The X-Chain enables the transfer of assets between different subnets within the Avalanche network. Subnets are separate chains within the network, and the X-Chain allows for interoperability between them, enhancing the flexibility of asset movement.

4. No Total Ordering: Unlike some other blockchains, the X-Chain is designed for applications that do not require total ordering of transactions. Total ordering is a strict sequencing of transactions, which is essential in some use cases but not in others. By not enforcing total ordering, the X-Chain can achieve higher throughput and scalability.

5. Snowman Consensus Protocol: The X-Chain implements the Snowman consensus protocol, which is a key component of the Avalanche consensus mechanism. Avalanche is known for its high-speed and scalable consensus algorithm, and the Snowman protocol contributes to the platform's overall performance.

The Exchange Chain is well-suited for applications that involve the creation and exchange of digital assets, such as decentralized finance (DeFi) platforms, non-fungible token (NFT) marketplaces, and other tokenized asset ecosystems. Its flexibility and compatibility with cross-Subnet transfers make it a versatile choice for a wide range of use cases within the Avalanche network.

NOTE: When using these addresses, it is best practice to follow case sensitivity.

Learn more about all Avalanche blockchains here and view the Exchange Chain API docs here.

For any additional questions, please view our other knowledge base articles or contact a support team member via the chat button. Examples are for illustrative purposes only.

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