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What are the differences between the X, P, and C-chains?
What are the differences between the X, P, and C-chains?
Amanda avatar
Written by Amanda
Updated over a week ago

Contract Chain (C-Chain)

The C stands for contract, and this is the chain that’s used for smart contracts and
Defi apps. The key difference with the other chains is that the c-chain uses an Ethereum-style address with 0x at the beginning, which can be added to your MetaMask.

Most Avalanche Defi platforms such as AAVE, Trader Joe, and Benqi work on the C-chain and are compatible with Metamask.

Exchange Chain (X-Chain)

The X-chain is used for sending and receiving funds, however, it is not used for Defi platforms. Also, note that x-chain cannot be used with MetaMask or similar wallets. Your X-chain address is accessed from the Avalanche web wallet, and you get a new address after every deposit (note that your old addresses remain valid too). The format is different from Ethereum-style 0x addresses and begins with an "X-avax".

Avalanche's X-Chain is a DAG. Avalanche’s X-Chain’s main function is transferring AVAX, it requires DAG technology to enable its ultra-high TPS and rapid finality. It allows anyone exchanging tokens to do so in a lightning-fast way with exceedingly low fees of 0.001 AVAX compared to other layer 1 blockchains.

Platform Chain (P-Chain)

The final chain that Avalanche offers is the p-chain (for the platform). The P-chain's function allows you to stake AVAX and serve as a validator. If you are a validator or delegating to a validator, then your AVAX rewards will be received on this chain. Note that these also differ from Ethereum-style 0x addresses and begin with a "P-avax".

Note that when using these addresses, it is best practice to follow case sensitivity.

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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