Cross-chain refers to activity, assets, or messages that involve more than one blockchain network.
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Short definition
Cross-Chain is cross-chain refers to activity, assets, or messages that involve more than one blockchain network.
Simple explanation
Cross-chain systems help separate chains communicate or transfer value.
Why it matters
Cross-chain activity introduces extra complexity, including bridge risk, network selection, and wrapped assets.
Example context
Moving a token from Ethereum to a Layer 2 network is a cross-chain action.