Definition ∞ An on-chain gateway refers to a smart contract or protocol that facilitates the transfer of assets or data between different blockchain networks or between a blockchain and external systems. It acts as a verifiable bridge, ensuring the integrity and security of cross-chain operations. These gateways are essential for interoperability, allowing digital assets and information to flow across disparate blockchain environments. They enable a more connected decentralized ecosystem.
Context ∞ On-chain gateways are a key topic in news regarding blockchain interoperability and the expansion of decentralized finance (DeFi) across multiple networks. Their security and reliability are paramount, as vulnerabilities could lead to significant asset losses. Developments in cross-chain bridges and atomic swaps represent ongoing efforts to enhance the functionality and safety of these critical gateways.
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