A system that connects a Layer 2 scaling solution with a Layer 1 blockchain or another Layer 2 network. These bridges facilitate the transfer of assets and data between different blockchain environments. They are essential for interoperability, allowing users to move value across disparate blockchain protocols.
Context
Layer 2 bridges are critical infrastructure for the expanding decentralized application ecosystem, but they also represent potential security vectors. Reports of bridge exploits highlight the ongoing challenges in securing these inter-network communication channels. Developers are continually working to enhance the security and efficiency of these essential interoperability tools.
A reentrancy vulnerability in the Shibarium Bridge led to a $2.4 million asset drain, underscoring critical security gaps in cross-chain infrastructure.
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