Definition ∞ A ZK Light Client is a lightweight client for a blockchain network that uses zero-knowledge proofs to verify the chain’s state and transaction validity. Instead of downloading and processing every block, it cryptographically confirms the correctness of the chain. This significantly reduces the computational and storage requirements for network participation.
Context ∞ ZK Light Clients are a major innovation for improving blockchain scalability and interoperability, frequently discussed in crypto news. They enable devices with limited resources, such as mobile phones, to securely interact with blockchains without relying on full nodes. This technology is crucial for expanding the accessibility of decentralized applications and facilitating cross-chain communication with high assurance.
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