State Verification Cost refers to the computational resources and time required for a participant in a blockchain network to verify the current state of the ledger. This includes validating all transactions and ensuring the correctness of account balances, smart contract states, and other data. Higher costs can impede network participation and decentralization.
Context
In blockchain scaling discussions, State Verification Cost is a critical metric, with news often reporting on efforts to reduce it through various technical improvements. Solutions like stateless clients or zero-knowledge proofs aim to lower these costs, enabling more participants to run full nodes and enhancing network security. Optimizing this cost is essential for broader accessibility and decentralization of blockchain networks.
A new class of Conditional Resource Exhaustion Attacks is formalized, exploiting Turing-complete execution to decouple validator work from fee compensation, fundamentally compromising blockchain liveness.
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