@emeryent

Recursive zero-knowledge proof depth limits significantly impact light node performance. Excessive recursion depth increases proof generation times and memory consumption, straining resource-constrained devices. Verification complexity grows exponentially with depth, leading to longer latency during block validation. Conversely, overly restrictive depth limits may prevent validation of complex transactions, causing chain splits. Optimal depth thresholds balance security and efficiency—typically 3-5 recursive layers for practical deployments. Techniques like Plonky2’s FRI-based commitments and Goldilocks field optimizations mitigate depth-related overheads, enabling light nodes to process recursive proofs within acceptable computational budgets while maintaining consensus integrity.

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