Crypto · Infrastructure

Cutting tens of thousands per month in excess RPC spend

An infrastructure and code audit for a crypto company that uncovered a bug driving tens of thousands of dollars per month in unnecessary blockchain RPC costs.

SolidityWAGMIReactEVM RPC

The problem

A crypto company's infrastructure bill kept climbing, with blockchain RPC (node) usage as a large and growing line item. The spend was far higher than the product's actual on-chain activity justified, but the root cause wasn't obvious from the dashboards.

Our approach

  • Ran an advisory engagement: audited the application's on-chain data-access patterns across the contract and frontend layers.
  • Profiled where and how RPC calls were being made, and traced redundant and excessive call patterns back to their source in the code.
  • Identified a bug responsible for a large share of the wasted calls, and laid out concrete fixes to call batching, caching, and access patterns.

Outcome

  • Pinpointed a bug causing tens of thousands of dollars per month in excess RPC spend.
  • A remediation path that cut recurring infrastructure cost without changing product behavior.
  • Clear visibility into on-chain access patterns for the client's team going forward.

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Anonymized at the client's request — sector and outcomes are real, identifying details removed.