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Glossary·
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RPC node
The endpoint your application talks to in order to read chain state and broadcast transactions — either a node you run or a hosted provider such as Alchemy or Infura.
Why it matters
It is the quiet single point of failure in most dApps: when the RPC is rate-limited or lagging, balances read wrong and transactions vanish, and users blame your product, not the provider.
How we approach it
We configure fallback providers, cache reads that do not need to be fresh, and monitor block lag — so a degraded endpoint shows as a clear warning instead of a silently wrong balance.
