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How Can a User Estimate the Correct Gas Limit for a Complex Smart Contract Interaction?

Wallets and explorers simulate the transaction on a node (dry run) to estimate the 'Gas Used' and set a safe limit slightly above that.
Greeks.Live05.11.25

How Can a User Estimate the Correct Gas Limit for a Complex Smart Contract Interaction?

Users typically rely on wallet software or blockchain explorers which perform a 'dry run' or simulation of the transaction on a local node. This simulation accurately calculates the 'Gas Used' without actually broadcasting the transaction.

The user then sets a Gas Limit slightly higher than this estimate for safety.

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