Stopping Reentrancy: Implementing the Checks-Effects-Interactions Pattern
Learn how to prevent reentrancy attacks in Solidity using the Checks-Effects-Interactions (CEI) pattern to ensure contract state is updated before external calls.
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solidityDeciding Where Vyper's @nonreentrant Lock Belongs in a Contract That Moves Funds
An architecture note on where Vyper's @nonreentrant lock belongs: which functions need it, why checks-effects-interactions is still required, and how to verify the lock with a hostile receiver contract.
vyper