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DOS

All about denial of service in Solidity.

QuestionAnswer
Define a DOS A conditional statement ( if . for , while ) should not depend on an external call: the callee may permanently fail ( throw or revert ), preventing the caller from completing the execution.
Denial of Service (DoS) Attacks Mitigation: Implement rate limiting and circuit-breaking mechanisms, use gas stipends for external calls, set appropriate timeouts and maximum loop iterations, and consider potential resource exhaustion scenarios during contract design.
DoS with (unexpected) revert DoS (denial-of-service) attacks can occur in functions when you try to send funds to a user and the functionality relies on that fund transfer being successful. This can be problematic in the case that the funds are sent to a smart contract created by
DoS with block gas limit In the Ethereum blockchain, the blocks all have a gas limit. One of the benefits of a block gas limit is it prevents attackers from creating an infinite transaction loop, but if the gas usage of a transaction exceeds this limit, the transaction will fail.
Created by: jauvany
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