Buffer overflow refers to a situation where a program writes more data to a buffer than it can hold. This excess data can overwrite adjacent memory, potentially allowing an attacker to manipulate the program’s execution flow.In cryptocurrency, such vulnerabilities can have serious consequences. Smart contracts, which are self-executing contracts with the terms directly written into code, can be particularly susceptible. If a buffer overflow occurs, an attacker might exploit it to execute rogue functions or drain funds.For example, if a smart contract fails to adequately check the size of input data, an attacker could craft a transaction that overflows the buffer, leading to unauthorized access or manipulation of the contract. This can result in financial losses for users and damage to the platform’s credibility.To mitigate these risks, developers must implement rigorous input validation and testing measures. Ongoing audits and updates are essential to safeguard against buffer overflow attacks and protect users’ assets.