What are the potential security risks associated with DAG-based cryptocurrencies?

3 answers

• hdiriaurOct 14, 2025 · a month ago
  One potential security risk associated with DAG-based cryptocurrencies is the possibility of a 51% attack. Since DAG-based cryptocurrencies rely on a consensus mechanism where users validate each other's transactions, if a single entity or group of entities controls more than 51% of the network's computational power, they could potentially manipulate the transaction history and double-spend coins. This could undermine the integrity and trustworthiness of the cryptocurrency.
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• Anastasija ČuhunovsOct 17, 2025 · a month ago
  Another security risk is the vulnerability to spam attacks. DAG-based cryptocurrencies often use a feeless transaction model, which makes them susceptible to spam attacks. Malicious actors can flood the network with a large number of low-value transactions, causing congestion and slowing down the network. This can lead to a degradation of the user experience and potential denial-of-service attacks.
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• DeividApr 09, 2024 · 2 years ago
  From BYDFi's perspective, DAG-based cryptocurrencies may also face security risks related to the underlying technology. While DAG offers scalability and fast transaction confirmation, it is a relatively new technology compared to blockchain. This means that there may be undiscovered vulnerabilities or weaknesses in the DAG protocol that could be exploited by attackers. It is important for developers and researchers to continuously analyze and improve the security of DAG-based cryptocurrencies to mitigate these risks.
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