What is the Context of Zero Fee Attack?

In crypto news, discussions about zero-fee attacks often arise in the context of network scalability and economic security models of various blockchains. While many modern blockchains mitigate this risk through minimum fee requirements or dynamic fee markets, older or less robust protocols could be vulnerable. The ongoing development of anti-spam mechanisms is a critical defense against such disruptive activities.

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Zero Fee Attack

Definition

A zero-fee attack refers to a theoretical or actual exploit where an attacker attempts to flood a blockchain network with transactions that carry no transaction fees. The objective is to clog the network, causing congestion and disrupting normal operations for legitimate users. Such an attack exploits the network’s processing capacity without incurring significant cost to the attacker. It aims to degrade service availability.