Definition ∞ On-chain spam refers to the deliberate submission of numerous low-value or nonsensical transactions to a blockchain network. This practice is often intended to congest the network, increase transaction fees for legitimate users, or disrupt normal operations. Identifying and mitigating on-chain spam is crucial for maintaining network performance and affordability.
Context ∞ The prevalence of on-chain spam is a recurring concern for many blockchain networks, particularly those with high transaction volumes and variable fee structures. Discussions often focus on the effectiveness of current anti-spam measures, such as transaction fee markets and network monitoring tools. Future developments are expected to involve more advanced techniques for distinguishing legitimate activity from malicious spam and implementing more sophisticated deterrents.
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