Definition ∞ Spam auctions are a phenomenon in certain blockchain networks where participants intentionally submit numerous low-value or nonsensical transactions to disrupt network operations or to exploit fee structures. These actions can lead to increased transaction costs for legitimate users and can clog the network. They are often executed by automated scripts designed to consume block space. The motivation can range from simple disruption to attempts at manipulating transaction ordering. Context ∞ Spam auctions are a recurring challenge in public blockchains, prompting discussions about network congestion management and fee mechanisms. Efforts to mitigate their impact often involve adjusting gas price formulas or implementing transaction validation rules. Their occurrence highlights the ongoing tension between open access and network resource management.
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