Cardano Network Mitigates DDoS Attack, Continues Stable Operation

周二晚间，Cardano 网络遭遇了分布式拒绝服务（DDoS）攻击，此次攻击的特点是恶意活动大幅激增，旨在破坏其运营。

Cardano (ADA) encountered a distributed denial of service (DDoS) attack on March 14, but the blockchain's robust mechanisms effectively countered the threat, ensuring the network remained operational and stable throughout the ordeal. The attack, which began at block 10,487,530, saw each transaction executing 194 smart contracts of the REWARD type and spending 0.9 ADA per transaction, according to FluidToken Chief Technology Officer @ElRaulito_cnft. This strategy aimed to overload the network by filling each block with these complex transactions, creating a backlog and degrading the network's performance. "In this way, they can send large transactions while spending the least possible amount," @ElRaulito_cnft explained. Cardano development firm Anastasia founder Philip Disarro, who played a key role in neutralizing the threat, revealed that the attacker's activities were curtailed after reading Disarro's public response on X. "DDOSer halted his attack after reading my tweet in an effort to protect his funds. Alas, they were too late and the pillaging of their funds is already in progress. Thanks for the free money moron. Truly iconic that the attacker who presumably wanted to damage the ecosystem actually ended up donating to the open-source smart contract development work we do at Anastasia Labs & funding Midgard," Disarro explained via X. The Cardano community closely monitored the situation as it unfolded. BigPey, a prominent content creator within the Cardano ecosystem, reassured the community via X, stating, "Someone tried to DDOS Cardano today. Barely anything happened, and the network didn't crash. ADA is resilient." This sentiment was echoed across the community, highlighting confidence in the network's stability and security measures. The Art of Selling Art founder Jason Matias visually described the impact of the DDoS attack on network operations. "This is what the DDoS attack on Cardano looks like right now. The grey gear icons are the spam transactions that someone is sending, creating larger, more difficult to process blocks," Matias noted, clarifying how the transactions visually appeared within network monitoring tools. The impact of the DDoS attack was further mitigated by Cardano's use of the extended Unspent Transaction Output (eUTxO) model, which differs significantly from the account-based models used by other major blockchains like Ethereum. In the eUTxO model, each transaction output contains not only a value but also a script defining how the funds can be used next, which allows the protocol to handle each transaction output independently. This architectural choice enables better scalability and security, as it prevents transactions from interfering with each other, thereby isolating potential issues like those introduced by the DDoS attack. The independent processing of each transaction ensures that malicious activity affecting one does not compromise the integrity of others, allowing the network to maintain high throughput and reliability even under duress. Following the attack, the ADA price was not affected. The ADA price is up 5% in the last 24 hours, trading at $0.39.

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