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[Ethereum Foundation Sets Strict 128-Bit Encryption Rules for 2026] According to a report by Jinse Finance, the Ethereum Foundation stated that the only acceptable ultimate goal for L1 is 'provable security,' rather than 'security based on the assumption that conjecture X holds.' They have set 128-bit security as the target, aligning it with mainstream cryptographic standard organizations and academic literature on long-term systems. This also corresponds to real-world computational records, which indicate that 128-bit security is practically unattainable for attackers. The EF highlighted several specific tools aimed at achieving the 128-bit security target with a size of less than 300 KB. They emphasized WHIR, a new Reed-Solomon proximity test, which is also a multilinear polynomial commitment scheme.