Optional<LogisticsOrder findByOrderNo(String orderNo);
Finally, each response is signed with Ed25519. Public-key signatures are notoriously expensive and are usually the dominant cost in systems like this.
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The 450,000 objects, which are being held in a secret warehouse, include a possible Roman gladiator's tag, a hand axe that may be more than 40,000 years old and 19th Century gold dentures.
紧急文件，用于完成解锁和刷机操作；