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Изворен канал @pythonotes · Post #242 · 7 мај

Теперь запакуем строку. В этом случае следует передавать тип данных bytes. >>> struct.pack('=s', b'a') b'a' Для записи слова следует указывать количество символов. >>> struct.pack('=5s', b'hello') b'hello' Кстати, запакованный вид соответствует исходному тексту. Всё верно, символ есть в таблице ASCII, то есть его код попадает в диапазон 0-127, он может быть записан одним байтом и имеет визуальное представление. А вот что будет если добавить символ вне ASCII >>> struct.pack(f'=s', b'ё') SyntaxError: bytes can only contain ASCII literal characters. Ошибка возникла еще на этапе создания объекта bytes, который не может содержать такой символ. Поэтому надо кодировать эти байты из строки. >>> enc = 'ёжик'.encode('utf-8') >>> struct.pack(f'={len(enc)}s', enc) b'\xd1\x91\xd0\xb6\xd0\xb8\xd0\xba' Заметьте, длина такой строки в байтах отличается от исходной длины, так как символы вне ASCII записываются двумя байтами и более. Поэтому здесь формат создаём на лету, используя получившуюся длину как каунтер токена. #libs#basic

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disruption. The exchange's ability to cover the loss is a surprising detail, given the scale of the hack, and it underscores Bybit's financial stability and commitment to user security.Community and Market Reaction The hack triggered immediate market reactions, with Ethereum prices dropping over 3% following the confirmation, as reported by Decrypt. The crypto community on X saw panic, with hashtags like #Bybit and #Hacked trending, and users urging immediate withdrawals. However, Bybit's transparency initiative, announced earlier that day, making liquidation data publicly accessible via an enhanced API, was highlighted as an industry benchmark, potentially mitigating long-term trust issues (WorldCoinIndex).Analysis of Security Measures Bybit has historically emphasized robust security, including AI-powered fraud detection that thwarted over $79 million in suspicious withdrawals in the first half of 2024. The exchange's use of cold storage for user funds and a policy limiting withdrawals to three times per day were noted in past reviews, such as CoinFi, which praised Bybit's security measures before this incident. However, the sophistication of the attack, involving masked UI spoofing and smart contract manipulation, indicates evolving threats that even established exchanges face. Conclusion In conclusion, Bybit was indeed hacked on February 21, 2025, with an estimated loss of $1.4 billion, confirmed by multiple sources including Bybit's CEO via X and news outlets like CryptoBriefing and Cointelegraph. Despite the severity, Bybit's assurance that user funds are safe and operations are normal, backed by their solvency to cover losses, provides reassurance. This incident highlights the ongoing challenges in crypto security and the importance of transparency, as demonstrated by Bybit's response and community engagement.

NEWS 鏈新聞-ABMedia

@abmedia_news · Post #23798 · 11.04.2026 г., 07:16

【🚀產品技術|OpenAI 緊急要求所有 macOS 用戶更新應用程式,Axios 供應鏈攻擊引發安全憑證更新 】 #OpenAI#macOS#Axios#Hacked 📍請見報導: https://abmedia.io/openai-macos-security-update-axios-supply-chain-incident 📍訂閱鏈新聞頻道:https://linktr.ee/abmedia.io