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马克斯•塞登,克里斯托弗•米勒里加,基辅报道
弗拉基米尔•普京(Vladimir Putin)欢呼自入侵乌克兰初期以来的首场重大胜利，声称俄方部队拿下了乌克兰东部城市巴赫穆特(Bakhmut)，尽管基辅方面坚称战斗“尚未结束”。俄罗斯总统表示，准军事组织瓦格纳(Wagner)在俄罗斯武装部队的支援下攻占了这座乌克兰城市。此前一场持续数月的血腥战役造成逾10万人伤亡，并将这座城市炸成废墟。“所有表现突出的人...
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BY FT中文网
Telegram’s stand out feature is its encryption scheme that keeps messages and media secure in transit. The scheme is known as MTProto and is based on 256-bit AES encryption, RSA encryption, and Diffie-Hellman key exchange. The result of this complicated and technical-sounding jargon? A messaging service that claims to keep your data safe.Why do we say claims? When dealing with security, you always want to leave room for scrutiny, and a few cryptography experts have criticized the system. Overall, any level of encryption is better than none, but a level of discretion should always be observed with any online connected system, even Telegram.
The lead from Wall Street offers little clarity as the major averages opened lower on Friday and then bounced back and forth across the unchanged line, finally finishing mixed and little changed.The Dow added 33.18 points or 0.10 percent to finish at 34,798.00, while the NASDAQ eased 4.54 points or 0.03 percent to close at 15,047.70 and the S&P 500 rose 6.50 points or 0.15 percent to end at 4,455.48. For the week, the Dow rose 0.6 percent, the NASDAQ added 0.1 percent and the S&P gained 0.5 percent.The lackluster performance on Wall Street came on uncertainty about the outlook for the markets following recent volatility.
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