2025-06-23【#即市期權】
06/25月期權
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23,200認沽
總成交: 1969 (↑263)
未平倉: 803 (上個交易日)
24,000認購
總成交: 1596 (↑280)
未平倉: 1002 (上個交易日)
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最近交易於: 16:12 HKT
註: 數據最少延遲三十分鐘以上
(期指結算前夕及結算當日因轉倉活動會較為波動，數據會出現異常情況)
免責聲明：投資涉及風險，數據及內容只供參考，並不構成任何投資意見。
~歡迎提供意見及投資策略~
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BY 智能講股
Telegram has no known backdoors and, even though it is come in for criticism for using proprietary encryption methods instead of open-source ones, those have yet to be compromised. While no messaging app can guarantee a 100% impermeable defense against determined attackers, Telegram is vulnerabilities are few and either theoretical or based on spoof files fooling users into actively enabling an attack.
Most people buy Bitcoin via exchanges, such as Coinbase. Exchanges allow you to buy, sell and hold cryptocurrency, and setting up an account is similar to opening a brokerage account—you’ll need to verify your identity and provide some kind of funding source, such as a bank account or debit card. Major exchanges include Coinbase, Kraken, and Gemini. You can also buy Bitcoin at a broker like Robinhood. Regardless of where you buy your Bitcoin, you’ll need a digital wallet in which to store it. This might be what’s called a hot wallet or a cold wallet. A hot wallet (also called an online wallet) is stored by an exchange or a provider in the cloud. Providers of online wallets include Exodus, Electrum and Mycelium. A cold wallet (or mobile wallet) is an offline device used to store Bitcoin and is not connected to the Internet. Some mobile wallet options include Trezor and Ledger.
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