YH雲禾財經教學

1.【動態 | Ledger將補救Nano S固件更新問題 (錢包安全)】

據cointelegraph報道，法國加密貨幣硬件錢包公司Ledger于2月14日在其官方博客上發布了一篇帖子，對Ledger Nano S最近的固件更新問題進行道歉。據悉，此次更新降低了設備的存儲容量，Ledger已承諾將進行補救。

1. [Dynamic | Ledger will remedy Nano S firmware update issues (wallet security)]

According to the cointelegraph, the French cryptocurrency hardware wallet company Ledger posted a post on its official blog on February 14 to apologize for the recent firmware update issue with Ledger Nano S. It is reported that this update reduces the storage capacity of the device, and Ledger has promised to remedy it.

2.【動態 | Coinmama交易所遭黑客攻擊，45萬用戶信息泄露 (交易所安全)】

據降維安全實驗室（johnwick.io)了解，數字貨幣交易所Coinmama遭黑客攻擊，45萬用戶信息被公布在暗網。據Coinmama稱，泄露信息涉及到2017 年8月5 日之前注冊的用戶，降維安全實驗室在此提醒相關交易所用戶請及時修改賬戶密碼，建議個人用戶在不同網站不要使用單一密碼，切勿隨意點擊未知郵件中的網址和附件，防止遭到釣魚攻擊。

2. [Dynamic | Coinmama exchange was hacked, 450,000 user information leaked (exchange security)]

According to the dimensional security laboratory (johnwick.io), the digital currency exchange Coinmama was hacked and 450,000 user information was published on the dark network. According to Coinmama, the leaked information relates to users registered before August 5, 2017. The Dimensional Security Lab reminds the relevant exchange users to change the account password in time. It is recommended that individual users do not use a single password on different websites. Feel free to click on URLs and attachments in unknown messages to prevent phishing attacks.

3.【金色晨訊 | 蘋果向SEC提交文件 提及區塊鏈領域工作】

(1) Argo將於4月關閉加密貨幣挖礦即服務。

(2)法國超過一萬家零售商店將接受加密貨幣支付。

(3)蘋果向SEC提交文件，提及區塊鏈領域工作。

(4)現代子公司與IBM合作加速區塊鏈開發。

(5)列支敦士登郵政公司開始銷售比特幣。

(6)印尼首席經濟部長：比特幣和加密禁令將不會解除。

(7)廣東商戶開出電商行業首張區塊鏈電子發票。

(8)CME首席執行官：政府參與是加密貨幣成功的關鍵。

(9)國SEC開始審核Arca和Bitwise的比特幣ETF規則變更提案。

3. [Golden Morning News | Apple submits documents to the SEC, mentions work in the blockchain field]

(1) Argo will close the cryptocurrency mining as a service in April.

(2) More than 10,000 retail stores in France will accept cryptocurrency payments.

(3) Apple submitted documents to the SEC, referring to the work in the blockchain field.

(4) Hyundai subsidiary cooperates with IBM to accelerate the development of blockchain.

(5) The Liechtenstein Post Company began selling Bitcoin.

(6) Indonesia's Chief Economic Minister: Bitcoin and encryption ban will not be lifted.

(7) Guangdong merchants opened the first blockchain electronic invoice for the e-commerce industry.

(8) CME CEO: Government involvement is the key to the success of cryptocurrency.

(9) The National SEC began reviewing Arca and Bitwise's Bitcoin ETF rule change proposal.

4.【聲音 | 慢霧聯合創始人余弦：警惕錢包助記詞截圖、私鑰剪切板被作惡App盜取 (錢包安全)】

慢霧聯合創始人余弦今日發布微博稱，安卓的App權限控制確實很坑，一個不小心你的錢包助記詞截圖、私鑰剪切板就可能被作惡App盜取，不需要root，攻擊場景很廣、很容易。iPhone做得相對好，但也要小心剪貼板竊取。剪切板用完就應該釋放，自動釋放機制沒有，就養成個手動替換的習慣。

4. [Sound | Slow fog co-founder Cosine: Vigilance wallet mnemonic screenshots, private key clipboard is used for evil App stealing (wallet security)]

Slow fog co-founder Cosin released Weibo today, Android's App permissions control is really pit, a careless screenshot of your wallet mnemonic, private key clipboard can be misappropriated, no root, attack The scene is wide and easy. The iPhone is doing relatively well, but be careful with the clipboard. When the shear plate is used up, it should be released. If the automatic release mechanism is not available, it will form a habit of manual replacement.

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