區塊鏈週報:Coinbase CEO等內部人士已出售其股票超46億美元;斯諾登首個NFT作品以547萬美金成功拍賣;英偉達支持加密挖礦部門預計Q1銷售額將達1.5億美元

{"type":"doc","content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":">區塊鏈週報欄目從產業動態、數字貨幣、權威觀點、監管和技術等方面,爲您總結了本週區塊鏈領域發生的頭條事件,讓您更快速瞭解行業最新動態。更多信息關注公衆號:區塊鏈前哨(ID:blockchain-666)"}]},{"type":"heading","attrs":{"align":null,"level":2},"content":[{"type":"text","text":"本週頭條"}]},{"type":"heading","attrs":{"align":null,"level":4},"content":[{"type":"text","text":"BTC短線跳水,一度跌破51000美元后反彈"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"根據huobi行情顯示,BTC短時一度跌破51000 美元,最低至50880美元,日內跌幅擴大至14.96%。據幣coin行情統計報告顯示:過去1小時合約市場全網總計爆倉39.6億美元,過去24小時爆倉52.5億美元,爆倉人數465486人。截至本文發出,比特幣報55380.23美元。"}]},{"type":"heading","attrs":{"align":null,"level":4},"content":[{"type":"text","text":"Coinbase上市後,內部人士已出售超46億美元的股票"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"4月15日,加密貨幣交易平臺Coinbase正式登陸納斯達克,開盤價報381美元,漲約52%,截止收盤,Coinbase收漲31.31%,報328.28美元,市值610.56億美元。在用戶規模上,該公司披露,它擁有5600萬認證交易用戶。今年第一季度,其交易平臺擁有610萬月度活躍用戶。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"4月14日,Coinbase 聯合創始人 Fred·Ehrsam 在社交媒體回顧 Coinbase 從 2012 年比特幣價格只有 6 美元開始創立,到如今比特幣價格 63000 美元且 Coinbase 即將上市的歷程和當前行業狀況。Fred 表示有幸成爲這次恢弘旅程的一小部分。最後,他隔空喊話中本聰:謝謝你,不管你是誰。2011年,比特幣創始人中本聰的郵箱關閉,從此再未出現過。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"據Capital Market Laboratories的數據以及Coinbase投資者關係網站的文件證實,Coinbase內部人士共出售了12965079股股票。按照Coinbase週五收盤時每股344.38美元的價格計算,價值超過46億美元。"}]},{"type":"heading","attrs":{"align":null,"level":2},"content":[{"type":"text","text":"產業動態"}]},{"type":"heading","attrs":{"align":null,"level":4},"content":[{"type":"text","text":"嘉楠科技發佈年報,四季度末預收款超4億元環比增8成"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"北京時間4月12日,嘉楠科技(NASDAQ:CAN)發佈2020年全年及第四季度財務報告。財報顯示,下半年公司訂單獲大幅增長,第四季度訂單量逾9.2萬臺。截止2020年末,公司已達成訂單合同總量爲11.31億元,其中銷售預收款4.29億元,較三季度增加了3.51億元,增幅爲81.8%。截至2021年一季度末,預售礦機超過15.6萬臺,預收款項超過15.47億元。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"嘉楠科技第四季度總淨營收3820萬元,營收成本從2019年同期的11.4億元和2020年第三季度的1.8億元下降到2920萬元。當季公司毛利從2019年同期虧損6.734億元和2020年第三季度虧損1700萬元扭虧爲盈錄得910萬元,毛利率轉正爲23%。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"從全年看,2020年公司總淨營收4.477億元,全年營收成本從2019年的19.4億元下降到4.099億元,降幅達78.9%。2020年全年毛利潤3780萬元,而2019年全年毛虧損爲5.16億元。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"公司主要財務報告亮點包括訂單大增、預收大漲、成本下降、毛利轉正、研發增加、現金充沛、AI芯片出貨量同比翻3倍。"}]},{"type":"heading","attrs":{"align":null,"level":4},"content":[{"type":"text","text":"白宮新聞祕書:拜登同意美國財長耶倫反加密貨幣的觀點"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"週四,美國白宮新聞祕書Jen Psaki在新聞發佈會上表示,在監管加密貨幣方面,拜登同意美國財長耶倫在監管加密貨幣方面的觀點。耶倫曾在1月的提名聽證會上呼籲立法者“減少”加密貨幣的使用。她表示:“我認爲我們確實需要研究減少使用加密貨幣的方式,並確保不會通過這些渠道進行洗錢。”"}]},{"type":"heading","attrs":{"align":null,"level":4},"content":[{"type":"text","text":"英偉達支持加密挖礦的部門預計第一季度銷售額將達到1.5億美元"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"週一,英偉達(Nvidia)表示,該公司第一季度營收將超過此前預計的53億美元,這得益於市場對數據中心和加密貨幣挖礦芯片的強勁需求。英偉達表示,該公司支持加密貨幣挖礦的部門預計第一季度銷售額將達到1.5億美元,高於此前預期的5000萬美元。英偉達首席財務官Colette Kress表示,預計今年大部分時間需求將繼續超過供應。"}]},{"type":"heading","attrs":{"align":null,"level":4},"content":[{"type":"text","text":"數字人民幣已在港測試,涉及跨境支付等應用場景"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"香港金管局發言人表示,數字人民幣已在港測試,涉及跨境支付等應用場景。數字人民幣作跨境支付在香港進行的技術測試過程順利,測試涉及人民銀行指定的中國銀行(香港)與受邀參與進行測試的銀行員工(約200名)及商戶,主要範圍包括測試有關的應用、系統連接以及數字人民幣作跨境支付的應用場景。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"管局現正與人民銀行討論下一階段的測試計劃,將會就進一步擴展及深化數字人民幣作跨境支付的應用進行技術測試。"}]},{"type":"heading","attrs":{"align":null,"level":4},"content":[{"type":"text","text":"開源區塊鏈基礎設施項目Orbs與微軟Azure集成"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"星球日報訊 無需許可的開源區塊鏈基礎設施項目Orbs最近已完全整合至Amazon AMI。從現在開始,用戶也可以在Microsoft Azure上使用Orbs鏡像。將Orbs集成到微軟Azure和AWS中可以確保大多數開發人員能夠建立一個虛擬機鏡像,其中包含開始在Orbs上開發所需的一切。"}]},{"type":"heading","attrs":{"align":null,"level":4},"content":[{"type":"text","text":"比特大陸發佈以太坊新ASIC礦機E9,性能和價格暫未公佈"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"比特大陸宣佈發佈以太坊新礦機E9,價格、性能與產能暫時沒有公佈。比特大陸以太坊ASIC礦機爲E系列,18年E3因爲設計失敗加上恰逢熊市,曾導致大量堆貨。後續E系列產品基本沒有對外售賣。2020年7月今日螞蟻哨兵網站監測數據出現一個名爲“E7”的礦機正在進行挖礦,比特大陸的以太坊礦機E7由此曝光,單臺最高算力在800M左右,殘品在500-700M左右。有傳聞E9的性能理論上達到E7的2倍,發貨時間可能在今年年底甚至更晚,因爲行業產能普遍不足。"}]},{"type":"heading","attrs":{"align":null,"level":4},"content":[{"type":"text","text":"俄羅斯央行計劃允許數字盧布與私人支付平臺集成"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"俄羅斯央行發佈了未來三年支付發展的綜合戰略,其戰略中突出的一點是強調其數字盧布。除了重複先前的聲明,即任何潛在的數字盧布都需要具有“現金和非現金屬性”之外,CBR還計劃開發開放的API,以允許數字盧布與任何其他私人支付平臺集成。初步試點時間定於2022年。"}]},{"type":"heading","attrs":{"align":null,"level":4},"content":[{"type":"text","text":"瑞典央行公佈央行數字貨幣E-Krona的五年時間表"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"瑞典中央銀行行長Stefan Ingves爲計劃發行的數字貨幣E-Krona制定了一個暫定的時間表。Ingves表示,在五年之內,瑞典央行擁有可操作的數字貨幣“是一個合理的目標”。雖然這是該銀行首次提出這樣的估計,但早些時候對E-Krona的樂觀態度,意味着這一時間表並不像一些人可能預計的那麼快。"}]},{"type":"heading","attrs":{"align":null,"level":2},"content":[{"type":"text","text":"加密建設"}]},{"type":"heading","attrs":{"align":null,"level":4},"content":[{"type":"text","text":"幣安推出股權代幣,特斯拉成爲首家代幣產品"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"近日,加密貨幣交易平臺幣安宣佈推出名爲 Binance Stock Tokens(BST)的零佣金可交易股權代幣,允許用戶交易零散股票。特斯拉 (TSLA.US)將是第一個上市的股權代幣,並計劃於 4 月 12 日在該平臺開放部分交易。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"該平臺的股權代幣股權代幣以 BUSD 計價,結算和抵押。根據 Decrypt 的報告,Binance 的股權代幣由一個基礎證券投資組合支持。因此,令牌的持有者將有資格獲得基礎股票的回報。不過官方通告顯示,中國大陸、土耳其和其他受限制的司法管轄區的用戶不可以交易該代幣。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"目前,特斯拉是唯一一家得到幣安股權代幣計劃支持的公司。不過,該平臺已經表示,如果投資者展現充分的興趣,未來將可能會出現更多的股權代幣。"}]},{"type":"heading","attrs":{"align":null,"level":4},"content":[{"type":"text","text":"比特時代副總裁:因呼圖壁煤礦發生大型安全事故,比特幣算力暴跌33%"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"根據比特時代副總裁微博賬戶@薄荷礦業37度發佈的消息,因呼圖壁煤礦發生大型安全事故,比特幣算力暴跌33%,目前新疆大數據中心基本全部暫時關停,配合做消防檢查,估計一週左右恢復生產。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"此外,據吳說區塊鏈報道,受新疆全面停電安全檢查影響,過去24小時比特幣全網算力大幅下跌。主要礦池24小時算力普遍下跌約20%,其中,螞蟻礦池跌24.5%、BTC.com跌18.9%、幣印跌33%、幣安礦池跌20%。"}]},{"type":"heading","attrs":{"align":null,"level":4},"content":[{"type":"text","text":"斯諾登首個NFT作品以547萬美金成交額成功拍賣"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"“棱鏡門”事件披露者愛德華·斯諾登(Edward Snowden)首個NFT作品Stay Free已於Foundation平臺完成拍賣,去中心化組織PleasrDAO以2224枚ETH(約合547萬美金)成功拍得。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"據悉,這枚NFT使用開源軟件製作,是由攝影師 Platon拍攝的斯諾登個人照,背景是當年法院裁定美國國家安全局通過大規模監視違反了法律。出售的所有收益將捐給新聞自由基金會。自2016年以來,斯諾登一直擔任該基金會董事會主席。在拍賣開始一小時後,該收藏品的競標價就達到40 ETH(略高於10萬美元)。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"image","attrs":{"src":"https:\/\/static001.geekbang.org\/infoq\/47\/475123844779750299532c62494a8708.png","alt":null,"title":null,"style":[{"key":"width","value":"75%"},{"key":"bordertype","value":"none"}],"href":null,"fromPaste":true,"pastePass":true}},{"type":"heading","attrs":{"align":null,"level":4},"content":[{"type":"text","text":"OpenEthereum發佈v3.2.3版本,包含對柏林升級修復程序"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"4月16日,OpenEthereum在Github上發佈v3.2.3版本,其中包含針對“柏林升級”Bug的修復程序。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"據此前報道,因OpenEthereum客戶端在以太坊柏林硬分叉升級後出現的共識問題無法同步,包括Coinbase在內的多家交易所及Ledger、BitGo等錢包及數據提供商CoinMetrics等加密服務公司受到影響。"}]},{"type":"heading","attrs":{"align":null,"level":4},"content":[{"type":"text","text":"土耳其從4月30日起禁止使用加密貨幣支付"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"據市場消息,土耳其從4月30日起禁止使用加密貨幣支付。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}}]}
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