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    • 1994-03-01 Warren Buffett.Dexter Shoe

      Refer To:《1994-03-01 Warren Buffett's Letters to Berkshire Shareholders》。 Dexter Shoe What we did last year was build on our 1991 purchase of H. H. Brown, a superbly-run manufacturer of work shoes, boots and other footwear. Brown has been a real ...
    • 2008-10-31 Bitcoin: A Peer-to-Peer Electronic Cash System

      Refer To:《Bitcoin: A Peer-to-Peer Electronic Cash System》。 Abstract. A purely peer-to-peer version of electronic cash would allow online payments to be sent directly from one party to another without going through a financial institution. Digital ...
    • I.C.S.21.006.Account.Bitcoin

      加密货币已经是整个金融系统的重要组成部分。 1、加密算法 加密技术是Bitcoin能够成立的基础,分私钥/公钥,从私钥算公钥很容易,从公钥反推私钥在计算上不可行。Bitcoin利用密钥巨大的数据集代替账号,随机生成几十亿个账号也不可能有重复的可能性,全世界所有人可以共享同一个账本。 以自托管钱包为例,钱包在本地生成一个随机数私钥 k(256-bit),再由私钥推导出 公钥 K = k·G(椭圆曲线运算),再由公钥派生出 地址(address,不同链规则不同:BTC 是 ...
    • 1996-03-01 Warren Buffett.Helzberg

      Refer To:《1996-03-01 Warren Buffett's Letters to Berkshire Shareholders》。 Helzberg's Diamond Shops Helzberg 钻石连锁店 A few years back, management consultants popularized a technique called "management by walking around" (MBWA). At Berkshire, we've ...
    • 2010-05-26 Warren Buffett.Investment, Speculation, Gambling

      Refer To:《2010-05-26 Warren Buffett.Investment, Speculation, Gambling》。 WARREN BUFFETT: It’s a question of being, it’s the ability to inject enormous amounts of leverage into a system where leverage is dangerous. And without people fully appreciating ...