比特币到底是什么？
<p><span word="What">What</span> <span word="is">is</span> <span word="bitcoin">bitcoin</span>?</p><p>比特币是什么？</p><p><span word="Bitcoin">Bitcoin</span> <span word="is">is</span> <span word="a">a</span> <span word="kind">kind</span> <span word="of">of</span> <span word="digital">digital</span> <span word="currency">currency</span>.</p><p>比特币是一种数字货币。</p><p><span word="You">You</span> <span word="can">can</span> <span word="buy">buy</span> <span word="it">it</span> <span word="with">with</span> <span word="dollars">dollars</span> <span word="or">or</span> <span word="euros">euros</span>, <span word="just">just</span> <span word="like">like</span> <span word="you">you</span> <span word="can">can</span> <span word="trade">trade</span> <span word="any">any</span> <span word="other">other</span> <span word="currency">currency</span>.</p><p>你可以像兑换其他货币一样，用美元、欧元购买比特币。</p><p><span word="You">You</span> <span word="store">store</span> <span word="it">it</span> <span word="in">in</span> <span word="an">an</span> <span word="online">online</span> “<span word="wallet">wallet</span>.” <span word="And">And</span> <span word="with">with</span> <span word="that">that</span> <span word="wallet">wallet</span>, <span word="you">you</span> <span word="can">can</span> <span word="spend">spend</span> <span word="bitcoin">bitcoin</span> <span word="online">online</span> <span word="and">and</span> <span word="in">in</span> <span word="the">the</span> <span word="physical">physical</span> <span word="world">world</span> <span word="for">for</span> <span word="goods">goods</span> <span word="and">and</span> <span word="services">services</span>.</p><p>存入网上“钱包”，然后可以通过这个“钱包”用比特币在网上或现实世界购买物品或服务。</p>
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