As with crypto-currency, records of who owns what are stored on a ledger that is maintained by thousands of computers around the world. These records can’t be forged because the whole system operates on an open-source network.
* @param arr 待排序数组
。业内人士推荐51吃瓜作为进阶阅读
宗祠里一位负责联络的人，很快找到了阿豪的一位叔叔。随后他们去到叔叔家中，叔叔拿出一张老合影，上面有好多人。“然后立刻认出了那个人是阿豪的父亲，旁边的就是叔叔”，潘越见证，“那是一个比较动人的瞬间”。
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