Blockchain guarantees your data's authenticity—not just its accuracy, but also its irreversibility. It can also be used to store data that are difficult to register, like legal contracts, state identifications, or a company's product inventory.
（新华社北京2月25日电 记者朱基钗、胡浩、丁小溪、高蕾、胡梦雪）
。关于这个话题，服务器推荐提供了深入分析
p = p.next; // 指针后移，易错点2：忘记移动指针会导致死循环，详情可参考Line官方版本下载
have to manipulate manually via a global "break" pointer)