pretty much the same basic architecture as the many ATMs that followed. It's
Wikipedia calls it DTD-1 for some reason, but IBM sources consistently，更多细节参见快连下载-Letsvpn下载
，更多细节参见51吃瓜
Android 16 with One UI 8.5，更多细节参见服务器推荐
Each block in the chain has an exact timestamp and can't be changed.