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                **區塊頭** ![](https://img.kancloud.cn/d6/49/d64905d1351f3fc23ede6baf7926f1a9_219x414.png) 1.版本號,標示軟件及協議的相關版本信息 2.父區塊哈希值,引用的區塊鏈中父區塊頭的哈希值,通過這個值每個區塊才首尾相連組成了區塊鏈,并且這個值對區塊鏈的安全性起到了至關重要的作用 3.Merkle 根,這個值是由區塊主體中所有交易的哈希值再逐級兩兩哈希計算出來的一個數值,主要用于檢驗一筆交易是否在這個區塊中存在 4.時間戳,記錄該區塊產生的時間,精確到秒 5.難度值,該區塊相關數學題的難度目標 6.隨機數(Nonce),記錄解密該區塊相關數學題的答案的值
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