[0041]
以下描述將參考附圖以更全面地描述本發明內容。附圖中所示為本發明的示例性實施例。然而，本發明可以以許多不同的形式來實施，並且不應該被解釋為限於在此闡述的示例性實施例。 提供這些示例性實施例係為了使本發明透徹和完整，並且將本發明的範圍充分地傳達給本領域技術人員。類似的附圖標記表示相同或類似的組件。[0042]
本文使用的術語僅用於描述特定示例性實施例的目的，而不意圖限制本發明。如本文所使用的，除非上下文另外清楚地指出，否則單數形式“一”和“一個”旨在也包括複數形式。此外，當在本文中使用時，“包括”和/或“包含”或“包括”和/或“包括”或“具有”和/或“具有”，整數，步驟，操作，元件和/或元件，但不排除存在或添加一個或複數個其它特徵，區域，整數，步驟，操作，元件，元件和/或其群組。[0043]
除非另外定義，否則本文使用的所有術語（包括技術和科學術語）具有與本發明所屬領域的普通技術人員通常理解的相同的含義。 此外，除非文中明確定義，諸如在通用字典中定義的那些術語應該被解釋為具有與其在相關技術和本發明內容中的含義一致的含義，並且將不被解釋為理想化或過於正式的含義。[0044]
以下內容將結合附圖對示例性實施例進行描述。須注意的係，參考附圖中所描繪的元件不一定按比例顯示；而相同或類似的組件將被賦予相同或相似的附圖標記表示或類似的技術用語。[0045]
請同時參閱圖1和圖2所示，為本發明第一實施例提供的區塊鏈轉帳交易隱私保護方法的流程圖。所述區塊鏈轉帳交易隱私保護方法應用於區塊鏈管理節點設備中，具體包括以下步驟，根據不同的需求，該流程圖中步驟的順序可以改變，某些可以省略。[0046]
S11，區塊鏈管理節點設備接收收款方節點設備發送的轉帳請求，所述轉帳請求中攜帶有複數個收款帳號及收款總金額。[0047]
區塊鏈系統可以包括區塊鏈管理節點設備、收款方節點設備及撥款方節點設備。其中，所述區塊鏈管理節點設備用於作為中間媒介，將撥款方節點設備發送的轉帳總金額分拆為多筆轉帳金額，並透過複數個虛擬錢包將這多筆轉帳金額轉入收款方節點設備的複數個收款帳號中。所述複數個收款帳號為收款方的可用帳號，收款總金額為撥款方需向收款方轉入的金額總和。[0048]
收款方節點設備可以向區塊鏈管理節點設備發送轉帳請求，以請求獲得虛擬錢包位址與轉帳序號，從而使得撥款方節點設備根據所述虛擬錢包位址與轉帳序號進行轉帳。[0049]
S12，區塊鏈管理節點設備發送至少一個轉帳序號及所述至少一個轉帳序號對應的虛擬錢包位址至所述收款方節點設備。[0050]
所述收款方節點設備接收到所述至少一個轉帳序號及所述至少一個轉帳序號對應的虛擬錢包位址後，再將所述收款總金額、所述至少一個轉帳序號及所述至少一個轉帳序號對應的虛擬錢包位址發送至撥款方節點設備中。[0051]
S13，區塊鏈管理節點設備接收所述撥款方節點設備發送的轉帳總金額及所述至少一個轉帳序號。[0052]
S14，區塊鏈管理節點設備根據所述轉帳總金額及所述至少一個轉帳序號向所述收款方節點設備的每個收款帳號中轉入轉帳金額。[0053]
區塊鏈管理節點設備向所述收款方節點設備的每個收款帳號中轉入轉帳金額之和為轉帳總金額。[0054]
在一個可選的實施例中，區塊鏈管理節點設備在接收到所述收款方節點設備發送的所述轉帳請求之後，所述方法還可以包括：[0055]
區塊鏈管理節點設備回應於所述轉帳請求生成複數個轉帳序號及每個轉帳序號對應的虛擬錢包。[0056]
如圖2所示，收款方節點設備首先發送轉帳請求至區塊鏈管理節點設備，區塊鏈管理節點設備接收到轉帳請求後，調用智慧合約虛擬錢包產生器生成複數個虛擬錢包（例如，虛擬錢包1，虛擬錢包2，虛擬錢包3），並回傳至少一個轉帳序號及所述至少一個轉帳序號對應的虛擬錢包位址至所述收款方節點設備。[0057]
在一個可選的實施例中，所述區塊鏈管理節點設備回應於所述轉帳請求生成複數個轉帳序號及每個轉帳序號對應的虛擬錢包包括：[0058]
回應於所述轉帳請求隨機生成複數個轉帳序號；[0059]
調用智能合約虛擬錢包產生器生成複數個虛擬錢包；[0060]
為每個轉帳序號分配至少一個轉帳位址；[0061]
為每個轉帳位址指定轉帳金額及新的轉帳序號；[0062]
將轉帳序號、轉帳位址、轉帳金額及新的轉帳序號關聯儲存在轉帳記錄表中。[0063]
該可選的實施例中，所述轉帳位址可以為虛擬錢包位址，也可以為收款帳號。[0064]
一併結合圖3所示的轉帳記錄表一，區塊鏈管理節點設備回應於所述轉帳請求隨機生成了3個轉帳序號AAA、BBB及CCC，其中，轉帳序號AAA對應2個轉帳位址（虛擬錢包1和虛擬錢包2），轉帳序號BBB對應2個轉帳位址（收款帳號1和收款帳號2），轉帳序號CCC對應1個轉帳位址（收款帳號1）。為轉帳位址“虛擬錢包1”指定的轉帳金額為500及新的轉帳序號為BBB，為轉帳位址“虛擬錢包2”指定的轉帳金額為200及新的轉帳序號為CCC。[0065]
在一個可選的實施例中，所述接收所述撥款方節點設備發送的轉帳總金額及所述至少一個轉帳序號包括：[0066]
透過所述虛擬錢包位址對應的虛擬錢包接收所述轉帳總金額及所述至少一個轉帳序號。[0067]
在一個可選的實施例中，所述區塊鏈管理節點設備根據所述轉帳總金額及所述至少一個轉帳序號向所述收款方節點設備的每個收款帳號中轉入轉帳金額包括：[0068]
根據所述轉帳記錄表查詢與所述至少一個轉帳序號對應的新的轉帳序號；[0069]
確定所述新的轉帳序號對應的新的轉帳金額及新的轉帳位址；[0070]
判斷所述新的轉帳位址為虛擬錢包位址還係收款帳號；[0071]
當所述新的轉帳位址為所述複數個收款帳號中的一個收款帳號時，直接向所述收款帳號轉入所述新的轉帳金額；[0072]
當所述新的轉帳位址為虛擬錢包位址，向所述新的轉帳位址對應的虛擬錢包中轉入所述新的轉帳金額；查詢所述新的轉帳位址對應的下一個新的轉帳序號；根據所述下一個新的轉帳序號和轉入的所述新的轉帳金額執行轉帳操作直至最終向所述複數個收款帳號轉帳。[0073]
每個虛擬錢包接收到轉入的金額後向智能合約虛擬錢包產生器發送攜帶有轉帳序號的查詢請求至智能合約虛擬錢包產生器中，智能合約虛擬錢包產生器查詢轉帳記錄表，得到轉帳序號對應的下一個轉帳位址、轉帳金額及在下一個轉帳序號的查詢結果。智能合約虛擬錢包產生器將查詢結果回饋至所述虛擬錢包。接著由所述虛擬錢包執行下一個轉帳序號對應的轉帳操作。[0074]
本實施例中，由於收款方節點設備與撥款方節點設備在進行轉帳交易時，透過區塊鏈管理節點設備作為中間媒介將轉帳總金額分拆到複數個虛擬錢包中，並透過複數個虛擬錢包完成向收款方節點設備的轉帳操作，因而無法直觀的確定轉帳交易雙方的帳號位址，從而保護了轉帳交易雙方的隱私安全。[0075]
以下結合圖4和圖5來說明本實施例所述的區塊鏈轉帳交易隱私保護方法。[0076]
假設收款方節點設備向區塊鏈管理節點設備發送轉帳請求，所述轉帳請求中攜帶有收款帳戶1和收款帳戶2以及收款總金額1000，區塊鏈管理節點設備回應於所述轉帳請求，調用智慧合約虛擬錢包產生器生成5個虛擬錢包（虛擬錢包0，虛擬錢包1，虛擬錢包2，虛擬錢包3，虛擬錢包4），並隨機生成6個轉帳序號（T0，T1，T2，T3，T4，T5），各個轉帳序號與轉帳位址、轉帳金額及新的轉帳序號之間的關聯關係記錄在如圖4所示的轉帳記錄表二中。[0077]
第一步，區塊鏈管理節點設備發送轉帳序號T0及虛擬錢包0至所述收款方節點設備，收款方節點設備再將轉帳金額1000、轉帳序號T0及虛擬錢包0發送給撥款方節點設備。[0078]
第二步，撥款方節點設備向轉帳位址為虛擬錢包0對應的虛擬錢包中發送轉帳金額1000及轉帳序號T0。[0079]
第三步，轉帳位址為虛擬錢包0對應的虛擬錢包發送攜帶有轉帳序號T0的查詢請求至智能合約虛擬錢包產生器中，智能合約虛擬錢包產生器第一次查詢轉帳記錄表二，得到第一次查詢結果為：轉帳序號T0對應新的轉帳序號T1，轉帳序號T1對應兩個轉帳位址（虛擬錢包1，600，新的轉帳序號T2；虛擬錢包2，400，新的轉帳序號T3）。智能合約虛擬錢包產生器將第一次查詢結果回饋至轉帳位址為虛擬錢包0對應的虛擬錢包。接著由轉帳位址為虛擬錢包0對應的虛擬錢包執行轉帳序號T1對應的轉帳操作：向轉帳位址為虛擬錢包1對應的虛擬錢包中轉入600，向轉帳位址為虛擬錢包2對應的虛擬錢包中轉入400。[0080]
第四步，轉帳位址為虛擬錢包1對應的虛擬錢包發送攜帶有轉帳序號T2的查詢請求至智能合約虛擬錢包產生器中，智能合約虛擬錢包產生器第二次查詢轉帳記錄表二，得到第二次查詢結果為：轉帳序號T2對應兩個轉帳位址（虛擬錢包3，400，新的轉帳序號T4；收款帳戶1，200）。智能合約虛擬錢包產生器將第二次查詢結果回饋至轉帳位址為虛擬錢包1對應的虛擬錢包。接著由轉帳位址為虛擬錢包1對應的虛擬錢包執行轉帳序號T2對應的轉帳操作：向轉帳位址為虛擬錢包3對應的虛擬錢包中轉入400，向轉帳位址為收款帳戶1中轉入200。[0081]
第五步，轉帳位址為虛擬錢包2對應的虛擬錢包發送攜帶有轉帳序號T3的查詢請求至智能合約虛擬錢包產生器中，智能合約虛擬錢包產生器第三次查詢轉帳記錄表二，得到第三次查詢結果為：轉帳序號T3對應兩個轉帳位址（虛擬錢包4，300，新的轉帳序號T5；收款帳戶2，100）。智能合約虛擬錢包產生器將第三次查詢結果回饋至轉帳位址為虛擬錢包2對應的虛擬錢包。接著由轉帳位址為虛擬錢包2對應的虛擬錢包執行轉帳序號T3對應的轉帳操作：向轉帳位址為虛擬錢包4對應的虛擬錢包中轉入300，向轉帳位址為收款帳戶2中轉入100。[0082]
第六步，轉帳位址為虛擬錢包3對應的虛擬錢包發送攜帶有轉帳序號T4的查詢請求至智能合約虛擬錢包產生器中，智能合約虛擬錢包產生器第四次查詢轉帳記錄表二，得到第四次查詢結果為：轉帳序號T4對應兩個轉帳位址（收款帳戶1，100；收款帳戶2，300）。智能合約虛擬錢包產生器將第四次查詢結果回饋至轉帳位址為虛擬錢包3對應的虛擬錢包。接著由轉帳位址為虛擬錢包3對應的虛擬錢包執行轉帳序號T4對應的轉帳操作：向轉帳地址為收款帳戶1中轉入100，向轉帳地址為收款帳戶2中轉入300。[0083]
第七步，轉帳位址為虛擬錢包4對應的虛擬錢包發送攜帶有轉帳序號T5的查詢請求至智能合約虛擬錢包產生器中，智能合約虛擬錢包產生器第五次查詢轉帳記錄表二，得到第五次查詢結果為：轉帳序號T5對應兩個轉帳位址（收款帳戶1，100；收款帳戶2，200）。智能合約虛擬錢包產生器將第五次查詢結果回饋至轉帳位址為虛擬錢包4對應的虛擬錢包。接著由轉帳位址為虛擬錢包4對應的虛擬錢包執行轉帳序號T5對應的轉帳操作：向轉帳地址為收款帳戶1中轉入100，向轉帳地址為收款帳戶2中轉入200。[0084]
至此，收款帳戶1中共轉入金額400，收款帳戶2中共轉入金額600，合計1000。[0085]
上述實施例為一個收款方節點設備與一個撥款方節點設備之間的轉帳交易，對於複數個收款方節點設備與一個撥款方節點設備之間的轉帳交易，一個收款方節點設備與複數個撥款方節點設備之間的轉帳交易，複數個收款方節點設備與複數個撥款方節點設備之間的轉帳交易同樣適用。[0086]
具體實施時，將複數個收款方節點設備中的每一個收款方節點設備與複數個撥款方節點設備中的每一個撥款方節點設備進行關聯，然後按照單個收款方節點設備與單個撥款方節點設備之間的轉帳交易執行，直至完成所有的轉帳交易。如圖6所示，為一個收款方節點設備與兩個撥款方節點設備之間的轉帳交易的示意圖。其中，虛線代表撥款方節點設備1向收款方節點設備的收款帳戶1轉帳的資料流程，實線代表撥款方節點設備2向收款方節點設備的收款帳戶2轉帳的資料流程。撥款方節點設備1先向轉帳位址為虛擬錢包2對應的虛擬錢包轉入需要轉帳的總金額，再透過轉帳位址為虛擬錢包2對應的虛擬錢包向轉帳位址為虛擬錢包1對應的虛擬錢包轉入第一金額和向轉帳位址為虛擬錢包3對應的虛擬錢包轉入第二金額，最後由轉帳位址為虛擬錢包1對應的虛擬錢包轉入第一金額至收款帳戶1中，由轉帳位址為虛擬錢包3對應的虛擬錢包轉入第二金額至收款帳戶1中。撥款方節點設備2先向轉帳位址為虛擬錢包1對應的虛擬錢包轉入需要轉帳的總金額，再透過轉帳位址為虛擬錢包1對應的虛擬錢包向轉帳位址為虛擬錢包2對應的虛擬錢包轉入第三金額和向轉帳位址為虛擬錢包3對應的虛擬錢包轉入第四金額，最後由轉帳位址為虛擬錢包2對應的虛擬錢包轉入第三金額至收款帳戶2中，由轉帳位址為虛擬錢包3對應的虛擬錢包轉入第四金額至收款帳戶2中。[0087]
參閱圖7所示，為本發明第三實施例提供的區塊鏈轉帳交易隱私保護方法的流程圖。所述區塊鏈轉帳交易隱私保護方法應用於收款方節點設備中，具體包括以下步驟，根據不同的需求，該流程圖中步驟的順序可以改變，某些可以省略。[0088]
S71，收款方節點設備發送轉帳請求至區塊鏈管理節點設備中，所述轉帳請求中攜帶有複數個收款帳號及收款總金額。[0089]
S72，收款方節點設備接收所述區塊鏈管理節點設備回應於所述轉帳請求回饋回的至少一個轉帳序號及所述至少一個轉帳序號對應的虛擬錢包位址。[0090]
S73，收款方節點設備發送所述收款總金額、所述至少一個轉帳序號及所述至少一個轉帳序號對應的虛擬錢包位址至撥款方節點設備中。[0091]
撥款方節點設備接收到所述收款總金額、所述至少一個轉帳序號及所述至少一個轉帳序號對應的虛擬錢包位址，則向所述區塊鏈管理節點設備轉帳。[0092]
具體實施中，撥款方節點設備向所述區塊鏈管理節點設備中與所述至少一個虛擬錢包位址對應的虛擬錢包中發送轉帳總金額，所述轉帳總金額與所述收款總金額相等。[0093]
撥款方節點設備向所述區塊鏈管理節點設備轉帳時除了發送轉帳總金額，還發送所述至少一個轉帳序號，便於區塊鏈管理節點設備根據所述至少一個轉帳序號確定新的轉帳序號，從而執行新的轉帳序號對應的轉帳操作。[0094]
S74，收款方節點設備接收所述區塊鏈管理節點設備根據所述轉帳總金額及所述至少一個轉帳序號向每個收款帳號中轉入的轉帳金額。[0095]
本實施例中，由於收款方節點設備與撥款方節點設備在進行轉帳交易時，透過區塊鏈管理節點設備作為中間媒介將轉帳總金額分拆到複數個虛擬錢包中，並透過複數個虛擬錢包完成向收款方節點設備的轉帳操作，因而無法直觀的確定轉帳交易雙方的帳號位址，從而保護了轉帳交易雙方的隱私安全。[0096]
參閱圖8所示，為本發明第四實施例提供的區塊鏈轉帳交易隱私保護方法的流程圖。所述區塊鏈轉帳交易隱私保護方法應用於撥款方節點設備中，具體包括以下步驟，根據不同的需求，該流程圖中步驟的順序可以改變，某些可以省略。[0097]
S81，撥款方節點設備接收收款方節點設備發送的收款總金額、至少一個轉帳序號及所述至少一個轉帳序號對應的虛擬錢包位址。[0098]
S82，撥款方節點設備向區塊鏈管理節點設備中與所述至少一個虛擬錢包位址對應的虛擬錢包發送轉帳總金額及所述至少一個轉帳序號。[0099]
所述區塊鏈管理節點設備接收到撥款方節點設備發送的轉帳總金額及至少一個轉帳序號後，根據所述轉帳總金額及所述至少一個轉帳序號向所述收款方節點設備的每個收款帳號中轉入轉帳金額。每個收款帳號中轉入的轉帳金額總和為轉帳總金額。[00100]
所述區塊鏈管理節點設備向所述收款方節點設備的每個收款帳號中轉入轉帳金額的具體過程參見實施例一及其相關描述。[00101]
圖9係本發明實施例四提供的區塊鏈轉帳交易隱私保護裝置的功能模組圖。[00102]
區塊鏈轉帳交易隱私保護裝置90可以包括複數個由程式碼段所組成的功能模組。所述區塊鏈轉帳交易隱私保護裝置90中的各個程式段的程式碼可以儲存於區塊鏈管理節點設備的記憶體中，並由區塊鏈管理節點設備的至少一個處理器所執行，以執行區塊鏈轉帳交易隱私保護的功能。[00103]
本實施例中，所述區塊鏈轉帳交易隱私保護裝置90根據其所執行的功能，可以被劃分為複數個功能模組。所述功能模組可以包括：第一接收模組901、生成模組902、第一發送模組903、第二接收模組904及第一轉帳模組905。本發明所稱的模組係指一種能夠被至少一個處理器所執行並且能夠完成固定功能的一系列電腦程式段，其儲存在記憶體中。在本實施例中，關於各模組的功能將在後續的實施例中詳述。[00104]
所述第一接收模組901，用於接收收款方節點設備發送的轉帳請求，所述轉帳請求中攜帶有複數個收款帳號及收款總金額；[00105]
所述生成模組902，用於回應於所述轉帳請求生成複數個轉帳序號及每個轉帳序號對應的虛擬錢包。[00106]
所述第一發送模組903，用於發送至少一個轉帳序號及所述至少一個轉帳序號對應的虛擬錢包位址至所述收款方節點設備。[00107]
所述第二接收模組904，用於接收所述撥款方節點設備發送的轉帳總金額及所述至少一個轉帳序號；[00108]
所述第一轉帳模組905，用於根據所述轉帳總金額及所述至少一個轉帳序號向所述收款方節點設備的每個收款帳號中轉入轉帳金額。[00109]
關於所述第一接收模組901、生成模組902、第一發送模組903、第二接收模組904及第一轉帳模組905的具體功能請參閱圖1及其相關描述，本發明不再贅述。[00110]
圖10係本發明實施例五提供的區塊鏈轉帳交易隱私保護裝置的功能模組圖。[00111]
區塊鏈轉帳交易隱私保護裝置100可以包括複數個由程式碼段所組成的功能模組。所述區塊鏈轉帳交易隱私保護裝置100中的各個程式段的程式碼可以儲存於收款方節點設備的記憶體中，並由收款方節點設備的至少一個處理器所執行，以執行區塊鏈轉帳交易隱私保護的功能。[00112]
本實施例中，所述區塊鏈轉帳交易隱私保護裝置100根據其所執行的功能，可以被劃分為複數個功能模組。所述功能模組可以包括：第二發送模組1001、第三接收模組1002、第四發送模組1003及第四接收模組1004。本發明所稱的模組係指一種能夠被至少一個處理器所執行並且能夠完成固定功能的一系列電腦程式段，其儲存在記憶體中。在本實施例中，關於各模組的功能將在後續的實施例中詳述。[00113]
所述第二發送模組1001，用於發送轉帳請求至區塊鏈管理節點設備中，所述轉帳請求中攜帶有複數個收款帳號及收款總金額。[00114]
所述第三接收模組1002，用於接收所述區塊鏈管理節點設備回應於所述轉帳請求回饋回的至少一個轉帳序號及所述至少一個轉帳序號對應的虛擬錢包位址。[00115]
所述第四發送模組1003，用於發送所述收款總金額、所述至少一個轉帳序號及所述至少一個轉帳序號對應的虛擬錢包位址至撥款方節點設備中，使得所述撥款方節點設備向所述區塊鏈管理節點設備中與所述至少一個虛擬錢包位址對應的虛擬錢包中發送轉帳總金額及所述至少一個轉帳序號；[00116]
所述第四接收模組1004，用於接收所述區塊鏈管理節點設備根據所述轉帳總金額及所述至少一個轉帳序號向每個收款帳號中轉入的轉帳金額。[00117]
關於所述第二發送模組1001、第三接收模組1002、第四發送模組1003及第四接收模組1004的具體功能參見圖7及其相關描述，本發明不再贅述。[00118]
圖11係本發明實施例六提供的區塊鏈轉帳交易隱私保護裝置的功能模組圖。[00119]
區塊鏈轉帳交易隱私保護裝置110可以包括複數個由程式碼段所組成的功能模組。所述區塊鏈轉帳交易隱私保護裝置110中的各個程式段的程式碼可以儲存於撥款方節點設備的記憶體中，並由撥款方節點設備的至少一個處理器所執行，以執行區塊鏈轉帳交易隱私保護的功能。[00120]
本實施例中，所述區塊鏈轉帳交易隱私保護裝置110根據其所執行的功能，可以被劃分為複數個功能模組。所述功能模組可以包括：第五接收模組1101及第五發送模組1102。本發明所稱的模組係指一種能夠被至少一個處理器所執行並且能夠完成固定功能的一系列電腦程式段，其儲存在記憶體中。在本實施例中，關於各模組的功能將在後續的實施例中詳述。[00121]
所述第五接收模組1101，用於接收收款方節點設備發送的收款總金額、至少一個轉帳序號及所述至少一個轉帳序號對應的虛擬錢包位址。[00122]
所述第五發送模組1102，用於向區塊鏈管理節點設備中與所述至少一個虛擬錢包位址對應的虛擬錢包發送轉帳總金額及所述至少一個轉帳序號，使得所述區塊鏈管理節點設備根據所述轉帳總金額及所述至少一個轉帳序號向所述收款方節點設備的每個收款帳號中轉入轉帳金額。[00123]
關於第五接收模組1101及第五發送模組1102的具體功能參見圖8及其相關描述，本發明不再贅述。[00124]
圖12為本發明實施例七提供的區塊鏈節點設備的結構示意圖。[00125]
區塊鏈節點設備120可以包括記憶體1201、至少一個處理器1202、至少一條通信匯流排1203及收發器1204。[00126]
本領域技術人員應該瞭解，圖12示出的區塊鏈節點設備120的結構並不構成本發明實施例的限定，既可以係匯流排型結構，也可以係星形結構，所述區塊鏈節點設備120還可以包括比圖示更多或更少的其他硬體或者軟體，或者不同的部件佈置。[00127]
所述記憶體1201包括唯讀記憶體（Read-Only Memory，ROM）、可程式設計唯讀記憶體（Programmable Read-Only Memory，PROM）、可抹除可程式設計唯讀記憶體（Erasable Programmable Read-Only Memory，EPROM）、一次可程式設計唯讀記憶體（One-time Programmable Read-Only Memory，OTPROM）、電子抹除式可複寫唯讀記憶體（Electrically-Erasable Programmable Read-Only Memory，EEPROM）、唯讀光碟（Compact Disc Read-Only Memory，CD-ROM）或其他光碟記憶體、磁碟記憶體、磁帶記憶體、或者能夠用於攜帶或儲存資料的電腦可讀的任何其他介質。[00128]
在一些實施例中，所述至少一個處理器1202可以包括一個或者複數個中央處理器（Central Processing unit，CPU）、微處理器、數文書處理晶片、圖形處理器及各種控制晶片的組合等。[00129]
在一些實施例中，所述至少一條通信匯流排1203被設置為實現所述記憶體1201以及所述至少一個處理器1202等之間的連接通信。[00130]
所述記憶體1201中儲存有程式碼，所述程式碼為電腦可讀指令。所述至少一個處理器1202可調用所述記憶體1201中儲存的程式碼以執行相關的功能。例如，圖9/圖10/圖11中所述的各個模組係儲存在所述記憶體1201中的程式碼，並由所述至少一個處理器1202所執行，從而實現所述各個模組的功能以達到區塊鏈轉帳交易隱私保護的目的。[00131]
在本發明所提供的幾個實施例中，應該理解到，所揭露的裝置和方法，可以透過其它的方式實現。例如，以上所描述的裝置實施例僅僅係示意性的，例如，所述模組的劃分，僅僅為一種邏輯功能劃分，實際實現時可以有另外的劃分方式。[00132]
所述作為分離部件說明的模組可以係或者也可以不係物理上分開的，作為模組顯示的部件可以係或者也可以不係物理單元，即可以位於一個地方，或者也可以分佈到複數個網路單元上。可以根據實際的需要選擇其中的部分或者全部模組來實現本實施例方案的目的。[00133]
另外，在本發明各個實施例中的各功能模組可以集成在一個處理單元中，也可以係各個單元單獨物理存在，也可以兩個或兩個以上單元集成在一個單元中。上述集成的單元既可以採用硬體的形式實現，也可以採用硬體加軟體功能模組的形式實現。[00134]
對於本領域技術人員而言，顯然本發明不限於上述示範性實施例的細節，而且在不背離本發明的精神或基本特徵的情況下，能夠以其他的具體形式實現本發明。因此，無論從哪一點來看，均應將實施例看作係示範性的，而且係非限制性的，本發明的範圍由所附請求項而不係上述說明限定，因此旨在將落在請求項的等同要件的含義和範圍內的所有變化涵括在本發明內。不應將請求項中的任何附圖標記視為限制所涉及的請求項。此外，顯然“包括”一詞不排除其他單元或，單數不排除複數。裝置請求項中陳述的複數個單元或裝置也可以由一個單元或裝置透過軟體或者硬體來實現。第一，第二等詞語用來表示名稱，而並不表示任何特定的順序。[00135]
最後應說明的係，以上實施例僅用以說明本發明的技術方案而非限制，儘管參照較佳實施例對本發明進行了詳細說明，本領域的普通技術人員應當理解，可以對本發明的技術方案進行修改或等同替換，而不脫離本發明技術方案的精神和範圍。 [0041] The following description will refer to the accompanying drawings to more fully describe the present disclosure. Exemplary embodiments of the invention are shown in the drawings. However, the present invention may be embodied in many different forms and should not be construed as limited to the exemplary embodiments set forth herein. These exemplary embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the present invention to those skilled in the art. Like reference numbers refer to the same or similar components. [0042] The terminology used herein is for the purpose of describing particular exemplary embodiments only and is not intended to limit the invention. As used herein, the singular forms "a" and "an" are intended to include the plural forms as well, unless the context clearly dictates otherwise. Furthermore, when used herein, "include" and/or "include" or "include" and/or "include" or "have" and/or "have", integers, steps, operations, elements, and/or elements , but does not preclude the presence or addition of one or more other features, regions, integers, steps, operations, elements, elements and/or groups thereof. [0043] Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Also, unless clearly defined in context, terms such as those defined in general dictionaries should be construed as having meanings consistent with their meanings in the related art and this summary, and should not be construed as idealized or overly formal meanings. [0044] The exemplary embodiments will be described below with reference to the accompanying drawings. It should be noted that elements depicted in the reference figures are not necessarily shown to scale; and the same or similar components will be given the same or similar reference numerals or similar technical terms. [0045] Please refer to FIG. 1 and FIG. 2 at the same time, which are the flowcharts of the method for protecting the privacy of blockchain transfer transactions provided by the first embodiment of the present invention. The blockchain transfer transaction privacy protection method is applied to a blockchain management node device, and specifically includes the following steps. According to different requirements, the order of the steps in the flowchart can be changed, and some can be omitted. [0046] S11, the block chain management node device receives the transfer request sent by the payee node device, and the transfer request carries a plurality of collection account numbers and the total amount of payment. [0047] The blockchain system may include a blockchain management node device, a payee node device, and a funder node device. Wherein, the blockchain management node device is used as an intermediary to split the total transfer amount sent by the appropriator node device into multiple transfer amounts, and transfer the multiple transfer amounts to the collection through multiple virtual wallets In the multiple collection accounts of the party node device. The plurality of collection accounts are available accounts of the payee, and the total amount of the collection is the sum of the amount that the appropriator needs to transfer to the payee. [0048] The payee node device can send a transfer request to the block chain management node device to request to obtain a virtual wallet address and a transfer sequence number, so that the appropriator node device transfers money according to the virtual wallet address and the transfer sequence number. [0049] S12, the block chain management node device sends at least one transfer sequence number and the virtual wallet address corresponding to the at least one transfer sequence number to the payee node device. [0050] After the payee node device receives the at least one transfer serial number and the virtual wallet address corresponding to the at least one transfer serial number, it then converts the total amount of the payment, the at least one transfer serial number and all the The virtual wallet address corresponding to the at least one transfer sequence number is sent to the funder node device. [0051] S13, the block chain management node device receives the total transfer amount and the at least one transfer sequence number sent by the appropriator node device. [0052] S14, the block chain management node device transfers the transfer amount to each payment account of the payee node device according to the total transfer amount and the at least one transfer sequence number. [0053] The sum of the transfer amount transferred by the block chain management node device to each collection account of the payee node device is the total transfer amount. [0054] In an optional embodiment, after the block chain management node device receives the transfer request sent by the payee node device, the method may further include: [0055] Block chain management The node device generates a plurality of transfer sequence numbers and a virtual wallet corresponding to each transfer sequence number in response to the transfer request. [0056] As shown in Figure 2, the payee node device first sends a transfer request to the block chain management node device, and after the block chain management node device receives the transfer request, it calls the smart contract virtual wallet generator to generate a plurality of virtual wallets (For example, virtual wallet 1, virtual wallet 2, virtual wallet 3), and return at least one transfer sequence number and a virtual wallet address corresponding to the at least one transfer sequence number to the payee node device. [0057] In an optional embodiment, the block chain management node device generating a plurality of transfer sequence numbers and the virtual wallet corresponding to each transfer sequence number in response to the transfer request includes: [0058] In response to the transfer request Request to randomly generate a plurality of transfer serial numbers; [0059] Invoke a smart contract virtual wallet generator to generate a plurality of virtual wallets; [0060] Assign at least one transfer address to each transfer serial number; [0061] Specify a transfer for each transfer address Amount and the new transfer serial number; [0062] The transfer serial number, the transfer address, the transfer amount and the new transfer serial number are associated and stored in the transfer record table. [0063] In this optional embodiment, the transfer address may be a virtual wallet address or a collection account. [0064] FIG. 3 in conjunction to transfer a recording sheet, block chain management node device in response to the transfer request transfers the random number generated three AAA, the BBB and CCC, wherein the transfer sequence number corresponding to two transfer AAA Address (virtual wallet 1 and virtual wallet 2), transfer serial number BBB corresponds to 2 transfer addresses (receiver account 1 and recipient account 2), and transfer serial number CCC corresponds to 1 transfer address (receiver account 1). The transfer amount specified for the transfer address "Virtual Wallet 1" is 500 and the new transfer sequence number is BBB, and the transfer amount specified for the transfer address "Virtual Wallet 2" is 200 and the new transfer sequence number is CCC. [0065] In an optional embodiment, the receiving the total transfer amount and the at least one transfer sequence number sent by the funder node device includes: [0066] Receiving through the virtual wallet corresponding to the virtual wallet address The total amount of the transfer and the at least one transfer sequence number. [0067] In an alternative embodiment, the block chains to each management node device into the payee account receivable node apparatus according to the transfer amount and the total number of said at least one transfer The transfer amount includes: [0068] Querying a new transfer serial number corresponding to the at least one transfer serial number according to the transfer record table; [0069] Determining a new transfer amount and a new transfer address corresponding to the new transfer serial number [0070] It is judged that the new transfer address is a virtual wallet address and is also a collection account; [0071] When the new transfer address is a collection account in the plurality of collection accounts, Directly transfer the new transfer amount to the collection account; [0072] When the new transfer address is a virtual wallet address, transfer the new transfer amount to the virtual wallet corresponding to the new transfer address the new transfer amount; query the next new transfer sequence number corresponding to the new transfer address; perform the transfer operation according to the next new transfer sequence number and the transferred new transfer amount until finally to the complex number transfer to a receiving account. After each virtual wallet receives the transferred amount, it sends a query request carrying the transfer serial number to the smart contract virtual wallet generator, and the smart contract virtual wallet generator queries the transfer record table to obtain The next transfer address corresponding to the transfer sequence number, the transfer amount, and the query result of the next transfer sequence number. The smart contract virtual wallet generator returns the query result to the virtual wallet. Then, the transfer operation corresponding to the next transfer sequence number is performed by the virtual wallet. In this embodiment, when the payee node device and the appropriator node device perform a transfer transaction, the total amount of the transfer is divided into a plurality of virtual wallets through the block chain management node device as an intermediate medium, and through Multiple virtual wallets complete the transfer operation to the payee's node device, so it is impossible to intuitively determine the account addresses of both parties to the transfer transaction, thereby protecting the privacy and security of both parties to the transfer transaction. [0075] The following describes the blockchain transfer transaction privacy protection method described in this embodiment with reference to FIG. 4 and FIG. 5 . [0076] Suppose recipient node device sends a request to the block chain transfer management node device, the transfer request carries an account receivable and the accounts receivable and the accounts receivable of the total amount of 2 1000, the management node device responds to the block chains Based on the transfer request, call the smart contract virtual wallet generator to generate 5 virtual wallets (virtual wallet 0, virtual wallet 1, virtual wallet 2, virtual wallet 3, virtual wallet 4), and randomly generate 6 transfer serial numbers (T0, T1, T2, T3, T4, T5), the relationship between each transfer serial number and the transfer address, the transfer amount and the new transfer serial number is recorded in the transfer record table 2 shown in FIG. 4 . In the first step, the block chain management node device sends the transfer serial number T0 and the virtual wallet 0 to the payee node device, and the payee node device sends the transfer amount 1000, the transfer serial number T0 and the virtual wallet 0 to the payee node device. Granter node device. [0078] In the second step, the appropriator node device sends the transfer amount 1000 and the transfer sequence number T0 to the virtual wallet corresponding to the virtual wallet 0 with the transfer address. The 3rd step, transfer address is virtual wallet corresponding to virtual wallet 0 to send the query request carrying transfer sequence number T0 to the smart contract virtual wallet generator, and the smart contract virtual wallet generator queries transfer record table two for the first time , the result of the first query is: the transfer serial number T0 corresponds to the new transfer serial number T1, and the transfer serial number T1 corresponds to two transfer addresses (virtual wallet 1, 600, new transfer serial number T2; virtual wallet 2, 400, new transfer address serial number T3). The smart contract virtual wallet generator returns the first query result to the virtual wallet whose transfer address is virtual wallet 0. Then, the transfer operation corresponding to the transfer sequence number T1 is performed by the virtual wallet whose transfer address is virtual wallet 0: transfer 600 to the virtual wallet whose transfer address is virtual wallet 1, and transfer 600 to the virtual wallet whose transfer address is virtual wallet 2. Transfer 400 into the wallet. In the 4th step, the virtual wallet corresponding to virtual wallet 1 sends a query request carrying the transfer sequence number T2 to the smart contract virtual wallet generator, and the smart contract virtual wallet generator queries the transfer record table two for the second time. , the result of the second query is: the transfer serial number T2 corresponds to two transfer addresses (virtual wallet 3,400, new transfer serial number T4; collection account 1,200). The smart contract virtual wallet generator returns the second query result to the virtual wallet whose transfer address is virtual wallet 1. Then, the transfer operation corresponding to the transfer serial number T2 is performed by the virtual wallet whose transfer address is virtual wallet 1: transfer 400 to the virtual wallet whose transfer address is virtual wallet 3, and transfer 400 to the virtual wallet whose transfer address is collection account 1 Enter 200. The 5th step, transfer address is that virtual wallet corresponding to virtual wallet 2 sends the query request carrying transfer sequence number T3 to the smart contract virtual wallet generator, and the smart contract virtual wallet generator queries transfer record table two for the third time , the result of the third query is: the transfer serial number T3 corresponds to two transfer addresses (virtual wallet 4,300, new transfer serial number T5; collection account 2,100). The smart contract virtual wallet generator returns the third query result to the virtual wallet whose transfer address is virtual wallet 2. Then, the transfer operation corresponding to the transfer sequence number T3 is performed by the virtual wallet whose transfer address is virtual wallet 2: transfer 300 to the virtual wallet whose transfer address is virtual wallet 4, and transfer 300 to the virtual wallet whose transfer address is collection account 2 Enter 100. The 6th step, the virtual wallet corresponding to virtual wallet 3 sends the query request carrying the transfer sequence number T4 to the smart contract virtual wallet generator, and the smart contract virtual wallet generator queries the transfer record table two for the fourth time , the result of the fourth query is: the transfer serial number T4 corresponds to two transfer addresses (account 1, 100 for collection; account 2, 300 for collection). The smart contract virtual wallet generator returns the fourth query result to the virtual wallet whose transfer address is virtual wallet 3. Then, the virtual wallet whose transfer address is virtual wallet 3 performs the transfer operation corresponding to the transfer sequence number T4: transfer 100 to the transfer address of collection account 1, and transfer 300 to the transfer address of collection account 2. In the 7th step, the virtual wallet corresponding to virtual wallet 4 sends the query request carrying the transfer sequence number T5 to the smart contract virtual wallet generator, and the smart contract virtual wallet generator queries the transfer record table two for the fifth time. , the result of the fifth query is: the transfer serial number T5 corresponds to two transfer addresses (account 1, 100 for collection; account 2, 200 for collection). The smart contract virtual wallet generator returns the fifth query result to the virtual wallet whose transfer address is virtual wallet 4 . Then, the transfer operation corresponding to the transfer sequence number T5 is performed by the virtual wallet whose transfer address is virtual wallet 4: 100 is transferred to the transfer address of collection account 1, and 200 is transferred to the transfer address of collection account 2. [0084] Up to this point, the total amount transferred into the collection account 1 is 400, and the total amount transferred into the collection account 2 is 600, totaling 1000. [0085] The above embodiment is a transfer transaction between a payee node device and a payee node device. For a transfer transaction between a plurality of payee node devices and a payee node device, a payee node The transfer transaction between a device and a plurality of appropriator node devices, and a transfer transaction between a plurality of payee node devices and a plurality of appropriator node devices are also applicable. During specific implementation, associate each payee node device in the plurality of payee node devices with each funder node device in the plurality of payee node devices, and then associate each payee node device according to a single payee node device. Transfer transactions to and from a single appropriator node device are performed until all transfer transactions are completed. As shown in FIG. 6 , it is a schematic diagram of a transfer transaction between one payee node device and two funder node devices. The dashed line represents the data flow of the fund transfer from the funder node device 1 to the payment account 1 of the payee node device, and the solid line represents the data flow of the fund transfer from the funder node device 2 to the payee node device's collection account 2. The appropriator node device 1 first transfers the total amount to be transferred to the virtual wallet whose transfer address is virtual wallet 2, and then transfers to the virtual wallet corresponding to virtual wallet 1 through the virtual wallet whose transfer address is virtual wallet 2. The wallet transfers the first amount and transfers the second amount to the virtual wallet corresponding to the virtual wallet 3 with the transfer address, and finally transfers the first amount to the collection account 1 from the virtual wallet corresponding to the virtual wallet 1 with the transfer address. The second amount is transferred to the receiving account 1 from the virtual wallet whose transfer address is the virtual wallet corresponding to the virtual wallet 3 . The appropriator node device 2 first transfers the total amount to be transferred to the virtual wallet whose transfer address is virtual wallet 1, and then transfers the total amount to the virtual wallet corresponding to virtual wallet 2 through the virtual wallet whose transfer address is virtual wallet 1. The wallet transfers the third amount and transfers the fourth amount to the virtual wallet corresponding to the virtual wallet 3 with the transfer address, and finally transfers the third amount to the collection account 2 from the virtual wallet corresponding to the virtual wallet 2 with the transfer address. The fourth amount is transferred to the collection account 2 from the virtual wallet whose transfer address is the virtual wallet corresponding to the virtual wallet 3 . [0087] Referring to FIG. 7, it is a flowchart of a method for protecting the privacy of blockchain transfer transactions provided by the third embodiment of the present invention. The blockchain transfer transaction privacy protection method is applied to the payee node device, and specifically includes the following steps. According to different requirements, the order of the steps in the flowchart can be changed, and some can be omitted. [0088] S71, the payee node device sends a transfer request to the block chain management node device, and the transfer request carries a plurality of payment account numbers and the total amount of payment. [0089] S72, the payee node device receives at least one transfer sequence number and the virtual wallet address corresponding to the at least one transfer sequence number returned by the blockchain management node device in response to the transfer request. [0090] S73, the payee node device sends the total payment amount, the at least one transfer sequence number, and the virtual wallet address corresponding to the at least one transfer sequence number to the appropriator node device. [0091] The appropriator node device receives the total payment amount, the at least one transfer sequence number, and the virtual wallet address corresponding to the at least one transfer sequence number, and then transfers money to the blockchain management node device. In the specific implementation, the appropriator node device sends the total amount of transfer to the virtual wallet corresponding to the at least one virtual wallet address in the block chain management node device, and the total amount of transfer is the same as the collection. The total amount is equal. When the appropriator node device transfers funds to the block chain management node equipment, in addition to sending the total amount of the transfer, it also sends the at least one transfer sequence number, so that the block chain management node device can determine a new transfer sequence number according to the at least one transfer sequence number. Transfer sequence number, so as to execute the transfer operation corresponding to the new transfer sequence number. [0094] S74, the payee node device receives the transfer amount transferred from the block chain management node device to each payment account according to the total transfer amount and the at least one transfer sequence number. In this embodiment, when the payee node device and the appropriator node device perform the transfer transaction, the total amount of the transfer is divided into a plurality of virtual wallets through the block chain management node device as an intermediate medium, and the Multiple virtual wallets complete the transfer operation to the payee's node device, so it is impossible to intuitively determine the account addresses of both parties to the transfer transaction, thereby protecting the privacy and security of both parties to the transfer transaction. [0096] Referring to FIG. 8, it is a flowchart of a method for protecting the privacy of blockchain transfer transactions provided by the fourth embodiment of the present invention. The blockchain transfer transaction privacy protection method is applied to the funder node equipment, and specifically includes the following steps. According to different requirements, the order of the steps in the flowchart can be changed, and some can be omitted. [0097] S81, the appropriator node device receives the total payment amount, at least one transfer sequence number and the virtual wallet address corresponding to the at least one transfer sequence number sent by the payee node device. [0098] S82, the appropriator node device sends the total transfer amount and the at least one transfer sequence number to the virtual wallet corresponding to the at least one virtual wallet address in the blockchain management node device. [0099] After receiving the total transfer amount and at least one transfer sequence number sent by the appropriator node device, the block chain management node device sends the payment to the payee node device according to the total transfer amount and the at least one transfer sequence number. The incoming transfer amount is transferred to each receiving account of . The sum of the transfer amount transferred in each collection account is the total transfer amount. [00100] For the specific process of transferring the transfer amount from the block chain management node device to each collection account of the payee node device, refer to Embodiment 1 and its related description. [00101] FIG. 9 is a functional module diagram of the block chain transfer transaction privacy protection device provided by the fourth embodiment of the present invention. [00102] The block chain transfer transaction privacy protection device 90 may include a plurality of functional modules composed of program code segments. The code of each program segment in the blockchain transfer transaction privacy protection device 90 can be stored in the memory of the blockchain management node device and executed by at least one processor of the blockchain management node device to Execute the function of blockchain transfer transaction privacy protection. [00103] In this embodiment, the blockchain transfer transaction privacy protection device 90 can be divided into a plurality of functional modules according to the functions it performs. The functional modules may include: a first receiving module 901 , a generating module 902 , a first sending module 903 , a second receiving module 904 and a first transfer module 905 . The module referred to in the present invention refers to a series of computer program segments that can be executed by at least one processor and can perform fixed functions, and are stored in a memory. In this embodiment, the functions of each module will be described in detail in subsequent embodiments. [00104] The first receiving module 901 is used to receive a transfer request sent by the payee node device, and the transfer request carries a plurality of payment account numbers and the total amount of payment; [00105] The generation module A group 902 is used to generate a plurality of transfer sequence numbers and a virtual wallet corresponding to each transfer sequence number in response to the transfer request. [00106] The first sending module 903 is configured to send at least one transfer sequence number and a virtual wallet address corresponding to the at least one transfer sequence number to the payee node device. [00107] The second receiving module 904 is used to receive the total transfer amount and the at least one transfer sequence number sent by the appropriator node device; [00108] The first transfer module 905 is used to The total transfer amount and the at least one transfer sequence number are transferred into each payment account of the payee node device. [00109] with respect to the first receiving module 901, module 902 generates the first transmission module 903, a first and a second receiving module 904 transfers the specific function module 905, see FIG. 1 and associated description, The present invention will not be repeated here. [00110] FIG. 10 is a functional module diagram of the block chain transfer transaction privacy protection device provided by the fifth embodiment of the present invention. [00111] The blockchain transfer transaction privacy protection device 100 may include a plurality of functional modules composed of program code segments. The code of each program segment in the blockchain transfer transaction privacy protection device 100 can be stored in the memory of the payee node device and executed by at least one processor of the payee node device to execute the region. The function of blockchain transfer transaction privacy protection. [00112] In this embodiment, the blockchain transfer transaction privacy protection device 100 can be divided into a plurality of functional modules according to the functions it performs. The functional modules may include: a second sending module 1001 , a third receiving module 1002 , a fourth sending module 1003 and a fourth receiving module 1004 . The module referred to in the present invention refers to a series of computer program segments that can be executed by at least one processor and can perform fixed functions, and are stored in a memory. In this embodiment, the functions of each module will be described in detail in subsequent embodiments. [00113] The second sending module 1001 is used to send a transfer request to the block chain management node device, and the transfer request carries a plurality of payment account numbers and the total amount of payment. [00114] The third receiving module 1002 is configured to receive at least one transfer sequence number and a virtual wallet address corresponding to the at least one transfer sequence number returned by the blockchain management node device in response to the transfer request. [00115] The fourth sending module 1003 is used to send the total payment amount, the at least one transfer sequence number and the virtual wallet address corresponding to the at least one transfer sequence number to the appropriator node equipment, so that all The appropriator node device sends the total transfer amount and the at least one transfer sequence number to the virtual wallet corresponding to the at least one virtual wallet address in the blockchain management node device; [00116] The fourth receiving mode A group 1004 is configured to receive the transfer amount transferred from the blockchain management node device to each collection account according to the total transfer amount and the at least one transfer sequence number. [00117] With regard to the specific functions of the second sending module 1001, the third receiving module 1002, the fourth sending module 1003 and the fourth receiving module 1004, refer to FIG. 7 and its related descriptions, which will not be repeated in the present invention. [00118] FIG. 11 is a functional module diagram of the block chain transfer transaction privacy protection device provided by the sixth embodiment of the present invention. [00119] The block chain transfer transaction privacy protection device 110 may include a plurality of functional modules composed of program code segments. The code of each program segment in the blockchain transfer transaction privacy protection device 110 can be stored in the memory of the donor node device and executed by at least one processor of the donor node device to execute the blockchain Transfer transaction privacy protection function. [00120] In this embodiment, the blockchain transfer transaction privacy protection device 110 can be divided into a plurality of functional modules according to the functions it performs. The functional modules may include: a fifth receiving module 1101 and a fifth sending module 1102 . The module referred to in the present invention refers to a series of computer program segments that can be executed by at least one processor and can perform fixed functions, and are stored in a memory. In this embodiment, the functions of each module will be described in detail in subsequent embodiments. [00121] The fifth receiving module 1101 is used to receive the total amount of payment sent by the payee node device, at least one transfer sequence number and the virtual wallet address corresponding to the at least one transfer sequence number. The fifth sending module 1102 is used to send the total transfer amount and the at least one transfer sequence number to the virtual wallet corresponding to the at least one virtual wallet address in the block chain management node device, so that the The blockchain management node device transfers the transfer amount to each payment account of the payee node device according to the total transfer amount and the at least one transfer sequence number. [00123] For the specific functions of the fifth receiving module 1101 and the fifth sending module 1102, please refer to FIG. 8 and its related descriptions, which will not be repeated in the present invention. [00124] FIG. 12 is a schematic structural diagram of a blockchain node device provided in Embodiment 7 of the present invention. [00125] The blockchain node device 120 may include a memory 1201, at least one processor 1202, at least one communication bus 1203, and a transceiver 1204. [00126] Those skilled in the art should understand that the structure of the block chain node device 120 shown in FIG. 12 does not constitute a limitation of the embodiment of the present invention. The blockchain node device 120 may also include more or less other hardware or software than shown, or a different arrangement of components. Described memory 1201 comprises read-only memory (Read-Only Memory, ROM), programmable read-only memory (Programmable Read-Only Memory, PROM), erasable programmable read-only memory ( Erasable Programmable Read-Only Memory, EPROM), One-time Programmable Read-Only Memory (OTPROM), Electronically-Erasable Programmable Read-Only Memory (Electrically-Erasable Programmable Read-Only Memory) , EEPROM), Compact Disc Read-Only Memory (CD-ROM), or other optical disk memory, magnetic disk memory, tape memory, or any other medium readable by a computer that can be used to carry or store data . [00128] In some embodiments, the at least one processor 1202 may include one or more central processing units (Central Processing Units, CPUs), microprocessors, digital word processing chips, graphics processors, and various control chips. combination, etc. [00129] In some embodiments, the at least one communication bus 1203 is configured to implement connection communication between the memory 1201 and the at least one processor 1202 and the like. [00130] A program code is stored in the memory 1201, and the program code is a computer-readable instruction. The at least one processor 1202 can call the program codes stored in the memory 1201 to execute related functions. For example, each of the modules described in FIG. 9/FIG. 10/FIG. 11 is a program code stored in the memory 1201 and executed by the at least one processor 1202, thereby realizing the Function to achieve the purpose of privacy protection of blockchain transfer transactions. [00131] In the several embodiments provided by the present invention, it should be understood that the disclosed apparatus and method may be implemented in other manners. For example, the device embodiments described above are only illustrative. For example, the division of the modules is only a logical function division, and other division methods may be used in actual implementation. The described module described as a separate part description can be or can not be physically separated, and the part displayed as a module can be or can not be a physical unit, that is, it can be located in one place, or it can be distributed to multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution in this embodiment. [00133] In addition, each functional module in each embodiment of the present invention may be integrated in one processing unit, or each unit may exist physically alone, or two or more units may be integrated in one unit. The above-mentioned integrated units can be implemented in the form of hardware, or can be implemented in the form of hardware plus software function modules. [00134] It will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, but that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments are to be regarded in all respects as illustrative and not restrictive, the scope of the present invention being defined by the appended claims rather than the foregoing description, and are therefore intended to fall within All changes within the meaning and scope of the equivalents of the claims are encompassed within the invention. Any reference sign in a claim shall not be construed as limiting the claim to which it relates. Furthermore, it is clear that the word "comprising" does not exclude other units or, and the singular does not exclude the plural. A plurality of units or devices stated in the device claim may also be implemented by one unit or device through software or hardware. The terms first, second, etc. are used to denote names and do not denote any particular order. Department [00135] Finally, it should be noted that the foregoing embodiments are intended to illustrate and not limit the present invention, although the present invention has been described in detail with reference to preferred embodiments, those of ordinary skill in the art should be understood that the present invention The technical solutions of the present invention can be modified or equivalently replaced without departing from the spirit and scope of the technical solutions of the present invention.
