Electronic contract signature method, device, electronic equipment and system

The invention provides an electronic contract signature method and device, electronic equipment and a system, and relates to the technical field of block chains. The method comprises the steps that an SIM card configured in terminal equipment serving as a block chain node determines a target contrac...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	DAI DANSHENG, QIU YANG, CHEN CHAO, WU WEIMIN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CALCULATING COMPUTING COUNTING DATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FORADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORYOR FORECASTING PURPOSES ELECTRIC COMMUNICATION TECHNIQUE ELECTRIC DIGITAL DATA PROCESSING ELECTRICITY PHYSICS SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE,COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTINGPURPOSES, NOT OTHERWISE PROVIDED FOR TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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