According to Shun Kai's inquiry. Com, Judexuan Collection Network is a professional online collection trading platform, which provides display, appraisal, evaluation, auction and trading services for all kinds of antiques, calligraphy and painting, stamps and coins. It belongs to Chongqing Judexuan Auction Co., Ltd. Online signing of Judexuan Collection refers to signing an electronic contract with the buyers and sellers of the collection through the online contract system of Judexuan Collection Network, stipulating the terms and details of the transaction. The online contract signing of Ju Dexuan Collection has certain security and legal effect, because Ju Dexuan Collection Network is a formal company registered and filed by the industrial and commercial departments, and its online contract system also meets the relevant national legal standards, with functions such as electronic signature, time stamp and data encryption, which can effectively prevent the contract from being tampered with or leaked. At the same time, Judexuan Collection Network also provides some risk control and dispute resolution services, such as third-party custody, secured transactions, arbitration and mediation.