RECEIPT STORAGE METHOD AND NODE IN COMBINATION WITH USER TYPE AND TRANSACTION TYPE

WIPO Patent Application WO/2020/233619

A1

A receipt storage method and node in combination with a user type and a transaction type. The method can comprise: a first blockchain node receives an encrypted transaction (202); the first blockchain node decrypts the transaction in a trusted execution environment and executes obtained transaction content to obtain receipt data (204); the first blockchain node determines an exposed field in the receipt data according to the transaction type of the transaction (206); the first blockchain node stores the receipt data, when a transaction initiator belongs to a preset user type, the exposed field is stored in the form of a plaintext and the remaining receipt fields are stored in the form of a ciphertext, and when the transaction initiator does not belong to the preset user type, the receipt data is stored in the form of the ciphertext (208).

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LIU QI (CN)
YAN YING (CN)
WEI CHANGZHENG (CN)

PCT/CN2020/091389

November 26, 2020

May 20, 2020

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ADVANCED NEW TECHNOLOGIES CO LTD (CN)

G06Q20/38

CN110264193A	2019-09-20
CN106559211A	2017-04-05
CN107180350A	2017-09-19
CN109583898A	2019-04-05
CN109660358A	2019-04-19
US20190102850A1	2019-04-04

BEIJING BESTIPR INTELLECTUAL PROPERTY LAW CORPORATION (CN)

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