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Patent Searching and Data


Title:
METHODS AND DEVICES FOR PREVENTING DENIAL-OF-SERVICE ATTACK ON BLOCKCHAIN SYSTEM
Document Type and Number:
WIPO Patent Application WO/2021/088451
Kind Code:
A1
Abstract:
Disclosed herein are methods, devices, and apparatuses, including computer programs stored on computer-readable media, for preventing denial-of-service attacks on a blockchain system. One of the methods includes: retrieving a decryption key DK from a k-th block of a blockchain; determining whether an encrypted transaction to be included in a block subsequent to the k-th block is valid based on the decryption key DK; and in response to a determination that the encrypted transaction to be included in the block subsequent to the k-th block is invalid, rejecting the encrypted transaction.

Inventors:
YUAN YUAN (CN)
CAO SHENGJIAO (CN)
FANG HUI (CN)
YANG WEITAO (CN)
Application Number:
PCT/CN2020/109546
Publication Date:
May 14, 2021
Filing Date:
August 17, 2020
Export Citation:
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Assignee:
ALIPAY LABS SINGAPORE PTE LTD (CN)
International Classes:
G06Q20/38
Foreign References:
CN108876377A2018-11-23
CN110113328A2019-08-09
US20170236120A12017-08-17
US20100037056A12010-02-11
Attorney, Agent or Firm:
BEIJING BESTIPR INTELLECTUAL PROPERTY LAW CORPORATION (CN)
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