CROSS-CHAIN TRANSACTION METHOD AND DEVICE

WIPO Patent Application WO/2021/109809

A1

A cross-chain transaction method and device, applicable to cross-chain transactions between transaction accounts of different groups. In each group, an HTLC corresponding to the group is deployed. The method comprises: a first group receives a first asset retrieval transaction sent by a first client, the first asset retrieval transaction comprising a first signature, a second signature, and information of a first transaction contract; the first group releases the first asset from a first HTLC after verifying that a first account corresponding to the first signature and a second account corresponding to the second signature are consistent with a third account and a fourth account in the first transaction contract. The method is used for solving the problem that once a transaction party locks an asset into an HTLC of its own group, the asset can only be retrieved after the locking time period of the HTLC, thereby improving the cross-chain transaction efficiency.

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HE SHUOYAN (CN)
ZHOU LU (CN)
LIU MINGZHEN (CN)
ZHANG KAIXIANG (CN)
FAN RUIBIN (CN)
LI NING (CN)

PCT/CN2020/127875

June 10, 2021

November 10, 2020

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WEBANK CO LTD (CN)

G06Q20/38; G06Q40/04

CN111161062A	2020-05-15
CN109409877A	2019-03-01
CN107784569A	2018-03-09
US20190370792A1	2019-12-05

TDIP & PARTNERS (CN)

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