The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 30, 2024
Filed:
Apr. 04, 2019
Nippon Telegraph and Telephone Corporation, Tokyo, JP;
Hiroki Watanabe, Tokyo, JP;
Shigenori Ohashi, Tokyo, JP;
Shigeru Fujimura, Tokyo, JP;
Atsushi Nakadaira, Tokyo, JP;
Nippon Telegraph and Telephone Corporation, Tokyo, JP;
Abstract
The present invention prevents falsification of ABI information and makes it possible for the users to safely read data on a blockchain. A registration terminalincludes an extraction unitthat extracts from a smart contract, ABI information used to access the smart contract and a transaction issuing unitthat issues a transaction including bytecode generated by compiling the smart contract and the ABI information, and an approval terminalincludes a verification unitthat verifies whether it is possible to access the bytecode included in the transaction by using the ABI information included in the transaction and a block generation unitthat, if it is possible to access the bytecode, generates a block including the transaction and makes the block and the ABI information reflected on a distributed ledgerof each terminal in the blockchain system.