METHOD AND SYSTEM FOR VERIFICATION OF DELETED DATA FOR BLOCKCHAINS

A blockchain processing method and system for verification of deleted data for blockchains. An item of data is deleted from a block of a blockchain by: identifying the block of the blockchain storing the item of data; deleting the item of data from the identified block without deleting a hash value...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Maeda, Kumiko, Ohtani, Munetaka, Oishi, Yutaka, Yasumoto, Chikafumi, Zhu, Jiayun
Format:	Patent
Sprache:	eng
Schlagworte:	ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
Online-Zugang:	Volltext bestellen
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Beschreibung
Zusammenfassung:	A blockchain processing method and system for verification of deleted data for blockchains. An item of data is deleted from a block of a blockchain by: identifying the block of the blockchain storing the item of data; deleting the item of data from the identified block without deleting a hash value associated with the deleted item of data from the identified block; and adding metadata to a new block of the blockchain identifying the deleted item of data. The metadata includes a block identifier (ID) of the identified block as a location of the deleted item of data as well as the hash value associated with the deleted item of data. The block ID may comprise a root hash in a block header of the identified block, a universally unique identifier (UUID) allocated to the identified block, or an offset from the new block to the identified block.