US 2020/0028688 A1Published application

Off-chain blockchain storage with validation

AssigneeHitachi, Ltd.

InventorAritoki TAKADA

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Abstract

In some examples, a first computing device associated with a first blockchain node receives a transaction request along with related data for storage in an off-chain storage. The first blockchain node may send a communication to a second blockchain node to propose recording the transaction on the blockchain, which may result in the transaction being recorded in a new block on the blockchain as conditionally accepted pending validation of the related data. The first computing device may send the related data to a second computing device associated with the second blockchain node that performs validation. The first blockchain node receives, from the second blockchain node, a communication that proposes recording of the transaction on the blockchain as being validated. The first and second blockchain nodes may send one or more communications to cause addition of another new block to the blockchain indicating validity of the transaction.

Claims20

Dependent claims

A system comprising:

a first computing device associated with a first blockchain node able to communicate with one or more second computing device associated with one or more respective second blockchain nodes, wherein the first computing device includes one or more processors configured by executable instructions to perform operations comprising:
receiving, by a first computing device, a transaction request and associated related data;
storing the related data in an off-chain storage location;
sending, by the first blockchain node, a communication to the one or more respective second blockchain nodes to propose recording the transaction on the blockchain, the communication including a hash value representative of content of the related data;
receiving, by the first blockchain node, from at least one of the respective second blockchain nodes, a communication that endorses recording of the transaction on the blockchain as conditionally accepted pending validation of the related data;
sending, by the first blockchain node, to the respective second blockchain nodes, the transaction information including the hash value and the at least one endorsement to cause addition of a new block to the blockchain;
sending, by the first computing device, the related data to one or more respective second computing devices associated with the one or more respective second blockchain nodes;
receiving, by the first blockchain node, from at least one of the respective second blockchain nodes, a communication that proposes recording of the transaction on the blockchain as being validated;
sending, by the first blockchain node, to at least one of the respective second blockchain nodes, a communication that endorses recording of the transaction as validated on the blockchain;
and
receiving, by the first blockchain node, from at least one of the respective second blockchain nodes, the transaction information including the hash value and the at least one endorsement to cause addition of another new block to the blockchain.

8 more elements

A method comprising:

receiving, by a first computing device associated with a first blockchain node, a transaction request and an indication of associated related data for storage in an off-chain storage location;
sending, by the first blockchain node, a communication to a second blockchain node to propose recording the transaction on the blockchain, the communication including a summary value representative of content of the related data;
receiving, by the first blockchain node, from the second blockchain node, a communication that endorses recording of the transaction on the blockchain as conditionally accepted pending validation of the related data;
sending, by the first blockchain node, to the second blockchain node, a communication to cause addition of a new block to the blockchain, the new block indicating the conditional acceptance of the transaction;
sending, by the first computing device, the related data to a second computing device associated with the second blockchain node;
receiving, by the first blockchain node, from the second blockchain node, a communication that proposes recording of the transaction on the blockchain as being validated;
sending, by the first blockchain node, to the second blockchain node, a communication that endorses recording of the transaction as validated on the blockchain;
and
receiving, by the first blockchain node, from the second blockchain node, a communication to cause addition of another new block to the blockchain indicating validity of the transaction.

6 more elements

Dependencies are inferred from the claim text.

Facts

Application: 16/041,877Filed 23 Jul 2018
Published: 23 Jan 2020
Term ends: Not estimatedThe source records don’t support an estimate.

Classification5 codes

H04L 9/3239
Using cryptographic hash functions: involving non-keyed hash functions, e.g. modification detection codes [MDCs], MD5, SHA or RIPEMD
H04L 9/3247
Including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity…:…
H04L 63/12
Network architectures or network communication protocols for network security: applying verification of the received information
H04L 9/50
Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols: using hash chains, e.g.…