Off-chain interaction and on-chain processing using exchange

EP4762703A1Pending Publication Date: 2026-06-24VISA INTERNATIONAL SERVICE ASSOCIATION

Patent Information

Authority / Receiving Office: EP · EP
Patent Type: Applications
Current Assignee / Owner: VISA INTERNATIONAL SERVICE ASSOCIATION
Filing Date: 2024-08-15
Publication Date: 2026-06-24

AI Technical Summary

Technical Problem

Current blockchain transaction processes are cumbersome and inefficient, requiring users to acquire native blockchain tokens through centralized exchanges, which can result in errors due to fluctuating token values and operational fees. Additionally, these processes are complex and inaccessible to technologically less savvy individuals, and they can lead to slow transaction processing times.

Method used

A method using a node managing a blockchain network with an entry point smart contract, a first smart contract, and a second smart contract, which facilitates off-chain interaction and on-chain processing. This involves receiving a blockchain transaction request, verifying transaction parameters, and executing the transaction by communicating with the second smart contract, which requests tokens from the first smart contract to complete the transaction.

Benefits of technology

This solution simplifies the blockchain transaction process by allowing users to pay transaction amounts in fiat currency off-chain, reducing the need for native blockchain tokens and improving transaction processing speed. It also makes blockchain transactions more accessible and user-friendly.

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Abstract

A method is disclosed. The method includes receiving, by a node managing a blockchain, a blockchain transaction request comprising transaction parameters including a master computer digital signature. The method includes verifying, by an entry point smart contract with a second smart contract, at least some of the transaction parameters, and providing to the first smart contract, a signature validation request with the master computer digital signature. The method also includes receiving, by the entry point smart contract from the first smart contract, a signature validation response from the first smart contract. The method includes communicating, by the entry point smart contract with the second smart contract to execute the blockchain transaction request, and calling, by the second smart contract, the first smart contract to request tokens to complete the blockchain transaction. The first smart contract acquires and provides the tokens to an account associated with the second smart contract.

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