Bitcoin Payment via Text Message Intermediary
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Solution Overview
Problem
Current payment systems, particularly those using virtual currencies like Bitcoin, face challenges in fungibility and accessibility, as they require internet connectivity and do not allow for seamless global transactions without prior accounts, limiting their usability for mobile device users without internet access.
Innovation Solution
A method and system that enables payment processing through text messages on mobile devices, allowing users to send and receive payments using a payment service that creates virtual accounts and transfers funds without the need for prior accounts or internet access, utilizing a peer-to-peer virtual currency network and cryptographic protocols.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If Bitcoin network is used for payment, then cryptographic security and decentralized verification are achieved, but internet connectivity and prior account setup are required
Solution Approach 1:
The patent introduces a payment service as an intermediary between users and the Bitcoin network. This service handles the complex cryptographic operations, account management, and network communication in the background, while users simply send text messages. The intermediary absorbs the technical complexity and internet dependency, allowing users to access Bitcoin payments through simple SMS interfaces without directly managing cryptographic keys or requiring persistent internet connectivity.
Solution Approach 2:
The system enables users to perform payment operations through automated text message interactions without requiring manual configuration of cryptographic parameters or direct connection to the Bitcoin network. The payment service automatically handles transaction creation, signing, and broadcasting based on user-initiated text messages, making the system self-service oriented and independent of user expertise in cryptographic protocols.
2Reliability
If traditional payment systems are used, then account security is maintained, but prior account creation and internet access are required
Solution Approach 1:
The system pre-establishes payment services and virtual accounts in advance, allowing users to immediately send and receive payments without going through account creation processes. The payment service maintains pre-configured cryptographic identities and transaction templates that are activated upon receiving text messages, eliminating the need for users to perform preliminary account setup while maintaining security through pre-validated cryptographic mechanisms.
Solution Approach 2:
The payment service creates a universal interface that works across different devices and network conditions. By supporting multiple communication channels (text messages, voice calls) and automatically handling account creation, the system becomes adaptable to various user scenarios including first-time users, users without internet access, and users across different platforms, all while maintaining consistent security standards.
3Adaptability or versatility
If virtual currency network is used, then global transaction capability is achieved, but fungibility issues arise due to transaction history
Solution Approach 1:
The patent segments the Bitcoin transaction history into two distinct layers: the public layer (blockchain) that ensures security and global reach, and the private layer (virtual accounts) that maintains fungibility. By creating virtual accounts that act as intermediaries, the system segments the visibility of transaction histories - external users only see aggregated balance information through text message notifications, while detailed transaction histories remain private to account holders, thus preserving fungibility while maintaining global capability.
4Ease of operation
If text message interface is used, then ease of operation is improved, but validation and security verification become more complex
Solution Approach 1:
The payment service acts as an intermediary that absorbs the validation complexity. It implements automated verification mechanisms including voice call validation, where the system automatically places and validates voice calls to confirm user identity and intent. This intermediary layer handles complex validation logic, cryptographic verification, and fraud detection in the background, while users interact through simple text messages without needing to understand or manage the underlying complexity.
Data Source
AI summary
A method for processing payment. The method includes receiving, by a payment service, a payment text message comprising a payment amount and an identifier of a payee mobile device, validating the payment text message based on a payer balance of a virtual payer account maintained by the payment service for the payer, creating, by the payment service and in response to the payment text message, a virtual payee account based on the identifier of the payee mobile device, transferring, in response to creating the virtual payee account, the payment amount from the virtual payer account to the virtual payee account, and sending, by the payment service to the payee mobile device, a notification text message to notify the payee regarding a payee balance of the virtual payee account, wherein the payee balance is determined based at least on the payment amount.