Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Method for issuing, redeeming, refunding, settling and revoking electronic voucher by using utxo-based protocol, and server employing same

Method for issuing, redeeming, refunding, settling and revoking electronic voucher by using utxo-based protocol, and server employing same

US Patent 11907917 · Granted Feb 20, 2024

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Method for providing oracle service of blockchain network by using zero-knowledg2025
Tampering verification system and method for financial institution certificates,2025
Tampering verification system and method for financial institution certificates,2025
Tampering verification system and method for financial institution certificates,2025
Blockchain network-based virtual common ID service method and service provision 2024
Certificate issuing system based on block chain2024
Certificate issuing system based on block chain2024
Certificate issuing system based on block chain2024
Method for paying cost of IoT device based on blockchain and merkle tree structu2024
Method for paying cost of IoT device based on blockchain and merkle tree structu2024
Method for paying cost of IoT device based on blockchain and merkle tree structu2024
Method for paying cost of IoT device based on blockchain and merkle tree structu2024