Offline Issuance describes the creation of digital assets or currency without requiring a constant network connection. This method is particularly relevant for central bank digital currencies (CBDCs) or certain stablecoins, aiming to provide payment functionality in environments lacking internet access. It involves cryptographic protocols that allow for secure transaction generation and validation locally, with subsequent synchronization when connectivity is restored. The goal is to ensure resilience and accessibility for digital payments in diverse scenarios.
Context
Offline Issuance is a critical consideration for governments exploring CBDCs, addressing financial inclusion and disaster preparedness. Debates focus on balancing the security risks of offline transactions with the benefits of universal accessibility. Future developments will likely involve advanced cryptographic techniques to secure offline payment systems and establish robust mechanisms for eventual online settlement and reconciliation.
This research presents practical non-interactive blind signature constructions using standard PKI keys, enabling widespread anonymous digital token issuance without revealing user data.
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