Reusable, Instant and Private Payment Guarantees for Cryptocurrencies

ePrint Report: Reusable, Instant and Private Payment Guarantees for Cryptocurrencies

Akash Madhusudan, Mahdi Sedaghat, Samarth Tiwari, Kelong Cong, Bart Preneel

Despite offering numerous advantages, public decentralized cryptocurrencies such as Bitcoin suffer from scalability issues such as high transaction latency and low throughput. The vast array of so-called Layer-2 solutions tackling the scalability problem focus on throughput, and consider latency as a secondary objective. However, in the context of retail payments, instant finality of transactions is arguably a more pressing concern, …

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