A Review on Blockchain Smart Contract Applications

Tanwar, Sarvesh; Gupta, Neelam; Tomar, Jai Singh; Kumar, Karan; Treľová, Silvia; Ivanochko, Iryna

doi:10.1007/978-3-031-37164-6_13

Cited by 2 publications

(2 citation statements)

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“…Such contracts consist of code that is automatically run when preset conditions and requirements are fulfilled without the need for a central authority. The code unalterably implements both the conditions set out in an agreement reached by distinct web parties and the rules and events that can trigger the automatic execution of the contracts [13][14][15].…”

Section: Introduction and Motivationsmentioning

confidence: 99%

“…This means that BC could obtain information about purchase transactions, but it cannot exploit it to collude with B or CP since it is forced to behave according to the protocol rules. This is a realistic assumption since the protocol forces BC only to run two smart contracts, sm s and sm p , whose code, once approved, is not allowed to be modified during the life of the blockchain [13][14][15].…”

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confidence: 99%

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Blockchain and Smart Contracts for Digital Copyright Protection

Frattolillo

2024

Future Internet

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In a global context characterized by a pressing need to find a solution to the problem of digital copyright protection, buyer-seller watermarking protocols based on asymmetric fingerprinting and adopting a “buyer-friendly” approach have proven effective in addressing such a problem. They can ensure high levels of usability and security. However, they usually resort to trusted third parties (TTPs) to guarantee the protection process, and this is often perceived as a relevant drawback since TTPs may cause conspiracy or collusion problems, besides the fact that they are generally considered as some sort of “big brother”. This paper presents a buyer-seller watermarking protocol that can achieve the right compromise between usability and security without employing a TTP. The protocol is built around previous experiences conducted in the field of protocols based on the buyer-friendly approach. Its peculiarity consists of exploiting smart contracts executed within a blockchain to implement preset and immutable rules that run automatically under specific conditions without control from some kind of central authority. The result is a simple, usable, and secure watermarking protocol able to do without TTPs.

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Section: Introduction and Motivationsmentioning

confidence: 99%

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confidence: 99%