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http://hdl.handle.net/10609/107006
Title: DTrustManager: sistema de confianza anónima aplicado a redes de blockchain
Author: Franco Pérez, José María
Tutor: Freitag, Félix
Keywords: web of trust
blockchain
Ethereum
reputation
trust system
Issue Date: 8-Jan-2020
Publisher: Universitat Oberta de Catalunya (UOC)
Abstract: One of the biggest problems facing blockchain networks today is the lack of trust between two users who choose to interact with each other. Generally, if two people want to exchange a token or security, they will go to a secondary market that will broker that exchange for them. Besides secondary markets, there are other solutions that solve the trust problem in other ways, but always with an intermediary. Transactions directly between peers, or peer-to-peer (P2P), require a mutual trust that only two users who know each other "off-chain" usually achieve. The basis of the operation of the most common blockchains is the transmission of tokens from one point to another without the possibility of "refunding" the tokens or "undoing" the operation. Therefore the user performing the transaction must be very sure before carrying out the action. In this End-of-Degree Project, a solution to this problem is analyzed and implemented by creating a trust system, based on Web of Trust networks and reputation systems, that allows the different users of a network to make public their trust in other users. In this way, each user has a trust score that can serve as a basis for future transactions with other unknown users. This solution does not require the real identification of a user, thus maintaining the anonymity of users within blockchain networks, a fundamental characteristic of this technology.
Language: Spanish
URI: http://hdl.handle.net/10609/107006
Appears in Collections:Bachelor thesis, research projects, etc.

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