TY - THES AU - Gómez Martínez, Javier A3 - Moreno Sánchez, Pedro (col. ext.) A3 - Fiore, Dario (col. ext) PY - 2024 UR - https://hdl.handle.net/20.500.14352/101770 AB - The fair exchange problem consists in two parties, seller and buyer, that want to exchange a good with money in a fairly manner, that is, the seller does not want to give the good until they receive the money whereas the buyer does not want to pay... AB - El problema del fair exchange consiste en que dos partes, un vendedor y un comprador, quieren realizar una venta de un bien digital de manera justa, esto es, el vendedor no quiere dar el bien en venta hasta obtener el dinero mientras que el comprador... LA - eng KW - Fair Exchange KW - Trusted Third Party KW - Cryptocurrency KW - Blockchain KW - Adaptor signatures KW - Zero-knowledge proofs KW - Contingent payment KW - Sigma-protocol KW - Criptomonedas KW - Blockchain KW - Adaptor signatures KW - Pruebas de conocimiento cero KW - Pago contingente KW - Sigma-protocolos TI - Algebraic Contingent Payment and Applications T2 - Pago Contingente Algebraico y aplicaciones M3 - master thesis ER -