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[{"key": "dc.contributor.advisor", "value": "Taipalus, Toni", "language": "", "element": "contributor", "qualifier": "advisor", "schema": "dc"}, {"key": "dc.contributor.author", "value": "Kupiainen, Teemu", "language": "", "element": "contributor", "qualifier": "author", "schema": "dc"}, {"key": "dc.date.accessioned", "value": "2023-05-31T06:03:23Z", "language": null, "element": "date", "qualifier": "accessioned", "schema": "dc"}, {"key": "dc.date.available", "value": "2023-05-31T06:03:23Z", "language": null, "element": "date", "qualifier": "available", "schema": "dc"}, {"key": "dc.date.issued", "value": "2023", "language": "", "element": "date", "qualifier": "issued", "schema": "dc"}, {"key": "dc.identifier.uri", "value": "https://jyx.jyu.fi/handle/123456789/87319", "language": null, "element": "identifier", "qualifier": "uri", "schema": "dc"}, {"key": "dc.description.abstract", "value": "Lohkoketjuteknologia on saanut paljon huomiota viime vuosina johtuen sen lupaamasta mahdollisuudesta hajautettuun sek\u00e4 turvalliseen toimintaan eri liiketoiminnan aloilla tai sovellettuna kryptovaluutoiksi. \u00c4lysopimukset mahdollistavat perinteisten sopimusten ohjelmoinnin ja automaation ennenn\u00e4kem\u00e4tt\u00f6m\u00e4ll\u00e4 tavalla, mutta samaan aikaan varsinaisia todellisen maailman k\u00e4ytt\u00f6tapauksia lohkoketjuille tai \u00e4lysopimuksille on ilmestynyt verrattain v\u00e4h\u00e4n, jos kyseess\u00e4 on paradigmaa siirt\u00e4v\u00e4 teknologia. Kirjallisuuskatsauksessa selvitettiin mill\u00e4 tavalla lohkoketjuja sek\u00e4 \u00e4lysopimuksia on onnistuttu soveltamaan reaalimaailmassa ja onko t\u00e4ll\u00e4 tavalla kyetty tehostamaan tai parantamaan jo olemassa olevia prosesseja. Tutkielma toteutettiin kuvailevana kirjallisuuskatsauksena tarkoituksena vastata seuraaviin kysymyksiin: mit\u00e4 \u00e4lysopimussovelluksia on olemassa rahakej\u00e4rjestelmien eli kryptovaluuttojen lis\u00e4ksi ja miten \u00e4lysopimuksia voidaan k\u00e4ytt\u00e4\u00e4 suljetun lohkoketjuymp\u00e4rist\u00f6n kuten Ethereumin ulkopuolella. Tutkielmassa saatiin selville, ett\u00e4 lohkoketjusovelluksia varsinkin toimitusketjujen hallinnalle oli jo olemassa sek\u00e4 t\u00e4m\u00e4 n\u00e4ytt\u00e4\u00e4 olevan yksi lupaavimmista k\u00e4ytt\u00f6kohteista teknologialle. Suurimmat esteet l\u00f6ytyiv\u00e4t eri lohkoketjujen yhteentoimivuuden, standardoinnin puutteen sek\u00e4 tiedon siirron osalta. Tiedonsiirtoa luotettavasti ulkomaailmasta lohkoketjuille voidaan pit\u00e4\u00e4 suurimpana n\u00e4ist\u00e4 esteist\u00e4. Ennen kuin oraakkeliongelmalle on hyv\u00e4 ratkaisu, \u00e4lysopimusten hy\u00f6dynt\u00e4minen reaalimaailmassa on v\u00e4hint\u00e4\u00e4nkin vaikeaa. Tulokset osoittivat, ett\u00e4 \u00e4lysopimukset ja lohkoketjut teknologiana mahdollistavat liiketoiminnan tehostamista automaatiolla sek\u00e4 avoimempaa kanssak\u00e4ymist\u00e4 eri sidosryhmien v\u00e4lill\u00e4. Luottamuspohjaisten j\u00e4rjestelmien korvaaminen \u00e4lysopimusten luottamuksettomuudella, joka taataan kryptografisesti, mahdollisesti v\u00e4hent\u00e4isi liiketoiminnan kitkaa", "language": "fi", "element": "description", "qualifier": "abstract", "schema": "dc"}, {"key": "dc.description.abstract", "value": "Blockchain technology has garnered significant attention in recent years due to its potential for enabling decentralized and secure operations across various business sectors and in the context of cryptocurrencies. Although smart contracts can facilitate the programming and automation of traditional contracts in innovative ways, there have been relatively few real-world use cases for blockchains or smart contracts. This bachelor's thesis conducts a literature review to investigate how blockchains and smart contracts have been successfully applied in real-world settings and whether they have streamlined or improved existing processes. The thesis was carried out as a general literature review with the aim of answering the following questions: what smart contract applications exist in addition to monetary systems, i.e., cryptocurrencies, and how can smart contracts be used outside of a closed blockchain environment like Ethereum. The study found that there were already blockchain applications, especially for supply chain management, and this seems to be one of the most promising uses for the technology. The biggest obstacles were found in the interoperability of different blockchains, the lack of standardization, and the transfer of information. Reliable data transfer from the outside world to blockchains can be considered the biggest of these obstacles, and until a good solution is found for the oracle problem, it will be at least difficult to utilize smart contracts in the real world. The results showed that smart contracts and blockchain technology enable the streamlining of business through automation and more open interaction between different stakeholders. Replacing trust-based systems with trustlessness, which is guaranteed cryptographically, could potentially reduce friction in business.", "language": "en", "element": "description", "qualifier": "abstract", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Submitted by Paivi Vuorio (paelvuor@jyu.fi) on 2023-05-31T06:03:23Z\nNo. of bitstreams: 0", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Made available in DSpace on 2023-05-31T06:03:23Z (GMT). No. of bitstreams: 0\n Previous issue date: 2023", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.format.extent", "value": "35", "language": "", "element": "format", "qualifier": "extent", "schema": "dc"}, {"key": "dc.language.iso", "value": "fin", "language": null, "element": "language", "qualifier": "iso", "schema": "dc"}, {"key": "dc.rights", "value": "In Copyright", "language": "en", "element": "rights", "qualifier": null, "schema": "dc"}, {"key": "dc.subject.other", "value": "\u00e4lysopimus", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "lohkoketjusovellus", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "oraakkeliongelma", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.title", "value": "\u00c4lysopimusten ja lohkoketjujen soveltaminen", "language": "", "element": "title", "qualifier": null, "schema": "dc"}, {"key": "dc.type", "value": "bachelor thesis", "language": null, "element": "type", "qualifier": null, "schema": "dc"}, {"key": "dc.identifier.urn", "value": "URN:NBN:fi:jyu-202305313375", "language": "", "element": "identifier", "qualifier": "urn", "schema": "dc"}, {"key": "dc.type.ontasot", "value": "Bachelor's thesis", "language": "en", "element": "type", "qualifier": "ontasot", "schema": "dc"}, {"key": "dc.type.ontasot", "value": "Kandidaatinty\u00f6", "language": "fi", "element": "type", "qualifier": "ontasot", "schema": "dc"}, {"key": "dc.contributor.faculty", "value": "Informaatioteknologian tiedekunta", "language": "fi", "element": "contributor", "qualifier": "faculty", "schema": "dc"}, {"key": "dc.contributor.faculty", "value": "Faculty of Information Technology", "language": "en", "element": "contributor", "qualifier": "faculty", "schema": "dc"}, {"key": "dc.contributor.department", "value": "Informaatioteknologia", "language": "fi", "element": "contributor", "qualifier": "department", "schema": "dc"}, {"key": "dc.contributor.department", "value": "Information Technology", "language": "en", "element": "contributor", "qualifier": "department", "schema": "dc"}, {"key": "dc.contributor.organization", "value": "Jyv\u00e4skyl\u00e4n yliopisto", "language": "fi", "element": "contributor", "qualifier": "organization", "schema": "dc"}, {"key": "dc.contributor.organization", "value": "University of Jyv\u00e4skyl\u00e4", "language": "en", "element": "contributor", "qualifier": "organization", "schema": "dc"}, {"key": "dc.subject.discipline", "value": "Tietoj\u00e4rjestelm\u00e4tiede", "language": "fi", "element": "subject", "qualifier": "discipline", "schema": "dc"}, {"key": "dc.subject.discipline", "value": "Information Systems Science", "language": "en", "element": "subject", "qualifier": "discipline", "schema": "dc"}, {"key": "yvv.contractresearch.funding", "value": "0", "language": "", "element": "contractresearch", "qualifier": "funding", "schema": "yvv"}, {"key": "dc.type.coar", "value": "http://purl.org/coar/resource_type/c_7a1f", "language": null, "element": "type", "qualifier": "coar", "schema": "dc"}, {"key": "dc.rights.accesslevel", "value": "openAccess", "language": null, "element": "rights", "qualifier": "accesslevel", "schema": "dc"}, {"key": "dc.type.publication", "value": "bachelorThesis", "language": null, "element": "type", "qualifier": "publication", "schema": "dc"}, {"key": "dc.subject.oppiainekoodi", "value": "601", "language": "", "element": "subject", "qualifier": "oppiainekoodi", "schema": "dc"}, {"key": "dc.subject.yso", "value": "virtuaalivaluutta", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "liiketoiminta", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "lohkoketjut", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "automaatio", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.rights.url", "value": "https://rightsstatements.org/page/InC/1.0/", "language": null, "element": "rights", "qualifier": "url", "schema": "dc"}]
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