@book { CryptocurrencyinallAspects,
    title = "Cryptocurrency in all Aspects",
    author = "Fatih {Ayhan} and Burak {Darıcı}",
    year = "2019",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b15365",
    url = "https://www.peterlang.com/document/1110947"
}