cryptoexchange UK /ˈkɹɪptəʊ.ɪksˌt͡ʃeɪnd͡ʒ/US /ˈkɹɪptoʊ.ɪksˌt͡ʃeɪnd͡ʒ/ noun1 •An online platform that serves as a marketplace for buying, selling, and trading cryptocurrencies, often converting fiat money into digital assets or swapping one crypto for another. formscryptoexchanges