Ama-node e-Cryptocurrency adlala indima ebalulekile ekuqinisekiseni ukusebenza kwamanethiwekhi ahlukanisiwe. La ma-node angamadivayisi noma izinhlelo ezigcina ulwazi mayelana nokuthengiselana kanye namabhulokhi, ukugcina inethiwekhi isebenza. Imisebenzi eyinhloko yama-nodes ihlanganisa ukuqinisekiswa kokuthengiselana, ukusabalalisa i-block, kanye nokuhlola nokuqinisekisa ukuhambisana kwabo nemithetho ye-protocol.
I-node ngayinye idlala indima ebalulekile ekuqinisekiseni ukubonakala nokuvikeleka kwenethiwekhi, futhi inani labo lithinta ngqo ukuguqulwa kwamandla nokuqina kohlelo. Ama-Nodes angagcwele, asekela yonke i-blockchain, noma engasindi, agcina idatha eyingxenye kuphela. Ngokubambisana, bakha ingqalasizinda evumela ama-cryptocurrencies ukuthi asebenze ngaphandle kokulawulwa okuphakathi nokuphazamiseka kwangaphandle, okwenza uhlelo luthembeke futhi luvikelwe ekuhlaselweni.