I-blockchain i-datha-base ehlukanisiwe egcina idatha kuxhaxha lwamakhompyutha noma ama-node. Ibhulokhi ngalinye elisemgqeni liqukethe iqoqo lokwenziwayo, futhi uma ibhulokhi isingeziwe emgqeni, ayikwazi ukuguqulwa noma ukususwa.