Polkadot, oo ah qaab-dhismeedka hoose ee isku xirka xannibaadaha kala duwan, ayaa soo saartay qaybteedii ugu horreysay ee parachain-yada, shabakado shaqsiyeed oo si barbar socda u abuuraya is-waafajin, nidaam deegaan oo la wada shaqayn karo. Ilaa shan sano oo horumar…