Polkadot, tushen tsarin haɗa blockchain daban-daban, ya ƙaddamar da saitin sa na farko na parachains, cibiyoyin sadarwa guda ɗaya waɗanda ke gudana a layi daya don ƙirƙirar daidaituwa, yanayin yanayin mu’amala. Wasu shekaru biyar a cikin ci gaba, ci gaban…