You are given a sentence in Portuguese. Your job is to translate the Portuguese sentence into Arabic.

Example input: Mas o que são direitos humanos?
Example output: ولكن ماهي حقوق الإنسان ؟
Example explanation: The Portugese sentence is correctly translated into Arabic, because the meaning is preserved.
Q: Isto cria um registo imutável e impossível de falsificar de todas as transações através da rede.
A:
يخلق هذا سجلاً غير قابل للتغيير أو التزوير لكل العمليات عبر هذه الشبكة.