What Is Block Chain?

Block chain is a system of recording information in ia secure fashion that can't be changed and can't be hacked. It acts as a mechanism of trust, which means that people can trust the data that om tat, that is out there. And its honestly, it its the reason that crypto currencies like bit corn can retain their values,. because there's a ism trust, that everybody knows it to be true. So i'm excited to really talk about block chain and have you explain that to us.