Blockcerts Ethereum connection

Hello, I have a question. I want to know if someone could explain to me how blockcerts makes its connection with Ethereum. How does its connection with a node to be able to carry out transactions?
Can I connect Blockcertes to my own node?


we use explorer APIs such as You can take a look at this piece of code which handles the connection:

It’s been a while since I last played with Ethereum, but I believe you could use your own node, although I don’t think I can guide you on how to set this up right off the bat.