Hello friend greetings to you, hope you are doing well and good there.

You have beautifully explained the basic building blocks of blockchain. Very well explained all the steps here. You said the Steam blockchain sequencer is a mechanism used to order transactions in the Steam blockchain protocol and ensure consistency across the network. This is very true.

You have beautifully explained all the Nodes here. Full Nodes and half nodes are explained beautifully. Overall you nice attempt has been made to answer the topic.

I wish you very best of luck in this contest.