# Exam Coding Exercise 4
You are advised to attempt the coding exercises in numerical order. If you have not yet completed Coding Exercises 1, 2, and 3, it is recommended that you do so before continuing.
Coding Exercise 4 is now accessible in your personal repo. Click here (opens new window) to go to the Academy Gitlab server and open your project's merge requests page.
To complete this exercise, in effect, you need to compile the Protobuf files and complete the CosmJS Typescript files. An experienced developer can tackle it in one hour and a half.
The four Coding Exercises are worth 80% of your Final Exam score collectively.
You are free to attempt this exercise now, or you can wait until the Final Exam period officially begins on January 4th, 2024. The absolute deadline for attempting the exercise is February 1st.
When you complete the exercise you will be able to see your score directly. You can repeat this exercise as often as you like if you want to improve your score.