I am doing computer science and i want to be a blockchain developer. but dont know how to start.
You should know that being a computer scientist doesn't mean you could fit into becoming a blockchain developer but you could shape it by starting from somewhere and you have to focus on one so it's advisable you finish your college but if you can handle it then you should **Understand how the crypto world works generally , Understand how the blockchain works itself , start developing your self into understanding how to code in languages used by blockchain engineers , only then you can find the right path to deciding what's best for you.
Although you need a guide towards it most times that's why boot camps are out there but the major development still relies with you