[ASK] About Blockchain Developer

[hondahitomi]

As we know that the discovery of blockchain technology is a new method for developing transactions to be more transparent and efficient.
Therefore I am interested in becoming a blockchain developer, especially when blockchain developers are still very rare in Indonesia

I happen to be a java developer, precisely on a mobile developer

1. if you want to become a blockchain developer, is there a recommendation to go online?

2. Job opportunities become Blockchain developers in Indonesia?

3. Estimated annual income?

4. How difficult is it to find a job?

Maybe it's here that there is mastah that has become a blockchain developer can answer, all answers will be greatly appreciated