Hello,

1]  I want to create bitcoin wallet addresses and store its key in database using java . But I don't find any solution on how to create on bitcoin blockchain .

2] I want to track the transaction made to that wallet addresses that we created in STEP 1 .

I don't know how to create and track the payment

Should i create RPC node for bitcoin chain ?
What are the virtual server configurations that i need ?
How to that server will notify me about the transaction?