I have a stock exchange project that I hired to a developer. I'm okay with bitcoin but I am new to Ethereum. The developer is in the process of develop the Ether wallet. Like a regular stock market, I want an API generates unique ethereum addresses (connected to my cold wallet) for each registered members. Which informations should I share with my developer to do it? can someone help me to redirect me as I am a newbie? I just want to in safe.
The developer should use use one of the many testnets available (Ropsten for example) to create dummy accounts to test the code before even going to mainnet (where I assume you have your account). So in this very early stage you don't need to share any of your account addresses, until the solidity / web3js code is built and well tested. Hope this helps.