Bitcoin and Altcoin value growth is unprecedented. But so are their massive drops. If you took that aggressive growth rate and kept selling at the top to buy back at the bottom, how much more wealth would you have?
Your funds are physically secure. You do not need to give us any usernames or passwords. Every major bitcoin trading exchange knows that high net worth individuals use remote fund managers. So they've all created secure trading gateways so a fund manager can trade for you but cannot withdraw.
All the major exchanges including Poloniex, Bittrex, Kraken, Bitfinex, Bitmex, etc all support remote management. This is called remote management by "API SECRET KEY." You generate a long secret code that enables us to trade for you 24h a day. This is where you find that remote management secret key: