Trade is less risky than investment. You can make money in Hype, but you need to know when to deduce assets. This is very unpredictable. It's better to earn on referrals in HYIP
Trade is a risky activity, it can be less risky than many investments, but there are investments which are much more safe and guaranteed. Money by investing in HYIPs is possible, but I think the chances to make profit are lower than the chances you have while gambling at Dice game... Better to stay away from HYIPs as it only brings problems to people, this includes the referral system as you are luring people into a trap where they will surely lose money.
You have check the realtrading.pro to know the HYIP trading investments. Some of the HYIP investments are falsifying the people who invested on that but not all. If you feel risk in that, you can use the normal trading exchanges which is most trusted like paxful, polenix, coinbase or localbitcoins. Trading is best option to grow your bitcoins easily.