I had invested in cardano as it is energy efficient and nature friendly. It is secure and I also made pretty much profit by investing in it. Caradano has a unique approach and so has a very well future scope. I also think that cardano is very safe to invest in because its performance shows stability and certainty it was announced that Cardano had finally achieved 100% decentralisation. What this now means is that block production is now in the hands of the network’s stake pool operators. Also CaSee full review