Once you start learning how crypto works you will realize actually how safe it truly is.. the ones that will work are the ones that people are putting their money in and are believing in thats why i only buy into BTC/ETH/LTC because they are widely popular coins that have all been around for several years now, the new coins that just come out are risky because they are unstable but some of these coins have been around for many many years now just nobody talked about it until recently as prices exploded