For BTC itself, it can be trusted that the BTC system will not scam, but if the BTC value is not guaranteed, now it costs up to thousands of dollars but there is no guarantee that it will remain that way, it could be due to something BTC prices this has dropped dramatically, what needs to be wary of the potential of this scam is the new crypto-crypto currency, there has been a lot of crypto new currecy which is actually just a fraud mode.