Of course, there is a lot of risks, but they are not big, so if you are unsure why staking is necessary, I will tell you – it is crucial for the safety and stability of the blockchain, which requires locked tokens as a guarantee that transactions are correct, and stakers, in turn, guarantee with its own money that all the operations are handled right, for this perk they get a percentage in the form of tokens that are churned when a new block is added. You can try starting staking polyhedera here https://xbanking.org/ .