Anyone can operate a validator node and start staking. Even so putting together your personal node or staking system may be fairly difficult as it requires specialized expertise. A validator is really a participant in a Evidence of Stake (PoS) blockchain chosen to develop new blocks and validate transactions https://financefeeds.com/xrp-sinks-13-with-analysts-bearish-3-alternative-altcoins-to-consider-this-april/