Staking means that you connect your wallet and maintain a certain amount of $DAG for a predetermined amount of time to earn rewards. Soft Node staking means that you stake a minimum of 250k $DAG for a predetermined amount of time in order to earn rewards. Each increment of 250k $DAG that’s staked will earn rewards. For example, 500k $DAG would result in 2x rewards, 750k would result in 3x rewards, etc.