What is the minimum stake for NEAR Protocol?

As a cryptocurrency enthusiast and investor, I'm curious about the minimum stake requirements for the NEAR Protocol. Could you elaborate on the specifics of the minimum stake needed to participate in staking activities on the NEAR blockchain? Is it a set number of NEAR tokens or does it vary based on certain factors? Understanding the minimum stake requirements is crucial for me to determine if I have the necessary resources to engage in staking and potentially earn rewards on the NEAR network. Your insights would be greatly appreciated.