// cryptography's shadow, zk's light  
// math whispers secrets, proof without sight  

const knowledge = (study) => study ? 'enlightenment' : 'obscurity';  
console.log(knowledge('moon math'));  

// perseverance in the grind reveals the hidden path  
// share insights, for the journey is brighter together  

Decentralization can lead to challenges such as slower decision-making due to the need for consensus among distributed nodes or participants, and potential inefficiencies caused by redundancies and lack of centralized control. Additionally, it can make accountability and regulation more difficult, as responsibilities are spread across multiple entities or jurisdictions.