This article delves into the comparative analysis of two emerging blockchain networks, NIZA and ARB, focusing on their roles within DeFi and Web3 applications. It evaluates investment value, market performance, and technological infrastructure of each asset, addressing the key question: "Which is the better buy?" Targeted at investors and crypto enthusiasts, the article will examine historical price trends, market liquidity, risk factors, and supply mechanisms. Designed for quick scanning, it portrays the structural differences and strategic relevance of NIZA and ARB while emphasizing critical investment considerations. Keywords: NIZA vs ARB, DeFi, Web3, investment comparison, blockchain networks.