Myth or Fact: Arbitrum Positioned for Modular, Multi-Chain Future in 2025? A defining narrative for Arbitrum in 2025 centers on its evolution into a modular, multi-chain hub rather than remaining a single Layer 2 network. This positioning solidified through rapid Orbit adoption, Stylus development, and specialized initiatives like Converge, establishing a framework for interconnected yet customizable chains. Single-purpose chains often hit limits in throughput and specialization, while modular stacks enable scaling across diverse needs. Orbit's permissionless proliferation allowed dozens of live Layer 3 chains by year-end, tailored for gaming, AI, and enterprise without governance barriers, all settling to Arbitrum for shared security and liquidity. Stylus groundwork advanced multi-language support with Rust and C++ compatibility, slashing costs for compute-heavy applications and attracting Web2 talent. Complementary efforts, including Converge for unified liquidity across Orbit constellations, reinforced connectivity amid customization. These advances create custom environments that remain deeply integrated, offering isolated performance with bridges to core liquidity pools and Ethereum settlement. Summary: Arbitrum's modular emphasis throughout 2025 confirms this scalable architecture, broadening horizons for builders and users alike. It delivers a future-ready ecosystem of connected, specialized chains poised for widespread innovation.