ARBITRUM: THE "DIA" UPGRADE ERA! $ARB just got a massive engine swap while the market was looking the other way. The ArbOS Dia upgrade went live on January 8, introducing a new pricing model to smooth out gas fluctuations and native support for mobile signing (Passkeys/FaceID). $ARB is officially making the "Super App" experience a reality for 2026. It is cementng its lead as the L2 gold standard. Own the rails, or get left at the station.