Two popular altcoins, Injective (INJ) and Arbitrum (ARB), have come together to work on a significant development in the blockchain industry. Injective, a Layer 1 blockchain project, is actively involved in launching a Layer-3 (L3) blockchain on the Arbitrum network. Eric Chen, one of Injective Labs' co-founders, has expressed excitement about this collaboration and the potential it holds for both projects. For more information on this partnership, visit COINOTAG.