Fiamma, a BitVM2-based on-chain ZKP verification infrastructure and Babylon ecological infrastructure project, announced the completion of a $4 million seed round of financing, led by Lightspeed Faction and L2 Iterative Ventures, with participation from Astera Ventures, Contribution Capital, Sats Ventures, Chapter One and FoundersHead, as well as the founders of BOB (Build on Bitcoin), Satlayer and Daedalus. The new funds are intended to accelerate product development and drive the adoption of its underlying technology.