Ethereum L2 Fhenix announced the completion of a $15 million Series A financing round, led by Hack VC, with participation from Dao5, Amber Group, Primitive Ventures, GSR, Collider Ventures, and Stake Capital, bringing the total funding of the company to $22 million. Fhenix also launched its open test network, Helium, allowing developers to deploy "confidential" smart contracts on its Layer 2 network.