Odaily Planet Daily News: Artificial intelligence development company Rena Labs has completed a $3.3 million Pre-Seed round of financing, led by Paper Ventures, with participation from Lightspeed Faction, Eterna Capital, Lyrik Ventures, Mapleblock Capital, Selini Capital and Keyrock. Rena Labs has developed a trusted execution environment (TEE) abstract middleware designed to create on-chain infrastructure for verifiable artificial intelligence use cases. (TheBlock)