Subzero Labs develops blockchain infrastructure for applications that connect directly with internet data.
Founded in 2025 and based in Los Angeles, Subzero Labs, also known as Rialo, develops blockchain infrastructure for applications that use real-time internet data. Its platform supports functions such as asset pricing, encrypted messaging and data transfer. In August 2025, the company raised USD 20 million in seed funding led by Pantera Capital, with participation from Coinbase Ventures, Fabric Ventures, Flowdesk SAS, Hashed Ventures, Mirana Ventures, Mysten Labs, Inc., and Susquehanna International Group.
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