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Spire Labs
Spire Labs is a venture-backed Ethereum infrastructure company building based appchain and transaction-execution products. Its offerings include Pylon for based appchains, DA Builder for transaction aggregation, Full Send RPC for transaction inclusion and MEV protection, and BaiBai, a PropAMM DEX on Base.
Palo Alto, USA
Current stage: Seed2 current maintainers2 active leads1 new active lead2 lead step-downs1 early lead departure
Maintainer signals as of Aug 10, 2026
Current Funding Stage
SeedCurrent recognized equity stage. The rounds below remain the historical funding record.
Funding Rounds
Funding Round: Seed
Funding Date: 1 Oct, 2024
Raised Amount: $7M