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Sapien

Sapien develops Proof of Quality (PoQ), an onchain infrastructure layer for verifiable AI data and output quality. It enables teams to define quality rubrics, obtain independent validator consensus, and receive auditable onchain attestations for training data, AI evaluation, expert review, and quality control.
Distributed
Current stage: Seed1 current maintainer1 active lead

Maintainer signals as of Aug 10, 2026


Current Funding Stage

Seed

Current recognized equity stage. The rounds below remain the historical funding record.

Funding Rounds

Funding Round: Seed
Funding Date: 30 Oct, 2024
Raised Amount: $11M

Funding Round: Seed
Funding Date: 1 Oct, 2024
Raised Amount: $11M

Funding Round: Seed
Funding Date: 10 Apr, 2024
Raised Amount: $5M

Funding Round: ICO
Funding Date: 31 Jan, 2018
Raised Amount: $5M

Investors