Cosign on X: “Cosign.”

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Cosign

@cosign

Cosign.

Erik Torenberg@eriktorenberg · Sep 25

Excited to introduce @cosign: the curated professional network for the startup community: cosign.co

Our goal is to create the following:

- A comprehensive startup directory of investors, companies, and operators, including what they worked on and who they worked

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Sep 25, 2026, 5:30 PM UTC

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