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Blacksmith announces $66 million Series C at a $1 billion valuation

Blacksmith announced a $66 million Series C led by Sequoia to expand its code-validation platform. The $1 billion valuation is the company’s stated transaction value, not cash raised; total financing is $125 million. Customer count, growth and speed claims are issuer-reported, not proof of a general return on investment.

Primary source · Blacksmith · October 21, 2026

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