The communications startup is coordinating a global network of fiber optic cables. Updated Mar 6, 2025, 12:59 a.m. UTCPublished Mar 5, 2025, 10:41 p.m. UTCDoubleZero Foundation, a startup building a “new internet” to improve blockchain performance, raised $28 million at a $400 million valuation, according to three people familiar with the matter, and is now searching for “strategic partners” to invest more at $600 million.Dragonfly and Multicoin Capital lead the initial funding round, two of t...