Skylight, an open-source, TikTok-style video app built on the AT Protocol, surged past 380,000 users after last week’s shake-up around TikTok’s U.S. ownership and privacy concerns. TechCrunch reports: Launched last year and backed by Mark Cuban and other investors, Skylight’s mobile app is built on the AT Protocol, the technology that also powers the decentralized X rival Bluesky, which now has north of 42 million users. Skylight, co-founded by CEO Tori White and CTO Reed…

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