Kaito launches Pulse extension with zk verification of activity on X

• —The extension confirms positions and activity on Binance and Polymarket without access to passwords
• —zkTLS proofs are generated locally in the browser, with only the fact itself published
• —Primus Labs raised $6.5 million with backing from VanEck and Samsung Next
• —A campaign with an $8,000 USDC prize pool runs from August 25 to September 8, 2026