Signal says 1,900 users’ phone numbers exposed by Twilio breach

End-to-end encrypted messaging app Signal says attackers accessed the phone numbers and SMS verification codes for almost 2,000 users as part of the breach at communications giant Twilio last week. Twilio, which provides phone number verification services to Signal,...

Open source software is needed to prevent future crypto hacks, Polygon CISO says

The pace of crypto hacks hasn’t slowed in the dog days of summer, with tens of millions of dollars stolen in August alone. As the crypto community carries on in the wake of the expensive exploits, many web3 users are biting their tongue waiting for the next big...

To optimize for growth, study your down-funnel metrics

Jonathan Martinez Contributor Share on Twitter Jonathan Martinez is a former YouTuber, UC Berkeley alum and growth marketing nerd who’s helped scale Uber, Postmates, Chime and various startups. More posts by this contributor How to run growth marketing during a...

Twitch founder Justin Kan: Web3 games don’t need to lure players with profit

Top crypto VCs are constantly touting the potential of video games as one of the most compelling use cases for blockchain technology. Andreessen Horowitz partner Arianna Simpson, for example, who led the firm’s investment in crypto game Axie Infinity, has given...

There’s always another nightmarish crypto hack around the corner

Welcome back to Chain Reaction. Last week, we looked at the near-term future for crypto gaming as VCs zero in on where to place consumer bets. This week, we’re looking at hardware wallets and the endless journey towards feeling safe in the crypto world. To get...