What you might have missed at Black Hat and Def Con 2022

Hackers, researchers, cybersecurity companies and government officials descended on Las Vegas last week for Black Hat and Def Con, a cybersecurity double-bill that’s collectively referred to as “hacker summer camp.” This year’s cyber gathering was particularly...

Why Twitter anons are sending crypto to celebrities

Welcome back to Chain Reaction. Last week, we talked about a hack that gave new, ironic meaning to the word “trustless.” This week, we’ll get into one of the most polarizing aspects of crypto — privacy. If someone forwarded you this message,...

How to run growth marketing during a recession

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 What to look for when hiring a growth...

Amazon debuts new Alexa developer tools, including support for multiple voice assistants

Today during an event focused on Alexa developer and partner news, Amazon announced new features and integrations, including a collection of APIs and software development kits (SDKs) aimed at making Alexa more versatile. They come a month after the company demoed...

X1’s income-based credit card is about to launch publicly

The credit card market has become increasingly crowded, with consumer fintech startups locked in a fierce competition to differentiate their offerings through branding, rewards programs and even crypto compatibility. X1 Card is taking a different tack by underwriting...

GameStop looks to diversify its meme money

Welcome back to Chain Reaction. Last week, we looked at web3 without web2’s winners. This week, we’re looking at a crossover episode for meme investing. You can get this in your inbox every Thursday afternoon by subscribing on TechCrunch’s newsletter...