Is Blast L2 legit?

I'm a software developer for a former blockchain company. Few weeks ago, out of nowhere my boss being super hyped about this Blast L2 things that is very trending on Twitter. At the point of speaking, it has attracted $1.1 billion TVL and has launched a test net. My boss told our team to stop working on whatever we are building and work on a new project on top of this Blast thing. But me and my coworkers can't wrap our heads around how is this thing legit and why people are putting money into something as vague as this Blast thing is. I've no experience in crypto and web3 prior so I'm posting it here to get some insights, since I'm very concerned that my team are working on what basically is a scam. Thanks in advance.