They're using AVAX so it's probably a custom Avalanche L1 – that's the whole point of Avalanche, they get to benefit from the public validators on the AVAX netw

They're using AVAX so it's probably a custom Avalanche L1 – that's the whole point of Avalanche, they get to benefit from the public validators on the AVAX network but they can fully manage validator membership in their private L1 The people involved in this are fairly legit so I doubt they're going to do it just for show. Now the question is: did it need a blockchain solution? probably not