The site has this to say about avatars:
Hyperfy gives you the power to be who you want to be, using the interoperable VRM avatar format. Gone are the days where platforms restrict what you look like! As the first live metaverse platform on the web to support fully immersive multiplayer VRM avatars, we're super excited to see this standard become more widespread so that we can bring our avatars everywhere we go.
The Virtual Worlds Museum chose to feature Hyperfy for a variety of reasons.
The 7 platforms selected to be featured in the Virtual Worlds Museum WebXR Exhibit are:
Ozone, a 3D creation engine Cloud for the next era of the internet; OnCyber, a metaverse platform that makes it easy for anyone to create their own 3D, immersive experience that can be accessed from the browser;
Nowhere, a platform to connect, explore and create in the metaverse in seconds;
Hyperfy, a metaverse platform that makes it easy for anyone to create rich, immersive virtual worlds;
Frame, an immersive collaboration space that works on desktop, mobile, or VR;
VRLand, your white-label platform to deliver, control, and scale your vision for the Metaverse today; and
Spatial, a 3D gaming hub where creators craft and share immersive social experiences for web, mobile, and VR.
The Virtual Worlds Museum Hyperfy hub is coming soon.