yup and its IPFS and i know the guy @disregardfiat who created it you can come talk to him on https://steemspeak.com discord and he has his own discord too i can give to you after u find him in there since theres atcualy people in that steemspeak one, not ideal butw e have to use it as a portal for now

the ipfs 3d worlds will be great for building games, blockchain games cna be 3d s easily we can amke SOOO much cool stuff INFINITE possibilities man its really insane