1% HE is already a standard nowadays on most popular gambling sites as of this moment specially with Dice platforms.Yes, crypto-games do have the lowest among all excluding that safe-dice which do had 0.5% but still not recommended to play into that place due to some various issues so it means it not counted among on the selection. 0% is just a dream because no gambling site would tend out to have this kind of set-up because we know that they do only get out some profit with that house edge thing and if they do operate without those numbers then its impossible for them to sustain of yet we know that there are websites expenses and other some related stuff.