Klaytn is developed by Ground X, a subsidiary company of KAKAO, and it is a block chain development platform for making Dapps of decentralized applications such as Etherium or EOS. It seems that the Klaytn platform is clearly featured that, even if we give up on the decentralization, key element of block chain technology at this time, we should concentrate on equipping institutional foundation, and first keep regulations and develop services more practical and needed by users.