Cryptocurrency rating agency Weiss Ratings said on Twitter today that the team behind CryptoKitties will leave Ethereum and create its own blockchain. This is not surprising, as Ethereum has not yet expanded. A faster blockchain means fewer validators and vice versa. Why not launch a new blockchain to issue your own tokens. According to previous news, the public blockchain platform Flow developed by CryptoKitties development team Dapper Labs announced the launch of the interactive web development tool Flow Playground.