Prosecutors are looking into whether to bring Ponzi fraud charges against CEO Do Kwon of Terraform Labs, sources said Friday, a day after investors sued him over the shocking crash of the firm's two cryptocurrencies. In a crash starting last week, Terraform's two main tokens, TerraUSD and sister coin Luna, had registered more than 99.99 percent falls from their highs, wiping out more than $38 billion of investors' money in a week, according to data by CoinMarketCap. Financial authorities said ab