By Anton Bridge and Rae Wee TOKYO (Reuters) -From the launch of new products and services in Japan to facilitating leveraged trading bets, crypto exchanges and some financial firms are rushing to cash in on rising investor enthusiasm for digital assets amid hopes of easing regulations. The recent surge underscores a higher appetite for riskier investments in Japan as inflation outpaces wage growth and overrides a wariness around crypto ​investments that followed serious security breaches at exchanges in ...