A trade war misstep? China is vacating crypto battlefield to US banks At the same time that China has declared war on cryptocurrencies, giant American banks appear to be embracing crypto — evident the final week of July with the news that crypto firm Lukka will provide State Street (NYSE:) Bank’s private fund’s clients with digital and crypto asset fund administration services. This follows forays into the crypto space from the likes of BNY Mellon (NYSE:) , JPMorgan (NYSE:) , Citigroup (NYSE:) and Goldman Sachs (NYSE:) among traditional bank heavyweights. Is it too early to speak of trend and counter-trend?…