The crypto exchange Kraken just launched 24/7 leveraged access to stocks, indices and key assets using the blockchain.The exchange is offering tokenized equity perpetual futures contracts with regulated benchmarks to eligible non-US clients in over 110 countries.Initial contracts track tokenized versions of major assets: S&P 500 via SPYx Perps, Nasdaq 100 via QQQx Perps, gold via GLDx Perps, and individual stocks including Nvidia (NVDAx), Apple (AAPLx), Alphabet (GOOGLx), Tesla (TSLAx), Robinhood (HOODx), M ...