Stronghold (SHX) is a cryptocurrency that aims to provide a stable and secure means of transferring value over the internet. It is built on the Stellar blockchain, which allows for fast and low-cost transactions. Stronghold offers a range of financial services, including asset issuance, payment processing, and trading. Its stablecoin, Stronghold USD, is pegged to the US dollar to minimize volatility. Overall, Stronghold aims to streamline financial transactions and provide a reliable digital asset for users around the world.