In a broad sense, any risk-taking behavior for profit can be called speculation; in a narrower sense, speculation refers to risky investment behavior that takes advantage of fluctuations in the price of commodities or financial assets in the market.
The stock market is vast and risky. If you want to enter the stock market, you must first know what stocks are, what they can bring to you, and the value and risk of investing in the stock market
Ethereum is more effective than pure cryptocurrency. Through Ethereum, users can create any decentralized application (i.e. DApp) and smart contract. Theoretically, programmable Ethereum can be used for any economic or governance activities.
In short, Ethereum is similar to the blockchain version of Android and iOS systems, a blockchain APP platform. Ethereum is a global open source platform for decentralized applications (DApp). The name comes from Ether and the suffix ruem (Greek meaning is "oil")
