A bond is a financial contract, a debt instrument issued to investors by governments, financial institutions, industrial and commercial enterprises, etc. to raise funds by borrowing directly from society, while promising to pay interest at a certain rate and repay the principal on agreed terms.
Ether is the other mainstream currency alongside Bitcoin. Among the thousands of virtual currencies, Ethereum has the second largest market capitalization in the world, after bitcoin.
Bitcoin has the mathematical characteristics of money (durability, portability, interchangeability, scarcity, separability and identifiability), but it does not rely on physical characteristics (such as gold and silver) or the trust of the central authority (such as fiat currency).
Litecoin was one of the first cryptocurrencies to enter the market. When it was first launched in 2011, it was known as "Bitcoin Gold and Lite Silver" alongside Bitcoin because its blockchain was mostly derived from the Bitcoin code.
Bit is the unit of information in the digital world, so Bitcoin is naturally the currency of the digital world. Bitcoin is a digital currency with significant value in the real world. Therefore, Bitcoin can be used to exchange dollars, yen or any other currency in the world. Bitcoin can usually be abbreviated as "BTC".