Blockchain is a decentralized technology that enables secure and tamper-proof storage of information across a network of computers. While cryptocurrency, such as Bitcoin and Ethereum, is a prominent application of blockchain, the technology has broader uses and potential applications beyond digital currencies.
The current banking system is primarily based on fiat currencies, such as the US dollar (USD), Singapore dollar (SGD), and euro (EUR). Fiat currencies are government-issued currencies that derive their value from the government's guarantee, rather than being backed by a physical commodity like gold. As a result, banks operate within traditional, centralized financial systems to manage and facilitate the exchange of these currencies.