Cryptocurrency is a form of digital currency that is rapidly growing in the modern technology era. Supported by Blockchain, every transaction is recorded transparently and securely. Assets like Bitcoin and Ethereum are popular choices among investors. In addition to investment, crypto is also used in various applications such as DeFi and NFT. Although it offers great profit opportunities, risks such as price fluctuations and security must still be considered. Therefore, it is important to understand the basics of crypto before getting more involved in this ecosystem.