CPF, in short for Central Provident Funds, is a "social security system that enables working Singapore Citizens and Permanent Residents to set aside funds for retirement. It also addresses healthcare, home ownership, family protection and asset enhancement.".
Source: https://www.cpf.gov.sg/Members/AboutUs/about-us-info/cpf-overview
This is quoted from the CPF website and as defined by CPF. While most people would think that CPF is just applicable for old people, youngsters should definitely not neglect it. This is especially true due to the magic of compounding interest. So what are the schemes that people in their 20s should know?