A bitcoin faucet is a reward system, in the form of a website or app, that dispenses rewards in the form of a satoshi, which is a hundredth of a millionth BTC. for visitors to claim in exchange for completing a captcha or task as described by the website.
Rewards are dispensed at various predetermined intervals of time as rewards for completing simple tasks such as captcha completion and as prizes from simple games. Faucets usually give fractions of a bitcoin, but the amount will typically fluctuate according to the value of bitcoin.
Users get involved with faucets because they have a desire to learn more about the industry and are excited at the prospect of earning free bitcoins. The process is safe and secure, it's a risk-free way to get started in the crypto industry without having to spend any of your own money.