A cryptocurrency is a digital asset designed to work as a medium of exchange that uses strong cryptography to secure financial transactions, control the creation of additional units, and verify the transfer of assets. Cryptocurrencies use decentralized control as opposed to centralized digital currency and central banking systems. Cryptocurrencies leverage blockchain technology to gain decentralization, transparency, and immutability.
ETH is digital money and can be sent to anyone anywhere in the world instantly. Launched in 2015, Ethereum is the world’s leading programmable blockchain. The supply of ETH isn't controlled by any government or company. It is decentralized, and it is scarce. People all over the world use ETH to make payments, as a store of value, or as collateral. But unlike other blockchains, Ethereum can do much more. Ethereum is programmable, which means that developers can use it to build new kinds of applications.
Ethereum is a global, decentralized platform for money and new kinds of applications. On Ethereum, you can write code that controls money, and build applications accessible anywhere in the world.
Samurai ETH Faucet is an ethereum faucet which is a reward system that dispenses rewards in the form of a gwei (a hundredth of a millionth ETH) for visitors to claim in exchange for completing a captcha or task as described by the website.