Etherscan is an important tool we must learn to use in order to quickly and directly access the information we need about the chain based on its open and transparent nature.
There are two types of Cryptocurrency wallets, namely a Custodial wallet - the private key is held by a third party and a Non-Custodial wallet - the users are in full control of their digital assets.
A crypto faucet is an app or site that pays a small amount of cryptocurrency to users for completing simple tasks, even though the rewards are often very small.