👉 Wallet
      The wallet is where you store your private keys (similar to the password for logging into Blockchain databases, which means the wallet does not store Bitcoin but stores the private keys used to authenticate you) that amount) of Bitcoin. You can understand it as an ATM machine, which will generate free and unlimited number of Private and Public keys. The only difference is that the wallet does not store the private key information, so if the private key is lost, it will be permanently lost.
       Wallets (wallet) have many types, depending on the features and structure: Hard wallets, web wallets, soft wallets, paper wallets ... The safest type is hardware wallets and paper wallets, the worst is hot wallets (floor wallets), each Types of wallets will have different usage.