Ledger introduction
A smart card-based Bitcoin hardware wallet that provides the highest level of technology-leading protection, usability and controllability. Bitcoin official website recommendation. The Ledger hardware wallet is a multi-functional wallet, a hardware device that securely stores private keys. When viewing the wallet and sending transactions, the hardware wallet needs to be used in conjunction with the software wallet. At the same time, it supports secure storage of Bitcoin, Ethereum and platform tokens, Zcash, etc. Its project has been open sourced on Github. Based on its hardware equipment, you can use either the software wallet developed by Ledger or the software wallet developed by other teams, that is, you can use Ledger with the Ethereum web wallet MyEtherWallet or Parity wallet.