Electrum

Developer's DescriptionBy Electrum TechnologiesStore and manage your bitcoins.Electrum is an easy to use Bitcoin client. It protects you from losing coins in a backup mistake or computer failure, because your wallet can be recovered from a secret phrase that you can write on paper or learn by heart. There is no waiting time when you start the client, because it does not download the Bitcoin blockchain.Improve your Bitcoin ExperienceSecuring Bitcoin payments since 2011, Electrum is one of the most popular Bitcoin wallets.Electrum is fast, secure and easy to use, and it stays on the edge of innovation.Two Factor AuthenticationBe safe from malware. Use two-factor authentication by Electrum and TrustedcoinMultisigSplit the permission to spend your bitcoins between several walletsFree and DecentralizedElectrum is free software. Both client and server.Hardware walletsElectrum supports Trezor, the first Bitcoin Hardware walletCold StorageSign transactions from a computer that is always offline. Broadcast them from a machine that does not have your keys