Encrypt and Unlock Hydra Wallet
If you don't know how to deploy a Hydra node or don't know how to launch a Hydra wallet, please refer to the following instructions:
For command line users：Hydra core wallet commands
For GUI wallet users(common users)：Hydra for beginners
Important: After you encrypt the wallet or change your passphrase, please remember to backup your wallet again!!!
Please do all following things after you successfully installed and run a Hydra wallet:
Encrypt Wallet
For command line users
Hydra-cli command to encrypt wallet：
note that yourpassphraseis the user defined pass phrase, please remember it or you will lose your Hydra.
After encryption, all security related actions such as sending Hydra, staking, or dumping private keys will require using the passphrase to unlock the wallet.
For GUI wallet users
ChooseSetting-Encrypt Wallet in the menu, as following:
Create a new passphrase and repeat it. The wallet will restart after encryption.
After restart, there will be a lock icon shown on the bottom of the wallet, which means it is already encrypted and locked：
Unlock wallet
For command line users
Hydra-cli command to unlock wallet：
the first argument yourpassphrase is the passphrase you set for encryption, while the second is the unlock time in seconds, here 300 seconds or 5 minutes, after which time the wallet will automatically lock itself.
After unlocking, you can send Hydra or do other coin security related actions.
If you only want to unlock the wallet for staking only, please use：
The first two arguments are the same, and the 3rd argument true means you only want to unlock the wallet for staking only. After doing this, you can start staking, but other coin security related actions like sending Hydra or dumping a private key still require the passphrase to fully unlock your wallet.
For GUI wallet users
To fully unlock your wallet, go to “Settings - Unlock wallet”：
and enter the passphrase to unlock wallet. If you choose For staking only, it means you only unlock the wallet for staking，but other coin security related actions like sending Hydra or dumping a private key are still locked. So please unselect For staking only if you want to fully unlock your wallet. To unlock for staking only, you will also need to switch on the Staking button to activate staking as described below.
After unlocking, the lock icon on the bottom of the screen will show an open lock.
For wallet version 0.18.2 and greater, to unlock the wallet for staking only, use the main menu Stake option to show the Staking Page. Click the Staking button to the right and enter the passphrase (leave the checkbox set to "For staking only"):
NOTE For staking wallets, it you unlock for staking only using "Settings - Unlock wallet" as shown above, you will still need to select the main menu Stake option to visit this Stake Page, and click the Staking button to the right to activate staking.
After unlocking for staking only, the lock icon will show the hasp slightly opened.
Change passphrase
For command line users
command for change passphrase:
oldpassphrase is the current passphrase previously set，and newpassphrase is the new passphrase you want set.
For GUI wallet users
Go to “Setting - Change Passphrase” to change the passphrase：
enter old passphrase and new one to complete modification：
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