walletpassphrase
This is needed prior to performing transactions related to private keys such as sending bitcoins Note:
Issuing the walletpassphrase command while the wallet is already unlocked will set a new unlock time that overrides the old one.
Argument #1-passphrase
Type: string, Required
Description: The wallet passphrase
Argument #2-timeout
Type: number (int), Required
Description: The time to keep the decryption key in seconds; capped at 100000000 (~3 years).
Result
null (json null)