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In this section we will discuss how you can stake using Nexis CLI

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Prerequisites

Command Line Interface

Nexis CLI should be installed

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Create a Stake Account

To delegate stake, you will need to transfer some tokens into a stake account. To create an account, you will need a keypair. Its public key will be used as the stake account address. No need for a password or encryption here; this keypair will be discarded right after creating the stake account. 
nexis-network-keygen new --no-passphrase -o stake-account.json
The output will contain the public key after the text pubkey:. 
pubkey: GKvqsuNcnwWqPzzuhLmGi4rzzh55FhJtGizkhHaEJqiV
Copy the public key and store it for safekeeping. You will need it any time you want to perform an action on the stake account you create next. Now, create a stake account: 
nexis create-stake-account --from <KEYPAIR> stake-account.json <AMOUNT> \
--stake-authority <KEYPAIR> --withdraw-authority <KEYPAIR> \
--fee-payer <KEYPAIR>
<AMOUNT> tokens are transferred from the account at the “from” <KEYPAIR> to a new stake account at the public key of stake-account.json. The stake-account.json file can now be discarded. To authorize additional actions, you will use the --stake-authority or --withdraw-authority keypair, not stake-account.json. View the new stake account with the nexis stake-account command: 
nexis stake-account <STAKE_ACCOUNT_ADDRESS>
The output will look similar to this: 
Total Stake: 5000 NZT
Stake account is undelegated
Stake Authority: EXU95vqs93yPeCeAU7mPPu6HbRUmTFPEiGug9oCdvQ5F
Withdraw Authority: EXU95vqs93yPeCeAU7mPPu6HbRUmTFPEiGug9oCdvQ5F

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Set Stake and Withdraw Authorities

Stake and withdraw authorities can be set when creating an account via the --stake-authority and --withdraw-authority options, or afterward with the nexis stake-authorize command. For example, to set a new stake authority, run: 
nexis stake-authorize <STAKE_ACCOUNT_ADDRESS> \
--stake-authority <KEYPAIR> --new-stake-authority <PUBKEY> \
--fee-payer <KEYPAIR>
This will use the existing stake authority <KEYPAIR> to authorize a new stake authority <PUBKEY> on the stake account <STAKE_ACCOUNT_ADDRESS>.

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Advanced: Derive Stake Account Addresses

When you delegate stake, you delegate all tokens in the stake account to a single validator. To delegate to multiple validators, you will need multiple stake accounts. Creating a new keypair for each account and managing those addresses can be cumbersome. Fortunately, you can derive stake addresses using the --seed option: 
nexis create-stake-account --from <KEYPAIR> <STAKE_ACCOUNT_KEYPAIR> --seed <STRING> <AMOUNT> \
--stake-authority <PUBKEY> --withdraw-authority <PUBKEY> --fee-payer <KEYPAIR>
<STRING> is an arbitrary string up to 32 bytes, but will typically be a number corresponding to which derived account this is. The first account might be “0”, then “1”, and so on. The public key of <STAKE_ACCOUNT_KEYPAIR> acts as the base address. The command derives a new address from the base address and seed string. To see what stake address the command will derive, use nexis create-address-with-seed: 
nexis create-address-with-seed --from <PUBKEY> <SEED_STRING> STAKE
<PUBKEY> is the public key of the <STAKE_ACCOUNT_KEYPAIR> passed to nexis create-stake-account.

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Delegate Stake

To delegate your stake to a validator, you will need its vote account address. Find it by querying the cluster for the list of all validators and their vote accounts with the nexis validators command: 
nexis validators
The first column of each row contains the validator’s identity and the second is the vote account address. Choose a validator and use its vote account address in nexis delegate-stake: 
nexis delegate-stake --stake-authority <KEYPAIR> <STAKE_ACCOUNT_ADDRESS> <VOTE_ACCOUNT_ADDRESS> \
--fee-payer <KEYPAIR>
The stake authority <KEYPAIR> authorizes the operation on the account with address <STAKE_ACCOUNT_ADDRESS>. The stake is delegated to the vote account with address <VOTE_ACCOUNT_ADDRESS>. After delegating stake, use nexis stake-account to observe the changes to the stake account: 
nexis stake-account <STAKE_ACCOUNT_ADDRESS>
You will see new fields “Delegated Stake” and “Delegated Vote Account Address” in the output. The output will look similar to this: 
Total Stake: 5000 NZT
Credits Observed: 147462
Delegated Stake: 4999.99771712 NZT
Delegated Vote Account Address: CcaHc2L43ZWjwCHART3oZoJvHLAe9hzT2DJNUpBzoTN1
Stake activates starting from epoch: 42
Stake Authority: EXU95vqs93yPeCeAU7mPPu6HbRUmTFPEiGug9oCdvQ5F
Withdraw Authority: EXU95vqs93yPeCeAU7mPPu6HbRUmTFPEiGug9oCdvQ5F

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Deactivate Stake

Once delegated, you can undelegate stake with the nexis deactivate-stake command: 
nexis deactivate-stake --stake-authority <KEYPAIR> <STAKE_ACCOUNT_ADDRESS> \
--fee-payer <KEYPAIR>
The stake authority <KEYPAIR> authorizes the operation on the account with address <STAKE_ACCOUNT_ADDRESS>. Note that stake takes several epochs to “cool down”. Attempts to delegate stake in the cool down period will fail.

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Withdraw Stake

Transfer tokens out of a stake account with the nexis withdraw-stake command: 
nexis withdraw-stake --withdraw-authority <KEYPAIR> <STAKE_ACCOUNT_ADDRESS> <RECIPIENT_ADDRESS> <AMOUNT> \
--fee-payer <KEYPAIR>
<STAKE_ACCOUNT_ADDRESS> is the existing stake account, the stake authority <KEYPAIR> is the withdraw authority, and <AMOUNT> is the number of tokens to transfer to <RECIPIENT_ADDRESS>.