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Controller Account Deprecation

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Removing Existing Controller Account

There will soon be a change to Polkadot and Kusama which will start to remove Controller accounts. Previously a Stash / Controller account set up was used to ensure that the users Stash account (think of this as a savings account) remained somewhat offline, and instead actions related to staking were carried out by the Controller account – which if compromised couldn't transfer / steal funds from the Stash account for example.
At first the ability to create new Controller accounts will be removed, and then eventually support for Controller accounts may be removed all together. Instead Proxies will be heavily utilized going forward, including the Staking Proxy type.
You should issue the following extrinsic from your account, it will change your Controller account to be your Stash account.
staking setController()

Adding Staking Proxy

As these changes are somewhat new, there might not be support for Staking Proxies with certain dApps / Wallets. It may be worth holding off from adding a Staking Proxy until more support is added.
At the moment setting a Staking Proxy requires a reserve deposit of around 20 DOT. This deposit will be redeemable once the Staking Proxy configuration is removed.
To add a Staking Proxy via the accounts page:
  1. 1.
    Navigate to the Polkadot JS Apps Portal, and then select Accounts -> Accounts.
  2. 2.
    Select the 3 vertical dots to the right of the send button on your account.
  1. 3.
    Select "Add proxy", and then select "Add proxy" once again.
  1. 4.
    Select the desired account that you wish to set as the Staking Proxy.
  2. 5.
    Change the type to "Staking".
  1. 6.
    Select Submit and sign the transaction.