After you have clicked "confirm" you will get a notification in a top bar of the site - as seen below.

Demonstration: Kraken.com > Funding > Withdraw > Type > Tether USD (TRC-20) > Wallet Address > Amount > Notification [top bar]

You can also get live transactions statuses as your request is being processed.

Demonstration: Kraken.com > Funding > Withdraw > Transaction Status > Initiated

Demonstration: Kraken.com > Funding > Withdraw > Transaction Status > Pending

Demonstration: Kraken.com > Funding > Withdraw > Transaction Status > Sending

Demonstration: Kraken.com > Funding > Withdraw > Transaction Status > Success

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