[How to Set Withdraw address?]
1. Visit Poolin.com - Mining Pool - Dashboard - Sub-account - Create a Sub-account
2. Set Sub-account Name and Enter Withdraw Address
[How to Modify Withdraw address?]
Sub-account manage - Setting-modify address - Set your new address as soon as possible so you can get the payment timely.
Setting - Withdrawal address - Modify address - Modify Withdrawal Address - Save