(Take ETH to myetherwallet as example.)
Step 1 ：Copy your account address from myetherwallet.
Access your wallet and copy the address.
Step 2: Add the address from myetherwallet as a withdrawal address on your OTCBTC account.
Login to your own account and look for ETH in “My Wallet” and then click “Withdraw”.
Click “Add Address” on the withdrawal page.
To identify your different addresses, enter your address label. Paste the copied ETH address from myetherwallet and check the small box, and then click “Create”.
Please check if your created address is correct or not. (Ex: Make sure the coin is the one you want to withdraw, such as ETH, you have to create ETH withdrawal address.)
Step 3: Apply for withdrawal on OTCBTC.
Click “Withdraw” on the withdrawal page.
Write down the amount of coins you want to withdraw and withdrawal note. Enter the code from your Google Authenticator and check the small box and then click “Submit”.
You will see a reminder like this. Click "I Got it" once you've read the message.
Log in your email and look for the confirmation email. If it’s all correct, click the "Confirm" link.
Click "Confirm to Withdraw" and then click "OK" in the pop-up window
You could look at the information in “Transaction History”.
You will receive an Email after your withdrawal arrives.
Congratulations! Your withdrawal has completed.