# Buy USD with Discount
# Introduction
You can invest WAVES in NSBT — the asset that has guaranteed right to be exchanged to USDN in the future at 1:1 rate.
Note: USDN (or Neutrino) is the unique innovative algorithmic stable coin, that always has $1 exchange rate (1 USDN = 1 USD). For details see Neutrino website and Stake Assets article.
# How to Invest WAVES in NSBT
Open Waves.Exchange app, login to your account and navigate to the Investments tab. Then click USD with Discount.
My Balances page displays important information such as current WAVES price in USD, current USD discount, your WAVES, NSBT and USDN balances. The displayed total balance is the total amount of your funds: available + reserved. For more details, see FAQ.
Note: You need to have at least 10 WAVES to invest in NSBT. To get WAVES follow the steps described in Buy Cryptocurrency with a Bank Card article. You can also get WAVES by trading, as described in Start Trading on Waves.Exchange article.
To invest WAVES in NSBT, navigate to I Want to Invest tab, fill in the Amount field and click Invest WAVES.
Your NSBT balance will be updated with the next block update. After that the received amount of NSBT will be automatically exchanged to USDN at the rate of 1:1 at the moment when the USD Discount is 0%. The NSBT to USDN exchange procedure usually takes 1 week to 6 months.
# How to Exchange NSBT to USDN
Open Waves.Exchange app, login to your account and navigate to the Investments tab. Then click USD with Discount.
If you already have NSBT and want to exchange it to USDN, navigate to I have NSBT tab, fill in the Amount field and click Receive USDN.
Note: You can get NSBT by trading, as described in Start Trading on Waves.Exchange article.
The NSBT to USDN exchange procedure usually takes 1 week to 6 months. The amount of NSBT that you requested to exchange will be automatically exchanged to USDN at the rate of 1:1 at the moment when the current USD Discount is 0%.
Transactions can be reviewed in My Investments tab. You can cancel transactions that are not completed. Unresolved funds, involved in the canceled transaction, will be refunded to your balance. Cancelled transactions are removed from the queue. If you need to exchange NSBT to USDN again you will need to create new request that will take the same amount of time to complete (1 week to 6 months).
To exchange USDN to USD, trade the assets as follows:
- Exchange USDN to Bitcoin (BTC).
- Exchange BTC to USD via any appropriate exchange.
For details about trading see Start Trading on Waves.Exchange article.
See more articles in the Asset Management chapter.
If you have difficulties with Waves.Exchange, please create a support ticket or write a question on our forum.