can i trade crypto on oanda

https://www.oanda.com/sg-en/trading/

Yes, you can trade cryptocurrencies on OANDA's platform.

Since you provided its website in Singapore, we went to check information regarding cryptocurrencies and the attached is the screenshot offering relevant information for reference purposes.

It seems to offer major cryptocurrencies as CFDs in this country. Therefore, we strongly suggest you contact their customer services for further details.