KuCoin is a Singaporean cryptocurrency exchange.
You can create your account on KuCoin using our referral code: https://www.kucoin.com/ucenter/signup?rcode=1s1PNge
Using this link, you'll get a bonus.
There you can:
Buy and Sell DOT and KSM tokens
Stake DOT and KSM tokens
Participate on Parachains Auctions, on Polkadot, via Crowdloans