This is a Binance Copy Trading / Binance Square share link.

app.binance.com/uni-qr/cpos/ = Copy Portfolio/Position share. When you open it in the Binance app it shows a lead trader's futures position and gives you a button to copy it.

Your link specifically is:

Creator: DuongNguyenswap on Binance Square
Coin: $DOT (Polkadot) - his recent posts are all "$DOT boom" long positions
Type: Futures copy trading - Binance lets you "follow and replicate the trading portfolios and strategies of lead traders"

So it's basically "sit at your desk monitoring market and buying/selling quickly" but automated - you copy someone else.

What happens if you open it?

Binance app opens to that trader's DOTUSDT Perp position
You see his entry, TP/SL, and realized PnL
You get options for Fixed Amount / Fixed Ratio to copy
The link has r=XUOBQN07 - that's his referral code, so if you sign up or copy, he gets a commission.

Before you click Copy

Copy trading futures is high-risk, especially with leverage on DOT:

Past PnL is not a guarantee - that +3,247 USDT closed PnL you see on his profile can change fast
Check his stats inside the app: 30-day win rate, max drawdown, how long he's been trading, and whether he uses stop-loss
Only use money you can afford to lose, and start with a small test amount

It's a legit Binance domain, not a phishing link.

What do you want to do with it - you want me to check this trader's recent performance, explain DOT, or help you understand how copy trading settings work?