Guides
Step-by-step walkthroughs for common stablecoin tasks.
Guides
How to Choose Your First U-Card: A 5-Step Framework
New to crypto cards? This framework walks you through region, fees, KYC, asset support, and cashback — so you pick the right U-card on the first try.
Guides
TRC-20 vs ERC-20: How to Send USDT Without Losing It
The two networks that move most USDT, compared on fees, speed, and support — plus the wrong-chain trap that burns newcomers and how to avoid it every time.
Guides
How to Top Up a Crypto Card with USDT (Step by Step)
From exchange account to spendable card balance: picking the right network, avoiding the wrong-chain trap, and verifying the whole loop with a small amount first.