Buying Telegram Stars works the same way whether the payment goes out in USDT or ETH — enter a username, choose an amount, and pay. The real difference between them comes down to which wallet already has funds.
1Enter the username and pick a Stars amount.
2Check the network fee shown for USDT on TRC-20 and ETH on Ethereum Mainnet before choosing.
3Pay with whichever asset is selected — the network fee is separate from the Stars price.
4Stars land on the account once the payment confirms.
Pros
+ Either USDT or ETH can be used without checking the market first.
+ The quoted amount at checkout is fixed regardless of price movement after.
Cons
− One may hold its value more predictably than the other depending on market conditions.
− Choosing based on price stability alone isn't necessary for a purchase this size.
Both USDT and ETH require a funded wallet where a card doesn't, but either one still lands Stars in about the same time as a card payment would, without the billing form.
Whether the fee ends up higher on TRC-20 or Ethereum Mainnet changes with network load — check the fee shown before confirming either payment.
Does it matter if USDT or ETH moves in price before I pay?+−
One may hold its value more predictably than the other depending on market conditions, but the quoted amount at checkout is what's charged either way.
Should I convert between USDT and ETH before buying Stars?+−
Not necessary — either asset can be used directly at checkout without converting first.