I do not think that the word "swap
*" is correct, and therefore you need to either use CEXs where you will deposit cardano (ADA) and then decide to withdraw Tether (USD T) on TRON, ETH, plogon or any blockchain, or DEXs, but with higher fees and the same amount of centralization.
There are two good options if you don't want to verify your KYC which are OKX
[1] and kucoin
[2].
And you can click on the link in
my signature to search for multiple options.
[1]
https://www.okx.com/[2]
https://www.kucoin.com/* Swap allows users to easily exchange one cryptocurrency for another without leaving their Blockchain