LOL that's not the right question ! All tethers are NOT running on any "chain" but on a centralized SQL database. The question is WHY do you support fiat. All tethers are literally fiat, aka scams. Perpetuating their use the fucking idiocy.

Did some experiments. There are a variety of bad options, but the main question was 1) how do we have our user pay very small amounts with very low fees 2) what is going to be compatible with what our user wants ... after some experimentation we came to the same conclusion that Block has (

Cash App Stablecoin Payments: Jack Dorsey Integrates USDC on Solana for Seamless Crypto Transactions

) -- basically that Solana is the "best of the worst" if you want to touch stablecoins. Tron's fee structure is an outright scam where they want you to "stake" Tron in order to send with reasonable fees.