Glossary · Standards

What is TRC-20?

TRC-20 is the token standard of Tron: the EVM-style interface (Tron's virtual machine is a sibling) applied to a chain chosen for cheap, fast transfers. Its claim to fame is USDT-on-Tron, for years the busiest dollar rail on any blockchain.

For payments the pitch is cost: transfers settle in seconds for fees measured in cents, which is why dollar flows that used to ride correspondent banks ride TRC-20 instead.

How TRC-20 works

TRC-20 is the token standard on Tron: the Tron equivalent of ERC-20, defining the same shape of interface, transfers, balances, and approvals, implemented as smart contracts on Tron's virtual machine. A TRC-20 token behaves the way any EVM-family token behaves, settled on Tron's chain with TRX as gas.

Tron's profile in payments comes from its cost and reach history: consistently negligible fees and deep usage in stablecoin circulation, particularly USDT on Tron, which became one of the most-used settlement paths in crypto out of pure fee economics. For corridors where USDT is the lingua franca, the Tron deployment is often the deepest and cheapest.

For users, the operational notes are the family's usual ones, plus the specifics: gas is TRX, so a transacting wallet holds a little of it; approvals work as the standard prescribes; and the chain's finality runs at its own block cadence. For merchants settling USDT, the Tron leg is frequently the one worth having.

One practical differentiator from the EVM experience worth knowing: Tron's account and energy model means resource costs can be handled through staked TRX rather than per-transaction fees, which heavy users employ to make costs even more predictable. Casual users simply pay the negligible fee; the option matters to operations running high transaction counts where flat economics beat per-unit metering.

TRC-20 in practice

A merchant settling USDT sees meaningful traffic from Tron addresses: buyers whose USDT lives there pay with negligible fees, and the receipts settle through the same checkout as every other asset, the standard making the chain one more configuration rather than a separate world.

TRC-20 on U.CASH

Tron is a first-class network on U.CASH: TRC-20 tokens settle to checkouts and swaps non-custodially, with Tether-on-Tron one of the deepest pairs on the network.

If your buyers hold stablecoins, some of them hold them on Tron, and the fee economics explain why. Accepting the Tron deployment of the tokens you settle in meets those buyers where their wallets already are.

Related standards terms

ERC-20Token-2022 (SPL)ISIN

See also

ERC-20Tether on Tron

TRC-20: FAQ

Is TRC-20 the same as ERC-20?
Same idea, different chain: the interface is compatible, the networks are not. A TRC-20 token lives on Tron and moves by Tron transactions; the asset pages keep the two straight by contract.
Why is USDT so big on Tron?
Cost and speed at dollar scale: cents and seconds, 24/7, to any wallet. Where the rail is cheaper than the correspondent bank, the traffic moves.
Is TRC-20 the same as ERC-20?
Same interface family, different chain: TRC-20 runs on Tron with TRX gas. Wallets and contracts follow the same shape, so behavior transfers; the settlement rail does not.
Why is USDT on Tron so common?
Fee history: negligible costs at scale made it a preferred settlement path for stablecoin flows, and liquidity followed usage until it became self-reinforcing.
What do I need to receive TRC-20 tokens?
A Tron address in your receiving configuration and a little TRX for gas on the occasions you spend from it. Receiving itself costs nothing.
Keep reading

The glossary, A to Z

Every term behind the rails, the assets, and the settlement.