Tron (TRX) Explained: USDT-TRC20, Energy and Bandwidth Fees

Tron is a delegated proof-of-stake blockchain best known today as the main network for moving the USDT stablecoin, and TRX is its native token. Instead of paying a simple gas fee, Tron users spend two resources, bandwidth and energy, which they can get by staking TRX or pay for by burning it. This page explains that fee model with worked numbers, plus staking, supply, wallets and risks. Crypto assets are volatile and nothing here is financial advice.

What is Tron?

Tron is a layer-1 blockchain founded by Justin Sun. The project launched in September 2017 after an ICO that raised about $70 million, and its own mainnet went live on 31 May 2018. It runs Ethereum-style smart contracts on the Tron Virtual Machine, and its TRC-20 token standard mirrors Ethereum’s ERC-20. TRX pays for resources, is staked for voting and rewards producers.

The launch details come from Kraken’s Tron page, which also describes the Singapore-based TRON Foundation that oversaw early development. Tron addresses start with a capital T, which is the quickest way to tell a TRC-20 address from an Ethereum 0x address.

Although Tron hosts other tokens and apps, most of its everyday traffic is stablecoin payments. If you use Tron at all, it is very likely to send or receive USDT, so most of this page focuses on that use.

How does Tron’s delegated proof of stake work?

TRX holders stake their coins to get TRON Power, one vote per staked TRX, and vote for block producers. The 27 candidates with the most votes become Super Representatives and take turns producing a block every 3 seconds. A block becomes irreversible once at least 19 different Super Representatives have produced blocks at or above it, which typically takes about one minute.

The rules are set out in Tron’s consensus documentation. The top 127 candidates (the 27 active producers plus 100 partners) share voter rewards, the active set is recalculated at a maintenance update every 6 hours, and registering as a candidate costs a one-time, burned 9,999 TRX fee. Network parameters such as fees are changed by proposals that the Super Representatives vote on.

The trade-off is clear: 27 producers give fast, predictable blocks, but far fewer parties secure the chain than on Bitcoin or Ethereum. In practice, a small group of large holders and exchanges heavily influences which producers are elected.

Why is so much USDT on Tron?

Tron carries the largest share of the USDT stablecoin. Tether’s transparency data on 7 November 2026 showed about 92 billion USDT issued on Tron against about 81 billion on Ethereum, out of roughly 177 billion in circulation across all networks. Exchanges, payment services and over-the-counter desks adopted USDT-TRC20 because transfers are quick and cost a predictable amount, especially for users who keep resources staked.

The figures are calculated from Tether’s own transparency report (total tokens minus authorised-but-unissued tokens per network), and they change daily. For how USDT compares with other stablecoins on reserves, issuer risk and freezing powers, read USDT vs USDC vs DAI.

One practical consequence: when an exchange offers USDT withdrawals “via TRC20”, it means the Tron network. Sending TRC-20 USDT to an Ethereum address, or the reverse, is one of the most common ways people lose stablecoins. Always match the network on both sides before you send.

How do Tron fees work with bandwidth and energy?

Every Tron transaction uses bandwidth, measured in bytes of transaction size, and smart-contract calls such as a USDT transfer also use energy. You get these resources by staking TRX, by having them delegated to you, or, for bandwidth only, from a free allowance of 600 points per day. Whatever you cannot cover is paid by burning TRX at 1,000 sun per bandwidth and 100 sun per energy.

Tron’s resource model sets one important rule for bandwidth: each source must cover the whole transaction. If neither staked nor free bandwidth is enough, TRX is burned for the entire bandwidth cost, not just the shortfall. Energy works differently: available energy covers part of the cost and TRX is burned for the rest, up to the fee limit the sender sets. The burn rates on the paying for resources page are chain parameters, so check them before relying on any figure.

How much does it cost to send USDT on Tron?

Sending USDT on Tron uses about 64,000 energy if the recipient already holds USDT and about 130,000 energy if they do not, according to Tron’s developer documentation. With no staked energy, that burns about 6.4 TRX or 13 TRX respectively at 100 sun per energy, plus bandwidth. Staking enough TRX for energy, or receiving delegated energy, can reduce the cost to zero.

The energy figures are listed on Tron’s smart-contract errors page, which notes that USDT is affected by dynamic energy, so consumption fluctuates around these levels.

Example of the bandwidth rule: if a transaction needed 350 bandwidth points and your free allowance had already been used, the network would burn 350 x 1,000 sun = 0.35 TRX. Exchange withdrawal fees for USDT-TRC20 are set by each exchange and often include a margin on top of these network costs.

How does staking TRX work?

Under Tron’s Stake 2.0 system you stake TRX to receive either bandwidth or energy, plus TRON Power to vote. Voting for Super Representatives earns a share of the 128 TRX voter reward paid per block, depending on how much each producer passes on. Unstaking starts a waiting period of 14 days on mainnet before the TRX can be withdrawn, and staked resources can be delegated to other accounts.

The 14-day delay is chain parameter 70, described on Tron’s unstaking documentation, and can be changed by a Super Representative vote. If a producer misses its slot, its 8 TRX block reward and that slot’s 128 TRX voter pool are forfeited, so choosing a reliable producer matters.

Ledger’s Tron wallet page says TRX can be staked from the Ledger Wallet app, and Kraken offers TRX staking where eligible in your region. Staking on an exchange means the exchange holds your coins.

Does TRX have a maximum supply?

No. TRX has no hard cap. Each block creates an 8 TRX reward for the producer and a 128 TRX pool for voters, which at one block every 3 seconds is at most about 3.9 million TRX a day. Against that, every transaction that pays with burned TRX instead of staked resources destroys coins, so net supply can rise or fall depending on how busy the network is.

The reward values are chain parameters 5 and 31 in Tron’s consensus documentation. The daily maximum is our arithmetic: 28,800 blocks a day multiplied by 136 TRX, before any missed slots. Blockchain explorers such as Tronscan show the current total supply and burn.

Compare Bitcoin’s fixed 21 million supply and Ethereum’s fee burn, which works in a similar offsetting way.

Which wallets support Tron and USDT-TRC20?

TronLink is the best-known Tron wallet, available as a browser extension and mobile app and described by its operator as self-custodial. Ledger hardware wallets manage TRX in the Ledger Wallet app, and many multi-chain wallets, such as Trust Wallet, also support TRC-20 tokens. Make sure the wallet shows a Tron address starting with T before receiving USDT-TRC20.

TronLink’s official site lists support for TRX, TRC-10, TRC-20 and TRC-721 tokens and staking, with extension support for some other networks. For comparisons with MetaMask and Phantom, see MetaMask vs Trust Wallet vs Phantom; for hardware options, read Ledger vs Trezor vs Coldcard.

A self-custody Tron wallet needs some TRX for fees, otherwise you cannot move the USDT in it. Keep a small TRX balance, or stake for energy if you send often. Never share your recovery phrase; read how to store a seed phrase for safe backups.

Where can you buy TRX?

TRX is listed on large exchanges including Binance and Kraken, where Kraken offers buying, selling and, where eligible, staking. Which platform you can use depends on your country. If you only need TRX to pay fees for USDT transfers, a small amount is enough, and many exchanges let you withdraw USDT directly on the Tron network.

See our Binance review (Binance does not serve US residents; Binance.US is a separate company) and Kraken review for licences and fees. Before your first withdrawal, follow the test-transaction steps in how to move crypto from an exchange to a wallet.

What are the main risks of Tron?

The main risks are concentration among 27 block producers, the past US enforcement case against Tron’s founder, the issuer’s ability to freeze USDT, and scams that target USDT-TRC20 users. The SEC sued Justin Sun and the Tron Foundation in March 2023; in March 2026 it dismissed all claims against them with prejudice, while a Sun-owned company, Rainberry, agreed to a $10 million penalty.

• Enforcement history. The SEC’s 22 March 2023 complaint alleged unregistered offers of TRX and BTT and more than 600,000 wash trades of TRX from April 2018 to February 2019. The 5 March 2026 litigation release describes the settlement and dismissals, without any finding on the allegations against Sun.
• Freezes. Tether can freeze USDT at the issuer level. With TRM Labs and Tron it ran the T3 Financial Crime Unit from September 2024, which Tether said had frozen over $450 million in illicit assets by 14 May 2026; Bitcoin Magazine, citing Bloomberg, reported that the unit wound down in late August 2026. A frozen address cannot move its USDT.
• Scams. Fake investment platforms and “task” schemes often ask victims to pay in USDT-TRC20. Address poisoning, where a scammer sends a tiny transfer from a look-alike address, tricks people into copying the wrong address from their history.
• Exchange risk. USDT and TRX on an exchange depend on that exchange’s solvency; see is it safe to keep crypto on an exchange.