Both TRC20 and ERC20 are popular token standards used for stablecoins like USDT. Understanding their differences helps you choose the right network for your transfers and minimize costs.
What is TRC20?
TRC20 is the token standard on the TRON blockchain. TRON was designed for high-throughput, low-cost transactions. TRC20-USDT is currently the most widely held form of Tether, with over 78.5 billion USDT issued on the TRON network — more than 50% of total USDT supply.
What is ERC20?
ERC20 is the token standard on the Ethereum blockchain. It is the original standard for USDT and many other tokens. Ethereum is the most recognized blockchain network, but its gas fees can be significantly higher than TRC20, especially during periods of high network congestion.
Key Differences
- Fees: TRC20 fees avg. $0.0003 vs ERC20 fees that can reach $5–$50
- Speed: TRC20 confirms in ~3 seconds vs ERC20 ~15 seconds to minutes
- Network: TRC20 uses TRON; ERC20 uses Ethereum
- Address: TRC20 addresses start with "T"; ERC20 addresses start with "0x"
Which Should You Use?
For everyday USDT transfers and payments, TRC20 is the preferred choice due to its speed and near-zero fees. For DeFi, NFTs, and Ethereum-based protocols, ERC20 is more appropriate. Always verify the network before sending — sending ERC20 USDT to a TRC20 address will result in loss of funds.
Never mix TRC20 and ERC20 addresses. A TRC20 address starts with "T"; an ERC20 address starts with "0x". Always double-check the network before confirming any transaction.