USDT Multi-Network Guide
KuCoin currently supports five USDT variants across different blockchain networks for deposits and withdrawals:
1. USDT-ERC20 (Ethereum Network)
- Protocol: ERC20
- Address Format: ETH-compatible (0x...)
- Transfer Network: Ethereum
- Key Feature: Compatible with all Ethereum wallets and DeFi applications
2. USDT-TRON (TRC20)
- Protocol: TRC20
- Address Format: TRON addresses (T...)
- Transfer Network: TRON
- Advantage: Lower transaction fees (~1 USD) compared to ERC20
3. USDT-KRC20 (KCC Network)
- Protocol: KRC20
- Address Format: KCC addresses
- Transfer Network: KuCoin Community Chain (KCC)
- Note: KCC is an Ethereum-compatible chain built by KuCoin's community
4. USDT-EOS
- Protocol: EOS
- Address Format: EOS account names
- Transfer Network: EOS
5. USDT-Algorand
- Protocol: ASA (Algorand Standard Asset)
- Address Format: Algorand-specific
- Transfer Network: Algorand
👉 Compare USDT network fees in real-time
BTC Deposit Options
Bitcoin Native Chains
| Format | Address Prefix | Supported Actions | Notes |
|---|---|---|---|
| Segwit | bc1... | Deposit/Withdraw | Recommended for lower fees |
| BTC (P2SH) | 3... | Deposit/Withdraw | Compatible with older wallets |
| Legacy | 1... | Withdraw-only | Not accepted for deposits |
Wrapped BTC Networks
- BTC-KRC20: KCC network's wrapped BTC (KRC20 protocol)
- BTC-TRC20: TRON network's BTC (Addresses start with "T")
Key Blockchain Protocols
| Protocol | Native Chain | Native Token | Use Case |
|---|---|---|---|
| ERC20 | Ethereum | ETH | Smart contracts, DeFi |
| TRC20 | TRON | TRX | High-speed transfers |
| KRC20 | KCC | KCS | KuCoin ecosystem projects |
| BEP2 | Binance Chain | BNB | Centralized exchange transfers |
| BEP20 | Binance Smart Chain | BNB | EVM-compatible DeFi |
Deposit Best Practices
Verify Contract Addresses
- Always confirm the token contract address before depositing, especially after protocol upgrades
Network Compatibility
- Never send native chain coins (e.g., BTC) to ERC20 addresses
Exchange-Specific Rules
- Some exchanges only support specific networks for certain tokens
FAQ
Q: Which USDT network has the lowest fees?
A: TRC20 (TRON) typically offers the lowest transaction costs (~1 USD per transfer).
Q: Can I withdraw BTC-Legacy to a Segwit address?
A: Yes, KuCoin supports cross-format BTC withdrawals.
Q: What happens if I send ERC20 tokens via the wrong network?
A: Funds may be permanently lost. Always triple-check the network before transferring.
Q: Is KCC better than Ethereum for transactions?
A: KCC offers faster/cheaper transactions but has fewer DeFi options compared to Ethereum.
Q: How do I identify TRC20 addresses?
A: All valid TRC20 addresses begin with "T" (e.g., TXYZ...).
Q: Why does KuCoin support multiple BTC formats?
A: To accommodate different wallet types - Segwit for modern wallets, Legacy for older systems.