Transferring cryptocurrencies safely and efficiently requires a solid understanding of blockchain networks—also known as mainnets. Choosing the wrong network can result in irreversible fund loss, delayed transactions, or excessive fees. This guide focuses on four widely used digital assets: Bitcoin (BTC), Ethereum (ETH), Tether (USDT), and Binance Coin (BNB). By mastering their transfer protocols, you'll build a strong foundation applicable to countless other cryptocurrencies.
Whether you're sending funds to an exchange, a wallet, or another user, selecting the correct mainnet is critical. Let’s explore each cryptocurrency and its standard transfer network, followed by practical examples to ensure clarity and accuracy.
Bitcoin (BTC): Transferring via the Bitcoin Network
Bitcoin, the world’s largest cryptocurrency by market cap, operates exclusively on the Bitcoin network. When transferring BTC, always confirm that both the sending and receiving platforms support native Bitcoin transactions.
👉 Discover how to securely transfer Bitcoin using trusted platforms.
Avoid selecting alternative networks like BEP2 or ERC-20 when dealing with BTC—these are not compatible with Bitcoin’s blockchain. Sending BTC over an unsupported network may lead to permanent loss of funds. Most reputable exchanges and wallets automatically default to the correct Bitcoin mainnet, but manual verification is highly recommended before confirming any transaction.
Ethereum (ETH): Built on the ERC-20 Standard
Ethereum, the second-largest cryptocurrency, runs on its own blockchain using the ERC-20 standard. All ETH transfers should use the Ethereum network to maintain compatibility and security.
Just like with Bitcoin, never attempt to send ETH via BEP2, TRC-20, or any non-native network. While some platforms offer cross-chain options through bridges, standard transfers must remain on the Ethereum mainnet unless intentionally swapping chains via a verified decentralized bridge.
Always double-check the withdrawal interface for the network selection dropdown. Reputable platforms like OKX clearly label available networks for each asset, reducing user error.
Tether (USDT): Why TRC-20 Is Most Common
Tether (USDT) is unique because it exists across multiple blockchains. However, the most frequently used network for USDT transfers is TRC-20, which operates on the Tron blockchain.
The reason? Low transaction fees. Sending USDT via TRC-20 typically costs around 1 USDT, making it ideal for frequent or small-value transfers. In contrast, transferring USDT over the Ethereum network (ERC-20) can incur significantly higher gas fees—sometimes exceeding $10 during peak congestion.
While BEP-20 (Binance Smart Chain) and ERC-20 are also supported by many exchanges, TRC-20 remains the default choice for most users and platforms due to cost efficiency. Always match the sender’s selected network with the recipient’s receiving address format.
For example:
- If the receiving wallet or exchange provides a TRC-20 USDT address (starting with
T), select TRC-20 when withdrawing. - If it's a BEP-20 address (starting with
0x), choose BEP-20 instead.
Misalignment leads to lost funds—so verify carefully.
👉 Learn how to transfer stablecoins like USDT with minimal fees and maximum speed.
Binance Coin (BNB): Use BEP-20, Not BEP-2
Binance Coin (BNB), the fourth-largest cryptocurrency by market cap, primarily uses the BEP-20 network—part of Binance Smart Chain (now known as BNB Chain).
Although BNB originally launched on the BEP-2 network, BEP-20 is now the standard for most transfers, especially when interacting with decentralized applications (dApps), DeFi protocols, or modern centralized exchanges.
Avoid selecting BEP-2 unless explicitly required by a legacy system. Most wallets no longer support BEP-2 deposits, increasing the risk of loss if used incorrectly.
When withdrawing BNB from an exchange or sending from a wallet:
- Choose BEP-20 (BSC) as the network.
- Confirm the recipient address starts with
0x. - Ensure sufficient BNB is available for gas fees.
Practical Examples: Avoiding Real-World Mistakes
Understanding theory is important—but applying it correctly matters more. Here are two real-world scenarios that demonstrate proper network selection.
Example 1: Transferring ETH from Binance to MetaMask
Imagine you want to move Ethereum from your Binance account to your MetaMask wallet.
- Open MetaMask and copy your ETH receiving address (starts with
0x). - Log into Binance and navigate to “Withdraw” > “Cryptocurrency.”
- Select ETH as the asset.
- Before entering the amount, locate the network selection field.
- Choose ERC-20 (this refers to the Ethereum mainnet).
- Paste your MetaMask address and confirm.
By aligning both sides with the ERC-20 standard, your transaction will succeed without issues.
Example 2: Sending USDT from MaiCoin Max to Binance
Suppose you’re transferring USDT from Taiwan-based MaiCoin Max to Binance.
- In Binance App, go to “Deposit” > “USDT.”
- You’ll see multiple network options: TRC-20, BEP-20, ERC-20, etc.
- Select TRC-20 (recommended for low fees).
- Copy the provided TRC-20 deposit address.
- On MaiCoin Max, choose “Send USDT” and paste the address.
- Crucially, ensure you select TRC-20 as the withdrawal network.
If Max doesn’t list TRC-20 as an option, contact support or consider using BEP-20 instead—but never send via ERC-20 unless confirmed safe.
👉 See how top platforms streamline USDT deposits with automatic network detection.
Frequently Asked Questions (FAQ)
Q: What happens if I send crypto using the wrong network?
A: Sending cryptocurrency via an unsupported network may result in permanent loss of funds. For example, sending BTC over ERC-20 will not reach the intended address and likely cannot be recovered. Always verify network compatibility before confirming.
Q: Can I recover funds sent on the wrong chain?
A: Recovery is rare but possible in some cases—if the receiving platform controls both blockchains involved (like major exchanges). Contact customer support immediately with your transaction ID (TXID). However, peer-to-peer mistakes usually have no recovery path.
Q: Why does USDT have multiple networks?
A: USDT is a stablecoin issued across various blockchains (Ethereum, Tron, BNB Chain). This allows flexibility in speed and cost. However, each version only works on its respective chain—so choosing correctly is essential.
Q: Is BEP-2 still usable for BNB?
A: While BEP-2 exists, it’s largely obsolete. Most services now use BEP-20 (on BNB Chain). Unless specifically instructed otherwise, always use BEP-20 for BNB transfers.
Q: How do I know which network my wallet supports?
A: Check your wallet’s documentation or deposit page. For example, MetaMask supports ERC-20 and BEP-20 but not TRC-20 natively. For Tron-based assets, you’ll need a Tron-compatible wallet like TronLink.
Q: Are there tools to help prevent wrong-network transfers?
A: Yes—platforms like OKX use intelligent systems that detect mismatched addresses and warn users before submission. These safeguards reduce human error significantly.
Final Thoughts
Mastering cryptocurrency transfers boils down to one principle: match the token with its correct mainnet. Whether you're moving Bitcoin on its native chain or leveraging low-cost TRC-20 for USDT, attention to detail prevents costly mistakes.
As blockchain ecosystems evolve, new networks and bridging solutions emerge—but core safety practices remain unchanged. Stay informed, double-check every transaction, and leverage secure platforms that prioritize user protection.
By following these guidelines, you’ll confidently navigate crypto transfers while minimizing risks and optimizing costs.