What is the 'send on-chain' option in Coinbase?

Choosing the "send on-chain" option in Coinbase allows direct blockchain transfers, offering greater flexibility but requiring network fees and confirmation times.

Jul 09, 2025 at 03:00 pm

Understanding the 'Send On-Chain' Option in Coinbase

When using Coinbase, users are often presented with multiple options for sending cryptocurrency. One of these is the "send on-chain" option, which may seem confusing to new users unfamiliar with blockchain mechanics. This feature allows users to transfer digital assets directly on the underlying blockchain network rather than through an internal system.

The "send on-chain" option means that your transaction will be broadcasted and recorded on the public blockchain. Unlike internal transfers between Coinbase accounts, which do not touch the blockchain and are instant, this method involves paying a network fee and waiting for confirmations from the network.

---

How On-Chain Transactions Work

On-chain transactions occur when data (i.e., a cryptocurrency transfer) is permanently recorded onto the blockchain. When you choose the "send on-chain" option in Coinbase, your transaction is processed like any other blockchain transaction:

• The transaction is signed with your private key
• It is broadcasted to the network
• Miners or validators include it in a block
• Once confirmed, it becomes part of the immutable ledger

This process ensures transparency and decentralization but comes with certain trade-offs such as network fees and confirmation times. These variables depend heavily on the current congestion of the blockchain being used.

---

Why Choose the 'Send On-Chain' Option?

There are several reasons why a user might prefer to use the "send on-chain" option instead of opting for an internal transfer:

• You want to send funds to a wallet outside of Coinbase
• You're moving crypto to a decentralized exchange or dApp
• You need full control over transaction details like gas price or miner fees
• You wish to ensure the recipient receives the exact amount without intermediary handling

Selecting this option gives you greater flexibility and compatibility with external wallets and services. However, it also requires a basic understanding of how blockchain networks operate, including concepts like gas fees and transaction confirmations.

---

Differences Between On-Chain and Internal Transfers

It's crucial to understand the distinction between on-chain transactions and internal transfers within Coinbase:

• Internal transfers happen instantly and usually cost no fees
• They only work between Coinbase accounts
• No blockchain confirmations are required
• On-chain transfers can go to any compatible wallet or address
• They require network fees and take time depending on the blockchain

Choosing the right method depends on where you're sending the funds and how quickly you need them delivered. If you're transferring between two Coinbase accounts, internal transfers are more efficient. For external destinations, especially those requiring full blockchain verification, on-chain is necessary.

---

Step-by-Step Guide to Using 'Send On-Chain' in Coinbase

If you decide to proceed with an on-chain transaction, follow these steps carefully:

• Open the Coinbase app or website and log into your account
• Navigate to the wallet containing the cryptocurrency you wish to send
• Click on the “Send” button
• Enter the recipient’s wallet address accurately
• Look for the toggle or checkbox labeled “Send via blockchain” or similar wording
• Select this option to ensure the transaction goes on-chain
• Review the transaction details, including the network fee
• Confirm and send

Double-check the recipient’s address before confirming, as on-chain transactions cannot be reversed once executed. Sending crypto on-chain is irreversible, so accuracy is essential to avoid loss of funds.

---

Potential Fees and Delays in On-Chain Transfers

Using the "send on-chain" option may incur various costs and delays based on network conditions:

• Network congestion can increase transaction fees
• Block times affect how quickly a transaction gets confirmed
• Coinbase may offer options to adjust fees manually or automatically set them
• Some networks allow faster confirmations than others

Users should monitor the network status before initiating an on-chain transfer to optimize timing and cost. Tools like Etherscan Gas Tracker (for Ethereum) or Bitcoin Fee Calculators can help estimate appropriate fees.

---

Frequently Asked Questions

Q: Can I cancel an on-chain transaction after sending?

A: No. Once a transaction is sent on-chain and broadcasted to the network, it cannot be canceled or reversed. You must wait for confirmations or contact the recipient if the funds were sent to the wrong address.

Q: Why does Coinbase give me the option to not send on-chain?

A: Coinbase offers internal transfers for convenience and speed when sending between Coinbase users. These transactions are handled internally by Coinbase without touching the blockchain, reducing fees and processing time.

Q: Will using the 'send on-chain' option affect my Coinbase account security?

A: No. The option itself doesn't impact your account security. However, always ensure you're sending to verified addresses and avoid sharing recovery phrases or private keys.

Q: What happens if I send on-chain during high network congestion?

A: Your transaction might take longer to confirm, and you may pay higher fees. Coinbase typically provides estimated fees based on current network conditions, but delays can still occur depending on network traffic.