How to Verify a Crypto Transaction Using a Block Explorer

By Ashir Khan·August 29, 2026·4 min read

Ashir Khan writes about cryptocurrency security, self-custody, macro market analysis, and regulatory policy at CryptoBeacon.

In traditional banking, if a transfer hasn't arrived, you have to call customer service and trust what they tell you. In crypto, you are your own customer service. Because publicblockchains are completely transparent, you can independently verify the exact status of any transaction at any time using a tool called a block explorer.

This article is educational. It isn't financial advice.

Step 1: Get the Transaction ID (TXID)

Every crypto transaction generates a unique alphanumeric receipt called a Transaction ID (TXID), sometimes also called a transaction hash. It usually looks like a long string of random characters (e.g., 0x7a2... on Ethereum, or f38b... on Bitcoin).

If you sent the funds from an exchange (like Coinbase or Kraken), you can find the TXID in your withdrawal history. If you used a personal wallet, click on the transaction in your activity tab to view the details, and you will see the TXID there.

Security Note: It is completely safe to share a TXID with someone (like customer support or a merchant you are paying). A TXID only proves that a specific payment occurred; it cannot be used to access or steal your funds.

Step 2: Enter It Into a Block Explorer

A block explorer is a search engine for a specific blockchain. It reads the public ledger and displays it in a human-readable format.

Go to the correct explorer for the network you used, paste your TXID into the search bar, and hit Enter.

Step 3: Understand the Status

When you pull up the transaction page, the most important field is the Statusor Confirmations count.

Pending / Unconfirmed / 0 Confirmations

This means you successfully broadcast the transaction to the network, but miners (or validators) have not yet included it in a block. The transaction is sitting in the "mempool" (the waiting room for transactions). If network traffic is high and your fee was low, it might stay here for hours or even days. The funds have technically not moved yet.

Confirmed / Success

This means the transaction has been permanently written into the blockchain. The funds have officially moved from the sender to the receiver.

How many confirmations is "safe"?
Every time a new block is added after the block containing your transaction, your transaction gains one confirmation.

• Bitcoin: Exchanges usually require 3 to 6 confirmations (30–60 minutes) to consider a deposit final and irreversible.
• Ethereum: Exchanges usually require 12 to 64 confirmations (3–12 minutes) for finality.

Failed / Reverted (Smart Contract Networks)

On networks like Ethereum, a transaction can fail if it runs out of "gas" (the fee limit was set too low for the required computation) or if a smart contract condition wasn't met. In this case, the main funds never leave your wallet, but you still lose the network fee you paid for the attempt.

What If the Explorer Says "Not Found"?

If you search your TXID and the explorer says "Sorry, we are unable to locate this Transaction Hash," it usually means one of two things:

• You are on the wrong explorer. Make sure you aren't searching a Polygon TXID on the Ethereum Etherscan, for example.
• The platform hasn't broadcast it yet. If you are withdrawing from an exchange, they often give you a TXID immediately, but it can take their backend systems a few minutes to actually broadcast it to the public network. Wait 10 minutes and refresh the page.

FAQ

Sources

• Mempool.space Documentation — Understanding the Mempool
• Etherscan Info — Checking Transaction Status