What Is a Test Transaction? Send a Small Amount First
A test transaction is a deliberately tiny transfer, a dollar or two, sent to an address before you send the real amount. If it arrives, everything in the chain works: the address, the network, the wallet on the other end. If it does not, you have lost the price of a coffee instead of your savings. It is the cheapest insurance in crypto, and almost nobody who has been burned once skips it again.
Why bother when the address is right there?
Because crypto payments cannot be reversed and the ways they go wrong are quiet ones. Clipboard malware swaps the address you copied for the attacker's, and the two look similar enough at a glance. Sending on the wrong network is even more common: the same address exists on Ethereum, on Base and on several others, and coins sent over the wrong one can be stranded or gone. Exchanges add their own traps, since some deposits need a memo or tag alongside the address, and money sent without it lands in the exchange's pool with nothing marking it as yours. A one-dollar test catches all three before they matter.
How to do one in five minutes
- Copy the destination address, then check the first four and last four characters against the original after pasting.
- Pick the same network on both sides, and paste any required memo or tag.
- Send a small amount and wait for it to show up in the receiving wallet, not just to leave yours.
- Only once it has arrived, send the rest.
What a failed test tells you
Usually something fixable. Nothing arriving after the network's normal confirmation time means the address or the network was wrong, and it is worth checking the transaction on a block explorer, a free website that shows where any payment went. A test that arrives but takes a long time is simply a busy network, not a fault.
The habit is worth extending. Test every new address, every first withdrawal from an exchange, and every wallet you have just restored from a backup. Two fees on a big transfer are irritating; one wrong address is permanent. Read next: what a crypto address is and why transaction fees change.