Full-character comparison
Checks every character, not just the first and last few that wallets show you.
Address safety
The address looked right. It wasn't.
Midcheck compares the address you are about to pay with the ones in your history and flags near-twins before any funds move.
Full-character comparison
History-aware
Read-only
40characters compared, not just the ends
0 keysever requested from you
1 pasteis all a check takes
Try it
Watch lookalikes get caught
A stream of sample events showing what a pre-send check surfaces.
Pre-send check
Simulated sample dataSimulated events for illustration. Addresses and amounts shown here are made up; real checks run only on addresses you paste.
What it does
A second pair of eyes before every send
History-aware
Compares against addresses you have sent to or received from, including tiny dust transfers.
Read-only
Paste a public address. No wallet connection, no signature, never your keys.
Near-twin alerts
Optional ping when a new lookalike of one of your addresses appears in your history.
How it works
Paste, compare, send
Paste the address you are about to pay. Midcheck compares every character against the addresses in your history and flags near-twins before funds move.
1
Paste the recipient
Copy the address you are about to pay.
2
See the diff
Midcheck highlights which characters differ from any lookalike in your history.
3
Send from your own wallet
Pay only once you have confirmed the full address matches.
FAQ
Good questions
No. It is read-only and never asks for a seed phrase, a private key or a signature.
An attacker sends a tiny transfer from an address that copies the first and last characters of one you use, hoping you copy it from your history later.
No. It checks the addresses visible in your history today. For large payments, always confirm the full address through a second channel.
No. It is a software utility that reports on-chain data.
Spot the lookalike before you send
A pre-send checker that compares any address you are about to pay with your own history and flags lookalikes.
Questions? Ask on Telegram