How to redact your utility bill for verifying a crypto exchange account
Sending a utility bill to a crypto exchange? Here's exactly what to black out, what to keep, and how to redact it in under a minute — fully offline on your iPhone.
Black out the account number and any card or bank payment details on your utility bill, and keep your name visible so a crypto exchange can still verify you. Stamp the copy "For [exchange] account verification only", then export a flattened PDF — all on your iPhone, nothing uploaded.
Why a crypto exchange asks for your utility bill
Exchanges are legally required to verify your identity and address before you can trade or withdraw. A utility bill is a common proof of address; it shows your name, service address, account number, and amount due.
A crypto exchange needs your identity and address confirmed through their secure verification flow — not extra copies sitting in email or chat. The catch: the account number with your name and address supports account-takeover and address fraud. That's why you should hand over a redacted copy — see the full utility bill redaction guide or what to redact for verifying a crypto exchange account.
What to redact on your utility bill
- Account number It can be used to social-engineer the utility and take over the account.
- Any card or bank payment details Printed payment info enables direct fraud.
- Usage and personal details you don't need to show Minimize to just what proves your address.
What to keep visible (so it's still accepted)
- Your name
- Your service address
- The issue date, to prove the bill is recent
The watermark to add
Stamp a purpose watermark so the copy can't be reused beyond verifying a crypto exchange account:
Redact your utility bill in 4 steps
- Pick the photo. Open Cachera and choose the photo of your utility bill with the system picker — only that photo is read, never your whole library.
- Black out the sensitive fields. Drag a black block over the account number and any card or bank payment details. On export those pixels are destroyed — there's no hidden layer to recover underneath.
- Add a purpose watermark. Stamp "For [exchange] account verification only" so the copy can't be reused beyond verifying a crypto exchange account.
- Export and send. Lay it out on A4, export a PDF, and share it with a crypto exchange. Everything happened on your iPhone — nothing was uploaded.
Is this OK to do?
FAQ
Will a crypto exchange still accept a redacted utility bill?
Yes. Keep your name and your service address visible so they can confirm what they need, redact only the sensitive fields, and add a clear "For [exchange] account verification only" watermark. A watermarked, partially-redacted copy is normal, accepted practice.
What should I never show on a utility bill?
Hide account number, any card or bank payment details, usage and personal details you don't need to show. The account number with your name and address supports account-takeover and address fraud.
Can the black bars be removed from the copy later?
No. Cachera flattens the redaction into the image on export — there is no hidden layer beneath the black blocks, so the covered text cannot be recovered from the PDF.
Should I send the original utility bill instead?
Only upload inside the exchange's official verification flow — never to 'support' over email, chat, or social media, a very common phishing scam. Watermark each copy to the specific exchange. A redacted copy with a purpose watermark is usually the safer choice.
Redact it now — on your iPhone, nothing uploaded
Cachera blacks out the pixels for good, stamps a purpose watermark, and exports a print-ready PDF. Fully offline.