Policy Summary, October 2026
Effective date: October 2026. This policy mainly concerns payment processor, account login, and security verification.
Many Dhaka users run accounts with bKash and Nagad, during Rocket-based transactions documents stay correct, so tracking is easier.
4-layer security
Session, device, payment token, and access log are viewed together.
Thus unknown logins are easy to detect, especially on mobile.
Regular review
Policy language is reviewed every 3 months.
If old provisions remain, they are removed.
Card data tokenization in wintk App
16-digit data is not stored on server
Token only works.
Token sent instead of the card number
Even if leaked, real number remains hidden.
Device match
Extra verification on a new phone.
This works at both Dhaka cafes and home.
wintk App and Official App Page Viewed together, settings are clearly understood.
What is within the PCI scope
Card data is not stored together.
What is stored
Transaction ID, time, and status are stored.
This log also shows service traces with 99.9% uptime.
What is not stored
Full card number and CVV are not stored.
This reduces risk, and audits become easier.
If you want login process Help page A small guide
Payment processor list
Three main methods used in Bangladesh are treated separately.
bKash
Quick verification and simple receipts are kept together.
Most times status appears within 2 minutes.
Nagad
Mobile number and reference number are logged.
Phone changes, information can be reconciled.
Rocket
Bank-linked reference in separate field.
This makes tracing faster for Dhaka users.
How chargeback data is handled.
Complaint filed in 3 steps.
Step 1
Transaction ID and time are captured earlier.
Then a screenshot, if present, is added.
Step 2
Compared with the processor log.
Usually first response arrives within 24 hours.
Step 3
If incorrect, amend; if correct, close.
All updates are written to the account.
Learn more Transaction guideline See
Crypto wallet data
Wallet address shown but not full history
Public address
Only necessary addresses are logged
Thus tracking is easy, but risk is low
Access control
Having two-step verification enabled increases security
Extra permission required for new-device login
Data security records and trust
4.8/5 Average rating, 93,207Your feedback, 54,128 Active user, 839+This title
System active since 2021; the same policy applies in 14 countries
These numbers are not just for display; policies, logs, and verifications are kept in same framework, so these can be retained.
wintk Login and wintk Register
To log in to wintk, first wintk App This page
Open a new account wintk Register Use this button for existing users Login Policy updates appear after you act
The wintk Download word is widely searched, but security comes first
Policy questions contact
You can send questions from Dhaka or elsewhere
On the wintk Contact page, logs, processor info, and account answers are separated
Go to contact page