Notes from the Zelo team
Product updates, engineering deep-dives, security write-ups and practical guides.
Introducing Zelo: a modern wallet for digital coupons
Why we built Zelo and what makes a coupon-based settlement platform different from a bank.
How the Zelo ledger works (and why it can't go negative)
An inside look at the atomic, double-entry ledger that powers every Zelo balance.
KYC best practices: how to get verified on the first try
Practical tips to help your Zelo KYC submission sail through review.
Settlement fees, explained
Why UPI is 2%, USDT TRC20 is 3.5%, and what you actually pay for.
Transfers vs settlements: which one should you use?
When to send to another Zelo account, and when to cash out via UPI or USDT.
Spotting coupon scams: a buyer's guide
How to make sure the coupon code you're paying for is real, valid, and worth what you're paying.
Behind the design: building a fintech-grade dark UI
How we built Zelo's electric-on-midnight design system and why oklch matters.
Why every fintech needs an immutable audit log
The architecture decision that makes 'who did what, when' a one-line query.
What's next: Zelo roadmap for Q3 2026
Realtime notifications, referrals, branded emails and a public API.