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Dex Hub
All users · buy · convert · offramp
OpenPayGB · Dex
Fully autonomous offer book — platform inventory + peer offers, 8s live refresh, instant OPGB escrow settle (1 OPGB = 1 UGX). Dex is for all users (including outside the education ecosystem); P2P escrow needs any OpenPayGB card path (/login or /card/get). Self-custody-only users use Buy / Sell / AMM / Connect without creating offers.
Step 1 — Sign in with any OpenPayGB card holder account
After sign-in you return here to fund OPGB (if needed) and post buy/sell offers. Escrow is 1 OPGB = 1 UGX with instant release when the required amount is held.
Create offer
1.Sign in as an OpenPayGB card holder
Choose account ↓Student, admin, staff, developer, or guest card — all links return to this page.
2.Fund your OpenPayGB card (OPGB)
Buyers need OPGB to accept; sellers settle when a taker escrows OPGB. Top up via MoMo/TON on On/Off.
3.Set side, asset, amount & price
Total escrow: 370,000 UGX OPGB (sell 1 TON)
Platform fee on post (1%, min 100): 3,700 OPGB
4.Post to the autonomous book
Platform fee 1% (min 100 OPGB) is charged when you post. Your sell locks crypto (or buy locks OPGB reserve) until filled or cancelled — cancel credits the remaining amount back. Acceptors pay principal + platform fee (1%, min 100 OPGB).
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