UPD Documentation
Unstoppable finance for everyone
Tech Preview
UPP (Universal Private Pool) is live on Sepolia with a test token at preview.upd.io. UPD token design is being finalized.
What is UPD?
UPD is the Universal Private Dollar - a non-freezable stablecoin with native privacy.
- 1 UPD = 1 USD, over-collateralized with stETH
- Non-freezable - no admin keys, no blacklists
- Private - shield your balance, transact privately
- Compliant - prove what you need to, when you need to
Quick Links
Vision
Why we're building unstoppable finance
Tokens
UPD (stable) and sUPD (yield-bearing)
Privacy
Private transactions with UPP
SDK Quickstart
Integrate privacy into your app
For Developers
Architecture
System design and cryptographic primitives
Circuits
Shield, Transfer, Merge, Withdrawal
Viewing Keys
Per-transaction keys for selective disclosure
ASP Layer
Compliance without sacrificing privacy
SDK Access
The UPP SDK is in private preview. Join our Telegram for access and updates.