Bitcoin was built to be yours.
Your loans should be too.
No bridge. No custodian. No wrapped tokens. No public balance sheet. Trustless Bitcoin lending on Stellar.
Powered by the ecosystem
What Makes Writz Different
The first trustless Bitcoin lending protocol on Stellar. Keep every position private.
Bitcoin SPV Verification
The contract verifies Bitcoin transactions cryptographically. No oracle, no trust.
ZK-Private Positions
Collateral, debt and health factor stay hidden. Groth16 proofs verified on-chain.
In-Browser Proving
Proofs are generated on your device. Secrets never touch a server.
Emergency Timelock
If Writz disappears, reclaim your BTC alone after the CLTV timelock.
USDC Lending Pool
Suppliers earn yield from borrower interest.
Protocol Products
Lock real BTC, borrow USDC, keep the position private. More products as the protocol scales.
PrivateLend
Deposit BTC, borrow USDC privately
min collateral ratio
- Real BTC collateral
- ZK-private positions
- Borrow USDC on Stellar
- Emergency timelock exit
- Live on testnet
Coming Next
The Writz roadmap
roadmap
- Dark Swap - private BTC → USDC
- BTC Savings - auto-routed yield
- ZK Proof of Reserve (B2B)
Your keys. Your coins. Your loans.
The first trustless Bitcoin lending protocol on Stellar. Keep every position private.
Open source · Apache-2.0 · Audits before mainnet.