Bitcoin Mortgage Protocol

Lock the price.
Pay over time.

Fixed-rate Bitcoin financing on Starknet. No liquidation, no variable rates, no surprises. Just predictable payments until the Bitcoin is yours.

How it works
BTC / USD
Live
$87,000
Pragma Oracle · Starknet Sepolia
Loans
0
APR
7–9.5%
Claimed
0.00
7–9.5%
Fixed APR
Tiered by down payment
30yr
Max tenure
Monthly or weekly
30 day
Grace period
Before late fees
NFT
Soulbound claim
Non-transferable receipt

Process

Three steps to
own Bitcoin.

01

Connect your wallet

Privy supports email, Google, Apple, and native Starknet wallets. No seed phrases or browser extensions needed.

02

Set your terms

Choose BTC amount, payment frequency, tenure, and optional down payment. The protocol locks today's price and calculates your fixed installments.

03

Pay and redeem

Make scheduled payments. When complete, claim your Bitcoin. Need liquidity sooner? Early unlock returns proportional BTC minus a 10% fee.

Infrastructure

Built on
Starknet.

Validity proofs

Every state transition verified by math. Ethereum-grade security at a fraction of the cost.

Native accounts

Smart wallets by default. Session keys, multicall, and gas abstraction out of the box.

StarkZap SDK

Unified DeFi toolkit — AVNU aggregated swaps, Vesu lending, gasless transactions, and DCA built in.

Sub-cent gas

Complex loan operations for under a penny. No more choosing between security and affordability.

Start accumulating Bitcoin.

No minimum commitment. Exit anytime. Sepolia testnet.