Documentation
How Lambdachain works, and how to use it.
Lambdachain is a perpetuals exchange built as a zero-knowledge rollup on STRATO. These pages explain what happens when you deposit, trade and withdraw — and why every step can be checked rather than trusted.
Getting Started
Open an account, fund it with a card or USDC, and place a first trade.
Read →Trading
Perpetuals, orders, margin and leverage, funding, liquidation and fees.
Read →USDλ & sUSDλ
The exchange dollar, its savings form, and where the yield comes from.
Read →Deposits & Withdrawals
The bridge in both directions, cards and Apple Pay, swaps.
Read →Architecture
The rollup on STRATO: sequencer, blocks, proofs, settlement and the exit.
Read →Questions
Plain answers to the things people ask first.
Read →