Trade the narrative.
With leverage.

Pick a theme or a rule-based strategy, test it on real Perpl history and with fake money, then run it under a hard spending cap. On Monad, on your phone and the web.

Launch app
WHY OPENCASH

One terminal.
Every market.
Defined risk.

9:41▰
open cashOC
AUSD balance1,000.00
TestRun
Perpl markets Monad
BBTCBitcoinLong Perpl
EETHEthereumLong Perpl
MMONMonadLong Perpl
Thematic bins Explore
OpenCash Sample Bin ↗
Illustrative, not live market data

OpenCash is a web and phone app for trading Monad perps and assets on Perpl. Pick a theme or a rule-based strategy, test it on real Perpl history and with fake money, then run it under a hard spending cap.

  • Test before you risk
  • Bins and strategies
  • Passkey-signed calls
BUILT ON MONAD

Pick it. Test it.
Cap it. Run it.

Pick

Choose a theme or a rule-based strategy. A bin groups markets that move together; a strategy follows plain rules.

01OPENCASH

Test

Replay it on real Perpl history, then let it trade fake money. See the worst dip and the exits before any real funds are at stake.

02OPENCASH

Cap

Run it under a hard spending cap you set, so a strategy can never spend more than you allow.

03OPENCASH

Rank

A public leaderboard ranks traders on real on-chain results. Verified users can copy the strategy behind a rank.

04OPENCASH
A CLEAR PATH FROM IDEA TO POSITION

From an AUSD balance
to an open position.

OpenCash sits between your AUSD balance and the Perpl order book on Monad. Every leg of a bin opens in one transaction that either fills together or reverts together, and every call is signed by your own passkey.

openCASH
AUSD balance Leveraged markets Thematic bins Passkey-signed calls
BUILT ONMonadOrder bookPasskey signing ↗

Trade a market.
Or a whole narrative.

Themes and rule-based strategies, tested on real history before they touch real funds, and run under a spending cap you set.

01

The narrative is the instrument.

A bin groups markets that move together, like AI, energy or a theme in the headlines, into one position with a size per leg. Enter or rebalance the whole bin in one tap, on live prices.

02

Rules, not hunches.

Pick a rule-based strategy such as a Donchian breakout, regular buying, a grid or a trailing stop. Each one is a short set of rules you can read.

03

Test before you risk a cent.

Replay a strategy on real Perpl history, then let it trade fake money alongside the live market.

04

A hard cap on every run.

Set the most a strategy may spend before it starts. Leverage is capped to your deposit, and margin is isolated per position.

05

A leaderboard you can follow.

Traders are ranked on real on-chain results from Perpl. Verified users can copy the strategy behind a rank.

06

Your keys. Your call.

Your passkey signs every call. OpenCash never holds withdrawal power.

Proposed surfaces. OpenCash runs on Monad testnet during early access.

Bins
FOR ANYONE WITH A VIEW

THEMATIC BINS / ONE POSITION

Explore the flow
Composition
Markets that move together
Pricing
Each leg live off the Perpl order book
Rebalance
When you choose, never on a schedule
Strategies
FOR RULE-BASED TRADERS

STRATEGIES / TEST THEN RUN

Explore the flow
Templates
Breakout, regular buying, grid, trailing stop
Testing
Real Perpl history, then fake money
Limits
A hard spending cap per run
Leaderboard
FOR TRADERS AND FOLLOWERS

LEADERBOARD / COPY

Explore the flow
Ranked on
Real on-chain results
Copying
For verified users
Venue
Perpl order book, Monad

See a position form.
Make the next move.

A small, interactive look at the terminal we’re building. Walk a sample bin from a pick to a capped run.

INTERACTIVE DEMO

OpenCash Sample Bin

Illustrative basket · No funds or transactions are sent.

A CLEAR PATH FROM IDEA TO POSITION
  1. 01 Pick a bin Ready
  2. 02 Test it Upcoming
  3. 03 Set the cap Upcoming
  4. 04 Run it Upcoming

Start with a theme: a bin pools markets that move together into one position.

One terminal.
Every leg connected.

For traders, bin builders, and developers composing positions across Perpl's markets on Monad.

BIN AND STRATEGY BUILDERS

Bring a narrative or a rule.
Let others follow it.

Group markets around a narrative or write a rule-based strategy, publish the reasoning behind it, and let verified users follow it from the leaderboard.

Explore the bins
DEVELOPER INFRASTRUCTURE

Read the same markets.
Keep your own keys.

Every bin is built from Perpl's on-chain market data, so each leg, weight and price is visible before you enter. OpenCash never receives a private key.

View integration overview

Market data is read straight from the Perpl exchange contract. Orders go to the same contract, sized to a whole lot before they are signed.

loadMarkets()
sizeBinFor(bin, margin, data)
openBin(trader, sized, data, onStep)
loadOpenPositions(owner, data)
closePosition(trader, position)

Perpl trading keys cannot withdraw, and every order runs on Monad testnet during early access.

Every market.
One call.

OpenCash is in early access on Monad testnet. Leave an email and you'll be told when the terminal opens up.

Sign in with passkey