Introducing
Gummiworm
A Cardano Layer 2 that keeps running an app and holding its funds in separate hands.
Head
Runs the app.
Orders and confirms every trade.
Coil
Holds the keys.
Independent signers co-sign every payout.
Chain
Holds the funds.
Pays out only when both have signed.
Where your funds are, at every step.
- 01
Deposit
Your funds lock on Cardano, not with the app.
- 02
Trade
The head confirms each trade the moment it lands.
- 03
Withdraw
Paid out on Cardano once the coil co-signs.
- 04
If the head stops
Your funds never left Cardano. Everyone is paid back.
Your app never holds user funds.
Hold no one’s funds.
No key on your servers can pay out.
Bring your own ledger.
An order book, an EVM, or your own accounting rules.
Pay the chain only at the edges.
0.19 ₳ to open a head, 0.18 ₳ per deposit. Trades never touch the chain.
Sugar Rush is built on Gummiworm.
A private central limit order book, and the first ledger on a Gummiworm head. The coil, the signers that hold the keys, is next.
- to confirm an order
- 370µs
- sustained
- 3,400TPS
Measured April 2026 on one head peer. Results
Visit Sugar Rush
Questions
- Is it only for exchanges?
- No. Any app that holds other people’s funds can run on a head.
- Which chains does it support?
- Cardano today. Ethereum and Midnight are specified.
- Is it related to Hydra?
- It shares the problem, not the code. A Gummiworm head takes deposits and withdrawals while it runs.
Build on Gummiworm.
Sugar Rush is the first. Talk to us about yours.