Besides being cheap and fast, how about the Security of Orbiter’s cross-rollup mechanism?

Sepcific mechanism of Orbiter Finance

Correct Process

Incorrect Process and Obiter’s contract system

  1. Sender needs to provide the relevant Source Tx to SPV.
  2. Sender initiates the arbitration through Orbiter’s MDC contract.
  3. MDC gets the existence proof of Source Tx from SPV and knows the Source Tx has happened on the Source Network.
  4. MDC gets the validity proof of Source Tx from EBC. MDC will know that the Source Tx is legally based on Orbiter’s rules; the Source Tx was sent from a Sender to one of Orbiter’s Maker with a legal Security Code.
  5. Then, MDC will set this arbitration as a pending case and wait for the Maker to provide the Target Tx for 0.5~3 hours(This function can be aggregated in the Maker’s client, so the Maker will not miss it). If Maker can provide a correct Target Tx, MDC will get the validity proof from EBC and know the Target Tx matches the Source Tx. MDC will close this arbitration and show the Target Tx to Sender. But, if Maker cannot provide the relevant Target Tx after 0.5~3 hours, Sender can apply the withdrawal and then go to the next step.
  6. MDC starts to compensate Sender.
  7. MDC will send the tokens and compensation (~$15) back to Sender on the domain where the MDC deployed. The send-back tokens and compensation come from the Maker’s margin.

Security solutions for extreme cases

Eliminate the Double-Spending risk for Senders

Security of Maker’s liquidity funds





Orbiter Finance is a decentralized cross-rollup Layer 2 bridge with a contract only on the destination side.

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Orbiter Finance is a decentralized cross-rollup Layer 2 bridge with a contract only on the destination side.

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