Cross-Chain Transaction


The configuration presented is NOT intended to be used on the public network. These are the parameters used for the Catapult Testnet version (MIJIN_TEST).

Secret lock transaction

Use secret lock transaction to send mosaics to a recipient once an account discovers an attached secret message, known as proof.

Once announced, the specified mosaics are locked at blockchain level using the hashed secret message.

Funds are unlocked and transferred when an account announces a valid Secret Proof Transaction. The account should demonstrate that knows the proof that unlocks the transaction. That means applying hashing algorithm to proof and obtaining hashed secret message.

If the transaction duration is reached and not proved, the locked amount is returned to the initiator of the secret lock transaction.


Atomic cross-chain trading between public and private network

Secret lock and proof transactions enable atomic cross-chain trading, without the necessity of trusting a third party.


Locked mosaic.


The duration for the funds to be released or returned.

Hash Type

Hash algorithm used, with which secret is generated.


The proof hashed.


The address who will receive the funds once unlocked.

Based on Bitcoin Atomic Cross Chain Trading.

Secret proof transaction

Secret proof transaction is used to unlock secret lock transactions.

To unlock a secret lock transaction, the account should demonstrate that knows the proof that unlocks the transaction.

Hash Type

Hash algorithm used, to check that proof hashed equals secret.


The proof hashed.


The proof seed.