Cross-Blockchain Transaction Rebroadcasting

A processing system configured for performing a blockchain-based transaction, comprising:

• a memory comprising computer-executable instructions;
• and a processor configured to execute the computer-executable instructions and cause the processing system to:
• broadcast a burn operation on a first blockchain in a first message including a first recipient address and an amount of cryptocurrency to be burned;
• receive an attestation of the first message from an attestation service;
• rebroadcast the burn operation on the first blockchain in a second message including the attestation of the first message and a second recipient address;
• receive an attestation of the second message from the attestation service;
• and
• cause the amount of cryptocurrency to be minted on a second blockchain.

A non-transitory computer-readable medium comprising computer-executable instructions that, when executed by a processor of a processing system, cause the processing system to:

• broadcast a burn operation on a first blockchain in a first message including a first recipient address and an amount of cryptocurrency to be burned;
• receive an attestation of the first message from an attestation service;
• rebroadcast the burn operation on the first blockchain in a second message including the attestation of the first message and a second recipient address;
• receive an attestation of the second message from the attestation service;
• and
• cause the amount of cryptocurrency to be minted on a second blockchain.