StarkWare researchers have tested a quantum-safe $BTC transaction on the mainnet without requiring a soft fork or changes to Bitcoin’s existing rules.

By relying on hash-based cryptography, the method aims to improve Bitcoin’s protection against future quantum attacks.

On August 26, 2026, the first transaction was mined successfully, showing that the approach works on the live network.

However, the technology is still experimental and not ready for widespread use because it requires significant computing power. StarkWare is working to make the process cheaper and more efficient.

This could offer Bitcoin another option for preparing for future quantum threats, although making the entire network quantum-safe will require further development.

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