Signature checks for quantum-safe blockchain transactions use about 46% less gas

Starknet has put the signature-verification cost for quantum-safe blockchain transactions at approximately $0.023 , following an open coding challenge that cut the gas required by roughly 46.5%. The figure measures a verification step, not a complete transfer, and reflects optimizations achieved by participants working with AI agents. Key takeaways Falcon-512 challenge participants set 434 records. Verification gas fell from 48.4 million to about 25.9 million. The dollar benchmark varies with STRK’s price. How the Falcon-512 challenge reduced verification costs The Falcon-512 verification challenge lowered the computational cost of checking post-quantum signatures inside Starknet’s Cairo-based environment. Backed by StarkWare and the Starknet Foundation, the contest launched around October 18, 2026, and reached a roughly 46.5% gas reduction by late October.

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