Aptos introduces post-quantum signatures before they’re urgently needed
Aptos proposed integrating optional post-quantum signatures to secure accounts against future quantum computing threats.Summary
The Aptos blockchain network is proactively addressing the potential threat of quantum computing to current cryptographic security by proposing the introduction of post-quantum signatures. Aptos Labs cited growing momentum, including NIST's publication of standards, as reasons why quantum threats are no longer distant. The proposal, AIP-137, suggests adding support for SLH-DSA (FIPS 205), a hash-based digital signature scheme, as an optional signature type at the account level. If approved, this would make Aptos one of the first production blockchains to natively support such accounts, though existing accounts would remain unaffected as the adoption is opt-in. This move aligns with broader industry preparation, as other networks like Solana have also begun testing quantum-resistant transactions, even as some figures in the Bitcoin community debate the immediacy of the quantum threat.
(Source：Cointelegraph)