The Cardano Foundation said Plutus smart contracts now have native support for BLS12-381 elliptic-curve cryptography, a change aimed at lowering the cost of verifying large numbers of signatures on-chain. According to the announcement, the feature allows thousands of signatures to be verified at low cost without relying on off-chain services. The mechanism uses signature aggregation to compress multisignature approvals into a single proof, keeping on-chain verification costs constant. The functionality is scheduled to go live with Protocol Version 11, which is planned for release in May 2026. The foundation said the upgrade is intended for use cases including multisig custody and cross-chain bridges. CryptoBriefing was cited in the original report.
The Cardano Foundation said Plutus smart contracts now support BLS12-381 elliptic-curve cryptography natively, allowing thousands of signatures to be verified on-chain at low cost without relying on off-chain services.
The approach uses signature aggregation to compress multisignature approvals into a single proof, which keeps on-chain verification costs constant. The feature is set to roll out with Protocol Version 11, planned for May 2026, and is aimed at use cases such as multisig custody and cross-chain bridges.
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