Cardano Unveils Two-Phase Dijkstra Upgrade to Boost Throughput and Settlement Speed.
Cardano has outlined a major two-phase upgrade for its upcoming Dijkstra era, introducing Ouroboros Linear Leios and Ouroboros Peras to significantly improve network throughput and settlement speed.
Phase 1, targeting Q4 2026 for code completion, will activate Leios (CIP-164), which increases throughput through supplementary Endorser Blocks. The upgrade also introduces nested transactions (CIP-118), guard scripts (CIP-112), account-address enhancements (CIP-159), and simpler staking-reward withdrawals (CIP-181). This phase is designed to boost Cardano’s base-layer capacity without compromising its decentralized and secure architecture.
Phase 2, targeted for Q2 2027, will activate Peras (CIP-140), adding a stake-pool voting layer designed to accelerate settlement finality. Both phases will undergo testnet deployment and on-chain governance approval before mainnet activation.
Cardano Plans Two-Phase Dijkstra Upgrade With Leios and Peras
— Wu Blockchain (@WuBlockchain) August 16, 2026
Cardano has outlined a two-phase rollout for its upcoming Dijkstra era. Phase 1, targeting Q4 2026 code completion, will activate Ouroboros Linear Leios (CIP-164) to increase throughput through supplementary Endorser… pic.twitter.com/eBGNwaNG9M
The roadmap includes a series of milestones: a Peras-compatible node release for testnet operators, a preview hard fork with a two-week SPO testing window for voting overlay and settlement latency validation, and a pre-production hard fork with final readiness checks. Following these steps, a mainnet governance action submission will trigger a voting period involving DReps, SPOs, and the Constitutional Committee before mainnet activation.
ADA price remains under pressure, trading near $0.17 amid the broader crypto bear market. However, the ecosystem continues to expand with these significant upgrades, positioning Cardano for greater scalability and institutional appeal once market conditions improve. The Dijkstra era represents Cardano’s most ambitious scaling effort to date.
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