Cardano is sticking to its Dijkstra upgrade schedule, with Linear Leios targeted for late 2026 to increase transaction throughput without compromising security, followed by Ouroboros Peras in the second quarter of 2027 to accelerate block finality. In parallel, Amaru, an open-source Rust implementation of the Cardano node, aims for block production on the mainnet in November 2026, diversifying a network still dependent on its legacy Haskell client. Input Output must submit a constitutional amendment before September 11 to incorporate the new protocol parameters into Cardano’s on-chain governance.
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