The Cardano codebase recently underwent a major security upgrade called Ouroboros Phalanx (released 31 October 2025), which adds cryptographic protections to defend against “grinding attacks” and strengthens block producer randomness.
Cardano’s team has proposed allocating 70 million ADA from its treasury to fund critical infrastructure upgrades up to 2026 — targeting improvements like cross-chain bridges, stablecoin infrastructure, on-chain analytics, oracles, and better institutional custody.
There is also a roadmap for Ouroboros Leios, an accelerated consensus-protocol upgrade (originally scheduled for later) aiming to increase throughput — meaning potentially faster and more scalable transactions for Cardano’s blockchain.
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