Algorand has announced a comprehensive post-quantum ledger strategy aimed at securing account control against potential threats from quantum computing, specifically targeting vulnerabilities exposed by Shor’s and Grover’s algorithms. The initiative builds on the 2022 deployment of State Proofs and a 2025 milestone involving Falcon-based MainNet transaction authorization. The focus now shifts to securing live accounts, with different migration paths for single-signature, Logic Signature, Application, and multisignature accounts. The strategy emphasizes the need to protect the present ledger by removing quantum-vulnerable control paths from all account types. Algorand plans to implement Falcon account abstraction, allowing users to create Falcon-controlled accounts or rekey existing Ed25519 accounts. This approach aims to preserve addresses while enhancing security. The roadmap outlines a gradual, opt-in migration to native post-quantum accounts, ensuring compatibility and operational adoption without disrupting existing applications or governance structures.