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Algorand v5.0.0 upgrade activates with post-quantum accounts, enhanced smart contracts, and new fee model

Protocol Fundamentals
16 Aug 2026
Blockonomi
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Bullish
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Algorand's v5.0.0 upgrade has reached 90% node support and will activate soon after its cooldown period, marking the largest update since staking rewards launched. This upgrade introduces native Falcon-1024 post-quantum accounts, expanding quantum-resistant security directly into the protocol. It also enhances smart contracts with AVM v13, adding larger contract sizes, new opcodes, and cross-application data storage. Additionally, a new per-byte fee model is implemented to better handle larger and more complex transactions without increasing fees for standard transfers. This positions Algorand for future cryptographic advancements and greater protocol flexibility.

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