Algorand releases v5.0.0 with native Falcon-1024 accounts, resource-based fees and doubled smart contract code capacity

Algorand v5.0.0 is described as the network's largest protocol upgrade since staking rewards launched in January 2025. Falcon-1024 quantum-resilient accounts no longer need a LogicSig wrapper, marking the first deliverable from the Foundation's June 2026 post-quantum roadmap. Fees now scale with transaction resource use, with extra revenue from heavy transactions funding node runner payouts. Smart contracts get double code capacity, opt-in shared box storage, in-place upgrades, and new opcodes for zero-knowledge development. Node runners can upgrade via NodeKit, the FUNC Program, or by contacting [email protected] for custom setups.

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