Polygon is preparing to activate its Giugliano mainnet hardfork, an upgrade designed to make transaction finality faster and more predictable on the Polygon PoS chain. The change is part of a broader “Gigagas” scaling roadmap that targets higher throughput and better user experience after a rocky 2025.
When the Giugliano Hardfork Goes Live
The Polygon Foundation says the Giugliano hardfork will trigger at block height 85,268,500 on mainnet, expected on April 8 around 14:00 UTC. That timing comes from official announcements and network trackers that follow the chain’s block production rate.
Node operators must upgrade their clients to stay in sync once the fork hits. Polygon has told validators and infrastructure providers to move Bor to version 2.7.0 or Erigon to version 3.5.0 before the upgrade block. If they do not, their nodes will continue following old rules and fall off the canonical chain.
For regular users, the fork should be seamless. Funds, dApps, and wallets will keep working, and no manual token migrations are needed.
How Giugliano Speeds up Transaction Finality
Giugliano focuses on how quickly the network can treat transactions as final, not just on raw throughput. The upgrade lets block producers announce blocks earlier in the pipeline, which cuts the time it takes for the network to agree that a block is unlikely to be reversed.
Testing on Polygon’s Amoy testnet showed that these changes reduce finality times by about two seconds on average. That improvement stacks on top of earlier consensus upgrades that had already brought finality down from over 60 seconds to roughly five seconds in many conditions.
The hardfork also embeds fee, or “cost,” parameters directly into block headers and adds new RPC interfaces so applications can read fee data more efficiently. Clearer fee information should help wallets and dApps set gas prices more accurately and avoid missed or delayed transactions during busy periods.
Giugliano is one step in Polygon’s longer-term Gigagas plan, which aims to push the network toward 100,000 transactions per second for global payments and real-world asset settlement. The roadmap began with the Bhilai upgrade in mid-2025, which introduced Heimdall v2 and other changes that increased throughput above 1,000 TPS and cut finality from over a minute to roughly five seconds.
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