Polygon Network will soon activate its Heimdall v2 migration on July 10, an upgrade that CEO Sandeep Nailwal describes as the most complex technical hard fork in the network’s history.

According to the roll-out plan, the migration will occur in two phases. The first phase on the Mainnet begins at 2:00 PM and 5:00 PM UTC on July 10th. The second phase will take place on the Amoy testnet and is scheduled to start between 06:30 PM and 09:30 PM on June 24.

In an official announcement on Polygon’s website, node operators were urged to familiarize themselves with the migration process and prepare all necessary requirements and tooling.

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Source: Tenor

Application data, including checkpoints, state syncs, balances, accounts, supply, and milestones, will be transitioned to the new system during the migration.

Blockchain History Will not Migrate

Blockchain history will not be migrated, so any services that rely on historical data must keep a Heimdall v1 RPC node running. Meanwhile, the migration will also introduce a new chain ID, and its genesis block will be set as the last block committed from Heimdall v1 plus one.

The upgrade is expected to take approximately 10 minutes on the Amoy testnet and around 30 minutes on Mainnet, excluding any prep work or troubleshooting. 

Heimdall itself will pause during the migration, temporarily suspending cross-chain operations, including checkpoint submissions, deposits, and withdrawals. However, block production will continue as usual to ensure the Polygon PoS chain does not experience any downtime.

The Heimdall v2 Upgrade Will Boost Network Efficiency

After the migration, users can expect a substantial improvement in network efficiency. Finality will improve dramatically, dropping from 90 seconds to an estimated 4–6 seconds, while block times will be reduced from the current 5–6 seconds to approximately 2 seconds. Additionally, the network will shed its 2018 - 2019 technical debt.

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Source: Tenor

To carry out the upgrade successfully, validators and node operators should ensure their systems have at least 20GB of free RAM and disk space equal to at least twice the size of the current HEIMDALL_HOME directory, particularly if they wish to retain a backup.

Polygon’s token, POL (formerly known as MATIC), has recorded an 8% uptick over the past 24 hours ahead of the upcoming network migration.  At the time of writing, POL trades at $0.2031 with a market capitalization of $2.12 billion.

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