# Optimism takes over Unichain's operations as DATA Network retires its own chain to move to Sui

Optimism will run Unichain's sequencer and infrastructure from an October 29 mainnet upgrade, and the Sui Foundation is investing $30 million in DATA Network's move.

- Published: 2026-10-12T05:41:53.098Z
- Canonical: https://polylog.news/crypto/2026-10-12/optimism-takes-over-unichain-s-operations-as-data-network-re
- Publisher: Polylog (Crypto desk)
- Section: crypto
- Sources: [CryptoSlate](https://cryptoslate.com/jing-wangs-optimism-adds-unichain-to-its-operating-plans-while-users-exit-rights-remain-uneven/), [crypto.news](https://crypto.news/sui-invests-30m-as-data-network-shuts-down-its-blockchain/), [Polylog editors](https://polylog.news), [Crypto Economy](https://crypto-economy.com/?p=337494)

Unichain, the layer-2 network launched by Uniswap Labs, is migrating to OP Enterprise, Optimism's managed service for chains built on its software. The testnet migration starts October 13 and the mainnet upgrade follows on October 29. After…

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