Extended, a decentralized derivatives exchange, is moving to the Arc network, according to a post on X by Circle CEO Jeremy Allaire and a notice from the platform. The settlement migration is scheduled for 21:00 Beijing time on Oct. 22, when settlement will switch from Starknet to Arc. Extended said trading is expected to continue without disruption.
For most users, no action is required. The exchange said accounts, subaccounts, positions, orders, history, points, and keys will remain unchanged through the migration. On the asset side, USDC will become native USDC, ETH will be migrated 1:1 into wETH, and Vault (XVS) balances and withdrawal rights will be preserved.
Extended also set a separate deadline for certain subaccounts. If a subaccount holds more than $1 in USDT or wBTC, users must authorize conversion or withdraw those assets before 20:00 Beijing time on Oct. 21. If that deadline is missed, affected subaccount orders will be canceled, positions will be closed at the mark price, and assets will be returned to the connected wallet. Deposits and withdrawals will be paused for as long as two hours during the migration.
Extended, a decentralized derivatives exchange, is migrating to the Arc network, according to a post on X by Circle CEO Jeremy Allaire.
An official notice from Extended said settlement will move from Starknet to Arc at 21:00 Beijing time on Oct. 22. The platform said the plan is not expected to affect trading.
What stays the same for users
During the migration, most accounts will not need any action. Extended said accounts, subaccounts, positions, orders, history, points, and keys will remain unchanged.
For assets, USDC will be migrated into native USDC. ETH will be converted 1:1 into wETH. Vault (XVS) balances and withdrawal rights will also be retained.
Deadline for subaccounts holding USDT or wBTC
If any subaccount holds more than $1 of USDT or wBTC, users must authorize conversion or withdraw those assets before 20:00 Beijing time on Oct. 21.
If that deadline is missed, orders in affected subaccounts will be canceled, positions will be closed at the mark price, and the assets will be returned to the connected wallet.
Deposit and withdrawal pause
Extended said deposits and withdrawals will be suspended for up to two hours during the migration.
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