The perpetual futures platform Extended will begin migrating its settlement layer from Starknet to Arc, Circle’s Layer 1 blockchain, on October 22, 2026, at 13:00 UTC. Trading will remain available, but deposits and withdrawals will be paused for up to two hours, with no action required from most users. USDT and wBTC holders must convert those assets into USDC and cirBTC at a 1:1 ratio with a 0.50% premium, or withdraw them before October 21, 2026; ETH will be automatically converted into wETH at a 1:1 ratio. Extended, which holds approximately $117.7 million in total value locked, is targeting sub-second finality and stablecoin-denominated transaction fees while deepening its ties to Circle’s ecosystem and institutional investors.
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