Is Extended Exchange custodial? Who holds your funds?
No. Extended is listed as non-custodial: your funds stay in a wallet you control, not with the venue (checked Oct 29, 2026). Extended code DEXSHEET (10% off fees).
Checked 2026-10-29 · 3 sources- Orders are matched off-chain; trades, transfers, funding, liquidations and health checks are validated and settled on Arc with zero-knowledge proofs.
- Non-custodial does not mean risk-free. Smart-contract bugs, phishing and malicious approvals can still lose funds.
- We list 1 reported incident for Extended on its legit check.
Sources: Extended Docs - Overview & Vision · Extended Docs - Technical Architecture · Extended Docs - Migration from Starknet to Arc (updated 26 October 2026). The venue's own page wins if it disagrees with ours.
Extended
Perp DEX · 0.05% round trip. Extended (formerly X10) is an order-book perpetuals exchange built by an ex-Revolut team, with 300+ crypto, stock, FX, commodity and index markets and USDC as base collateral. It settled on Starknet until 22 October 2026 and now settles on Arc, Circle's Layer 1.
Full Extended sheet: fees, custody, incidents →
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