LMAX Group on Tuesday launched Kiosk, a hosted interface that lets institutional clients accept digital assets from their customers, hold them in LMAX Custody and then post those balances as margin across the group's wider trading venues.
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The product sits on top of LMAX Group's existing regulated infrastructure and is delivered as a single, customized portal. According to the firm, clients can deposit crypto into LMAX Custody and immediately use those balances as collateral to trade spot FX, precious metals, digital assets, CFDs and perpetual futures.
The interface bundles deposits, withdrawals, API credential management, WalletConnect support, security controls and treasury management in one workflow, the company said.
LMAX has been previewing the offering for months. In a March 2026 thought-leadership piece, Managing Director for Digital Assets Jenna Wright described the firm as "currently onboarding institutional brokers to a new, fully hosted, broker-branded interface" with cross-asset collateral functionality.
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Tuesday's announcement formalizes that pipeline as a named product.
David Mercer, LMAX Group's chief executive, framed the launch around collateral mobility rather than product features, saying "hyper-efficient collateral will be the foundation of modern, converged capital markets." Kiosk, he said, brings "that fluidity and speed of collateral transition to clients today."
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LMAX is entering a corner of the market that has become crowded over the past 12 months, as institutions at every level of the financial stack try to monetize demand for using digital assets as working capital rather than letting them sit idle in custody.
JPMorgan said in October 2025 that it planned to accept Bitcoin and Ether as loan collateral for institutional clients globally, using a third-party custodian.
StoneX Digital, the institutional crypto arm of the Forex.com parent, launched a Bitcoin-backed lending platform for institutional traders in February 2026.
Ripple Prime, the rebranded Hidden Road, has built out cross-margining across digital assets, FX, fixed income and cleared derivatives, with its RLUSD stablecoin increasingly used as the collateral asset of choice.
B2PRIME extended its B2TRADER platform in March 2026 with crypto spot and perpetual futures alongside FX and CFDs, supporting cross-collateral margin across a basket of digital assets and stablecoins.
Singapore Exchange went live with Marex-cleared Bitcoin and Ether perpetual futures in late 2025, targeting accredited and institutional investors with a centrally cleared, onshore alternative to offshore venues.
LMAX's pitch differs in one specific way. Where StoneX, JPMorgan and Ripple Prime operate primarily as direct counterparties to end clients, Kiosk is designed to slot inside a broker's own front end and present LMAX Custody as the back office.
LMAX launched 100x-leverage perpetual futures on BTC/USD and ETH/USD in September 2025, then integrated the product with Gold-i in December to widen broker access.
Kiosk is designed to sit upstream of both, turning client crypto deposits into the funding source for those trades.
