BlockFills understands the challenges associated with successfully operating a collateralized lending book and offers products and services tailored to the lending market.

Since 2018, BlockFills has provided institutional clients with flexible digital asset liquidity solutions. We offer white-glove service when needed, while our advanced tech stack enables efficient, streamlined operations – giving clients the perfect balance of personalized support and automated efficiency.

BlockFills offers a cohesive suite of products and services that are designed to service institutions in the digital asset space.

While all BlockFills clients have access to our core services, our Lending clients enjoy additional benefits and personalized services, including the following:

Same-Day Settlement Capabilities

  • Our team is nimble and globally distributed. BlockFills is known for timely settlements.

White Label OMS & Optional Front-End

  • Looking to take you client-facing OTC business to the next level? Our white label platform, Vision Crypto Cloud, provides your clients with a top-tier, modern, and secure experience.

Reporting Functions

  • Reporting simplified. View and export your transaction, payment, and transfer history from within our Vision platform, or connect via API and consume it programmatically.

Liquidity Access

White Glove Service

  • Our tech stack stands on its own, but there is no substitute for great service. BlockFills is familiar with the high-touch experience that institutions in traditional markets expect, and we have brought that experience to the digital asset space.

OTC Options* & Bespoke Hedging Strategies

  • We have one of the most prolific options desk in the space. Have inventory management needs, need to lay off risk, or hedge your balance sheet? For qualified clients*, BlockFills will price virtually any BTC, ETH, or SOL option spread or structure.

Basis / Forwards & Structures*

  • For “Qualified Clients*” BlockFills can offer products designed to manage exposure to underlying crypto assets, whether the intent is to apply leverage, open new positions at lower prices, attempt to generate income, or hedge current or future balance sheet exposure. BlockFills’ treasury management services that seek to take advantage of the fragmentation that exists in the global digital asset space, including trade ideas designed for institutions with large USD or stablecoin balances, not just those holding BTC, ETH, or other volatile cryptoassets.

Perpetual Swaps*

  • BlockFills has partnered with its London-based, FCA regulated affiliate, Basis Capital Markets UK Limited (“Basis”), in the development of a cash-settled perpetual swap product that offers sweeping advantages over what is found on most CEXs. Hedge your balance sheet or client flow by leaning on our industry-leading liquidity. Leverage available.

Collateralized Lending & Borrowing

  • Have inventory management or fiat needs? BlockFills is actively involved the overcollateralized lending market and has a growing suite of products that feature interesting terms for clients who require customized solutions.

Tri-Party Custody Capabilities

  • BlockFills has relationships with both Qualified Custody providers as well as organizations who provide non-custodial wallet infrastructure. If tri-party custody is something your organization requires in order to scale its business, talk with our team. “Qualified Clients*” are often able to use such services for the posting of margin securing option* positions.

Lender Use Case:

ABC Lending, Ltd.

Client Problem:

ABC Lending, Ltd. operates an increasingly complex lending business that is constantly seeking methods of increasing efficiency, reducing cost, and mitigating balance sheet and counterparty risk.

Our Solution:

Onboard at BlockFills


  • License the Vision Crypto Cloud tech stack, providing the lending platform with a full OMS, risk management, loan management, and reconciliation system, along with an optional white labeled client facing portal, in which all endpoints can be access via API for integration into existing UX.


  • Engage the BlockFills Basis/Forwards* and Options desks to craft bespoke hedging strategies designed to mitigate the price risk associated with the lender’s treasury or obligations.


  • Enjoy the peace of mind associated with Tier-1 onshore banking, industry-leading wallet infrastructure, credit, and post-trade settlement.


  • Engage in collateralized lending and borrowing deals opportunistically as its needs evolve.

By completing the form below, I agree that either I or the organization that I am authorized to represent meet the above criteria.