Blockfills

Chicago, Illinois, United States Financial Technology Acquired

BlockFills, operated by Reliz Technology Group Holdings, was a Chicago-based institutional digital asset trading and technology firm founded in 2018, offering crypto spot and derivatives trading, liquidity aggregation, lending and SaaS trading infrastructure to hedge funds, brokers, exchanges and miners. After roughly $75M in lending losses and a February 2026 withdrawal freeze, it filed for Chapter 11 in Delaware in March 2026. Keyrock acquired substantially all of its trading and brokerage assets for $3.25M in a court-approved sale completed in July 2026.

Acquired

Blockfills has been acquired

Acquired by Keyrock Jul 16, 2026 $3.25M

This company is no longer available on our private secondary market.

Overview

Company data and valuation marks are estimates and may be incomplete, stale, erroneous, or revised.

Founded

2018

Employees

50–60

Total Funding

$44M

2 rounds

Secondary Signals (Note: SetterVC does not verify the accuracy of these)

2 signals
M&A Recent asset sale $3.25M 2026-07-16

Keyrock completed its $3.25M acquisition of BlockFills' trading and brokerage assets following bankruptcy court approval

Operating business now part of Keyrock; remaining estate handled under the confirmed Chapter 11 plan

Restructuring Recent 2026-03-15

Filed Chapter 11 bankruptcy after $75M lending losses and a client-withdrawal freeze

Equity likely impaired; distressed sale process underway, price near liquidation value

Funding

Funding data and valuation marks are estimates and may be incomplete, stale, erroneous, or revised.

Total raised $44M across 2 rounds

Last updated 09-16-2026

DateRoundAmount RaisedValuationLead Investors
Jan 19, 2022 Series A CoinDesk $37M — Susquehanna Private Equity Investments, CME Ventures
May 2021 Seed $7M — Susquehanna Private Equity Investments

Prominent Investors

Susquehanna International Group today formally launched Susquehanna Growth Equity simplex.holdings c6e.vc Nexo

Leadership

  • Gordon Wallace

    President & Co-Founder

  • Nicholas Hammer

    Co-Founder (Former CEO)

    LinkedIn
  • Brad Nagela

    Co-Founder

  • Joseph Perry

    Interim CEO

Competitors

Competitor list is illustrative and may be incomplete, stale, or erroneous.

  • Genesis Global Capital

    Institutional cryptocurrency trading and lending platform

  • Wintermute Trading

    Algorithmic trading and market-making firm for digital assets

  • Cumberland DRW

    Digital asset trading division of DRW Holdings

  • GSR

    Global market maker and liquidity provider for cryptocurrencies

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