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Quantum Blockchain Raises £500,000, Launches Bitcoin Mining Unit BlocKeeper

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Quantum Blockchain raises £500,000 from share placement and launches Bitcoin mining subsidiary BlocKeeper

Quantum Blockchain Technologies said it raised £500,000 before expenses through a share placement and used the same announcement to launch BlocKeeper, a hardware-free Bitcoin mining subsidiary that would buy third-party hashing power instead of operating its own rigs.

Quantum Blockchain raises £500,000 through share placement

In its 16 April 2026 RNS, QBT said the placing raised £500,000 before expenses through the issue of 142,857,142 new ordinary shares at 0.35 pence each.

Gross placing proceeds
£500,000
Quantum Blockchain Technologies said the placing raised £500,000 before expenses. Source: Investegate / QBT RNS

QBT said the net proceeds will support continued research and development aimed at improving Bitcoin mining efficiency and the work needed to port its AI Oracle onto mining rigs from new ASIC manufacturers.

The company added that it will apply for the placing shares to be admitted to AIM on or around 21 April 2026, and the filing said the announcement contained inside information under Article 7 of the UK Market Abuse Regulation regime.

Why BlocKeeper matters to Quantum Blockchain’s Bitcoin mining strategy

QBT said BlocKeeper is being built as a hardware-free Bitcoin virtual mining operation that will selectively acquire hashing power from established miners, which separates the mining venture from the parent company’s software-focused work.

QBT said it may invest up to £100,000 into BlocKeeper, or 20% of the gross raise, as the seed commitment for the subsidiary.

Planned BlocKeeper investment
£100,000
Potential seed commitment equal to 20% of the gross placing proceeds.
QBT said it may invest up to £100,000 into BlocKeeper, equal to 20% of the gross raise. Source: Investegate / QBT RNS

The RNS also said BlocKeeper is seeking a listing on the AQSE Stock Exchange Growth Market, while warning there is no certainty the proposed listing will occur.

How the fundraising and subsidiary launch fit together

Because the filing limits the BlocKeeper allocation to up to £100,000 and leaves the rest of the placing proceeds for Bitcoin-mining R&D and AI Oracle porting work, the current plan reads as a limited test of virtual mining rather than a full-company shift away from QBT’s existing technology program.

That interpretation rests on the structure QBT disclosed in the same filing: the parent company keeps funding its software and optimisation program, while BlocKeeper starts as a smaller vehicle that would buy external hashing power instead of owning hardware.

Investors therefore have two specific milestones from the announcement to watch: the target 21 April 2026 admission date for the placing shares and the still-uncertain AQSE Growth Market plan for the subsidiary.

What this move signals for Bitcoin mining and blockchain investors

For blockchain investors, the more relevant signal is structural than promotional: QBT chose a ring-fenced subsidiary and a capped initial commitment instead of promising a large-scale mining rollout, and the RNS does not set out projected hash rate, revenue, or profitability for BlocKeeper.

That makes the announcement part of a broader digital-asset business story in which market access and business-model design matter alongside token prices, a theme Coincu readers have also seen in coverage of a NYSE rule change proposal that could open door to tokenized securities trading, the rise of Spartans reaching the 14th largest crypto casino, and Spartans Casino hitting rank 14 globally while Yeet and Sol Casino stayed more limited.

FAQ about Quantum Blockchain, the £500,000 placement, and BlocKeeper

What did Quantum Blockchain raise?
QBT said the placing raised £500,000 before expenses.

What is BlocKeeper?
BlocKeeper is the new subsidiary QBT described as a hardware-free Bitcoin virtual mining operation that would buy hashing power from established miners.

Why did the company use a share placement?
The filing shows QBT used the placing to fund continued mining R&D, AI Oracle porting work, and the initial BlocKeeper rollout without describing any debt financing alongside the move.

How does the launch relate to Bitcoin mining?
QBT said BlocKeeper would selectively acquire hashing power from established miners rather than build and run its own rig fleet.

Disclaimer: This article is for informational purposes only and does not constitute financial or investment advice. Cryptocurrency and digital asset markets carry significant risk. Always do your own research before making decisions.

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Avatar of Liam Zhang

Liam Zhang

17 April 2026, 19:59:07 GMT +0000

Liam Zhang is a cryptocurrency researcher with over 8 years of experience in blockchain reporting, digital currency education, and crypto content strategy. He breaks down complex topics like trading volumes, stablecoins, and token flows into simple, useful content. At Coincu.com, he shares clear, SEO-friendly guides and market updates for both new and experienced crypto readers.

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