Saturday, 24 Jan 2026

Is Dogecoin threatened by a 51% attack? Qubic gives an update

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23 Jan 2026 23:14
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3 minutes reading



  • Qubic is actively developing Dogecoin mining. After the Monero “51% demo” this is causing unrest.
  • According to 21Shares, a direct 51% attack on DOGE is hardly feasible; there is a risk from “vampire mining”.

Qubic has reignited the debate about a possible attack on Dogecoin: In a fresh post on The update is causing unrest in the DOGE community because Qubic was responsible for an alleged 51% attack on Monero last summer.

On January 22nd referred the official Qubic account on

“Dogecoin mining integration is actively in development. The community did not hesitate. The vote was clear: DOGE won with 301 votes.”

At the same time, Qubic emphasized that the integration is labor-intensive, but very lucrative. The team did not give a specific release date:

“This is not a plug-and-play upgrade. Integrating ASIC hardware into uPoW requires real engineering, deep protocol work, and time to implement everything correctly. But the potential is significant. DOGE represents one of the largest and most established mining economies in crypto. Integrating with Qubic’s proven proof-of-work model extends uPoW beyond theory and enables scaling. […] Development is ongoing. This is just the beginning.”

As a reminder, DOGE was already discussed as the “next target” after Monero in August 2025, when Qubics Community selected Dogecoin. The news is that Qubic is now actively working on Dogecoin mining.

Qubic publicly communicated a “51% takeover demo” in August 2025 and described itself as having achieved over 51% of the hashrate. The project used “selfish mining” as a tactic and reported several “orphaned blocks” and six “reorg blocks” occurring that shook the Monero blockchain.

Could Dogecoin Suffer a 51% Takeover?

The Swiss provider of exchange-traded crypto products 21Shares already examined what the danger situation for Dogecoin looks like in August last year. 21Shares explainedthat a classic 51% attack on DOGE is economically difficult to imagine.

Dogecoin was (in August 2025) at around 2.78 PH/s hashrate according to 21Shares. Qubic would first have to reach and then exceed the entire existing hashrate. The company puts the cost at about $2.85 billion for hardware plus about $2.5 million per day in electricity costs. Logistics are not included. Ultimately, 21Shares concludes:

“Such costs make a direct attack virtually impossible.”

In addition to the hashrate arms race, this brings a second scenario to the fore, which 21Shares explicitly mentions: “vampire mining”. What is meant is an approach in which Qubic does not try to technically overrun Dogecoin, but rather uses additional economic incentives to pull existing miners into a routing or mining configuration that is advantageous for Qubic.

Qubic also pursued exactly this approach with Monero: economic incentives and profitability. However, 21Shares cites several hurdles as to why even this indirect path is significantly harder to scale with Dogecoin than with Monero: from the sheer scale of the petahash-based mining economy to the ASIC hardware reality to the pool structure and the interests of existing miners.

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