Bitcoin News Today: Bitcoin CEO Explains Why 51% Attack Is Practically Impossible

Aydin Kilic, CEO of Hive Digital Technologies, has underscored why a 51% attack on the Bitcoin network is practically impossible. In a recent interview, Kilic highlighted the network’s energy-intensive infrastructure as a key deterrent. Bitcoin operates on a decentralized energy system of approximately 30 gigawatts, a scale that makes it highly resistant to attacks similar to the one recently affecting the Monero network [1]. The CEO, an electronics engineer with deep expertise in economic and energy modeling, emphasized the mathematical certainty that underpins Bitcoin’s security model.

To execute a 51% attack, an attacker would need to control at least 440 exahashes per second of hashrate. This is half of Bitcoin’s current hashrate of 867 exahashes per second. Achieving this would require an enormous investment in mining hardware and energy, making the endeavor both logistically and economically infeasible [1]. Kilic explained that the cost of such an attack would be so high that it would likely trigger a market response, devaluing Bitcoin and undermining the attacker’s own investment.

Furthermore, the decentralized nature of Bitcoin’s mining operations makes it unlikely for any single entity to accumulate such a dominant share of the network’s hashrate. Mining pools and miners have a vested interest in maintaining network trust and stability, which aligns with the long-term profitability of their operations [1]. The system is designed such that energy input correlates directly to hash power and, in turn, to the issuance of new bitcoins, all governed by the protocol’s mathematical rules.

Kilic views Bitcoin as a digital asset grounded in thermodynamics and real-world energy costs. He contrasts this with proof-of-stake models like Ethereum, which he believes lack the same intrinsic value derived from energy-based security. Hive Digital, which previously engaged in Ethereum mining, now focuses on Bitcoin, leveraging its deep understanding of energy-efficient mining and network security.

The CEO’s comments reinforce the broader industry consensus that Bitcoin’s proof-of-work model, combined with its vast and distributed hashrate, makes it highly resistant to centralized attacks. While alternative attack vectors—such as Sybil attacks—have been theorized, they are considered less feasible on a network as large and secure as Bitcoin [2]. The academic and technical literature on blockchain security supports this view, noting that each layer of the network presents unique challenges, but Bitcoin’s consensus mechanism remains robust [3].

As institutional adoption of Bitcoin grows and more financial products integrate the asset, the network’s resilience becomes even more critical. The decentralized and energy-backed model of Bitcoin, as articulated by Kilic and others in the industry, provides a foundation for long-term trust in the digital currency.

Source:

[1] Title: This CEO Exposes The Shocking Reason A 51% Attack On Bitcoin Is “Impossible”

URL: https://coinmarketcap.com/community/articles/68aba89724b5c35f79ea74d8/

[2] Title: Macro N Cheese Podcast

URL: (2025, August 11). Macro N Cheese Podcast

[3] Huynh, PD. (2025). Defending Ethereum and The Like from Crypto Scams. Amazon.com.