Biohybrid brain–machine interfaces are the next leap in human evolution, merging living neurons with technology to create a “cyber cortex” that could connect minds, restore senses, and blur the line between reality and virtual worlds.Biohybrid brain–machine interfaces are the next leap in human evolution, merging living neurons with technology to create a “cyber cortex” that could connect minds, restore senses, and blur the line between reality and virtual worlds.

The Future of Brain-Machine Interfaces Is Biohybrid

2025/10/24 23:41

Brain–machine interfaces (BMIs) are devices that can read the electrical impulses generated by neurons and, in turn, stimulate those neurons. This is one of today’s most rapidly advancing fields of technology — and for good reason. BMIs hold the potential to restore vision to the blind, help paralyzed people walk again, enable direct communication between the human brain and artificial intelligence, and even bring us closer to a true Matrix-like virtual reality experience.

When people hear about brain–machine interfaces, they usually think of Elon Musk’s Neuralink. That’s partly due to Musk’s marketing power, but the technology itself also deserves attention. Devices like Neuralink are not the first of their kind, however. One earlier example is the Utah Array, a roughly 4×4 mm device containing a grid of 100 tiny electrodes — resembling a miniature bed of nails. The array is implanted directly into the brain, where it records neural signals that are then processed by an external unit and sent to a computer.

Compared to this, Neuralink represents a far more sophisticated approach — one could call it the Tesla of brain–machine interfaces. The procedure involves cutting a small, coin-sized hole in the skull through which ultra-thin threads, even finer than a human hair, are precisely inserted into specific regions of the brain. This method minimizes tissue damage and requires such extreme precision that it can no longer be performed by human surgeons — instead, a robot handles the implantation.

The processing unit connected to these threads fits neatly into the skull opening, allowing the skin to be replaced over it so that the entire system becomes virtually invisible. Neuralink is, without question, cutting-edge technology that deserves all the attention it gets — but what comes next?

There’s another company, far less known than Neuralink, yet equally deserving of attention. It’s called Science, founded by Max Hodak, who was Neuralink’s co-founder and CEO until 2021. The company conducts several lines of research, but two of them stand out: the PRIMA visual prosthesis and the biohybrid brain–computer interface.

The PRIMA device is a tiny 2×2 mm chip implanted directly into the eye, designed to bypass damaged photoreceptor cells by stimulating the bipolar cells instead. The chip is essentially composed of microscopic solar cells, onto which a laser embedded in a pair of glasses projects the image captured by an integrated camera. The chip then converts this light information into electrical impulses.

One of the key advantages of this approach is that the same laser that transmits visual information to the chip also powers it — eliminating the need for an external energy source. The PRIMA system has already reached clinical trial stages, and the results so far are highly promising. With this technology, thousands of blind individuals could regain partial sight and even recover the ability to read.

In the future, PRIMA could become one of the company’s main commercial products — providing the financial foundation to fund further, even more ambitious research projects.

The second major research direction — and the focus of this article’s title — is the biohybrid brain–computer interface.

One of the biggest challenges in developing BMIs is that the human brain is an extremely dense and compact structure. It consists of an intricate network of neurons, a highly sensitive and finely tuned system with no spare space for wires or external components. Any physical intrusion risks damaging brain tissue, which severely limits what conventional interfaces can achieve.

This is where Science’s biohybrid chip comes in. Like Neuralink, it’s designed to interface directly with the brain, but instead of using metal electrodes or wires, it relies on living neurons. The chip itself is manufactured using standard semiconductor technology and contains numerous microscopic cells. Each of these cells includes a light-emitting micro-LED and a capacitive electrode.

In the next stage of fabrication, genetically modified neurons are placed into these cells. After implantation, these neurons begin to grow synaptic connections, integrating naturally with the surrounding brain tissue. Rather than inserting thousands of wires into the brain with extreme precision, this approach lets biology do the work — allowing the modified neurons to weave themselves into the neural network of the targeted region.

These engineered neurons are light-sensitive, which is why the micro-LEDs are needed to activate them. Their states can then be read via the capacitive electrodes. This technology promises much higher bandwidth communication between the brain and external devices — enabling applications that no existing system could support.

In essence, this technology adds a new, artificial layer of neurons to the human brain. This is particularly fascinating because the brain itself is structured in layers. The newest of these, evolutionarily speaking, is the neocortex — the part responsible for abstract thinking, reasoning, and higher cognition. (“Neo” literally means “new.”)

Now, thanks to biohybrid implants, we may soon add yet another layer — one composed not of naturally evolved neurons, but of engineered, artificial ones. These new neurons would allow our biological brains to connect directly with digital systems.

We could think of this new layer as a kind of cyber cortex — a synthetic neural extension that merges biological and technological intelligence. While the neocortex enabled humanity to rise above instinct-driven behavior and develop civilization, the cyber cortex could be the next great evolutionary leap — one that makes it possible to merge humans with machines.

The emergence of a cyber cortex could transform our world in ways we can hardly imagine. One of the possibilities that Max Hodak often mentions in interviews is the idea of direct brain-to-brain communication.

I find this particularly fascinating because I believe that if human brains could be properly interconnected, we could create shared virtual worlds that require only minimal external computing resources. I wrote about this idea in more detail in one of my previous articles.

https://hackernoon.com/the-free-energy-principle-and-the-simulation-hypothesis?embedable=true

If realized, such technology could enable experiences indistinguishable from reality itself — a kind of Matrix-like virtual world that I consider the holy grail of technology. Once this becomes possible, many of today’s technological challenges might simply become irrelevant.

A virtual reality that is indistinguishable from the physical world — a true Matrix-like environment — could, in my view, become the holy grail of technology. It’s a breakthrough that could render countless other technologies unnecessary.

If most of the resources we use exist only in the virtual realm, then there would be no need for constant innovation in energy production, storage, or material extraction. Instead of solving problems within physical reality, we could reshape reality itself so that those problems no longer exist in the first place.

In a virtual world, scarcity disappears. Resources can be distributed optimally, ensuring that no one has to live in deprivation. Hunger could be eliminated, and wars could become obsolete. A digitally augmented humanity could finally live in balance — not by changing human nature, but by changing the framework of reality in which we exist.

Of course, I’m not naïve. I know that, for now, this still belongs in the realm of science fiction. Yet I wanted to highlight why I believe this might be the most important technology in the world.

Countless books have been written about how our current civilization is unsustainable. We also know that, if things go wrong, humanity possesses the means to wipe itself out completely. Brain–machine interfaces could offer a way out of this trajectory — a path toward something greater.

They hold the promise of nothing less than a new stage in human evolution. Through the merging of biology and technology, we might one day transcend the limitations of our physical form and build realities of our own design.

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Understanding Bitcoin Mining Through the Lens of Dutch Disease

Understanding Bitcoin Mining Through the Lens of Dutch Disease

There’s a paradox at the heart of modern economics: sometimes, discovering a valuable resource can make a country poorer. It sounds impossible — how can sudden wealth lead to economic decline? Yet this pattern has repeated across decades and continents, from the Netherlands’ natural gas boom in the 1960s to oil discoveries in numerous developing countries. Economists have a name for this phenomenon: Dutch Disease. Today, as Bitcoin Mining operations establish themselves in regions around the world, attracted by cheap resources. With electricity and favorable regulations, economists are asking an intriguing question: Does cryptocurrency mining share enough characteristics with traditional resource booms to trigger similar economic distortions? Or is this digital industry different enough to avoid the pitfalls that have plagued oil-rich and gas-rich nations? The Kazakhstan Case Study In 2021, Kazakhstan became a global Bitcoin mining hub after China’s cryptocurrency ban. Within months, mining operations consumed nearly 8% of the nation’s electricity. The initial windfall — investment, jobs, tax revenue — quickly turned to crisis. By early 2022, the country faced rolling blackouts, surging energy costs for manufacturers, and public protests. The government imposed strict mining limits, but damage to traditional industries was already done. This pattern has a name: Dutch Disease. Understanding Dutch Disease Dutch Disease describes how sudden resource wealth can paradoxically weaken an economy. The term comes from the Netherlands’ experience after discovering North Sea gas in 1959. Despite the windfall, the Dutch economy suffered as the booming gas sector drove up wages and currency values, making traditional manufacturing uncompetitive. The mechanisms were interconnected: Foreign buyers needed Dutch guilders to purchase gas, strengthening the currency and making Dutch exports expensive. The gas sector bid up wages, forcing manufacturers to raise pay while competing in global markets where they couldn’t pass those costs along. The most talented workers and infrastructure investment flowed to gas extraction rather than diverse economic activities. When gas prices eventually fell in the 1980s, the Netherlands found itself with a hollowed-out industrial base — wealthier in raw terms but economically weaker. The textile factories had closed. Manufacturing expertise had evaporated. The younger generation possessed skills in gas extraction but limited training in other industries. This pattern has repeated globally. Nigeria’s oil discovery devastated its agricultural sector. Venezuela’s resource wealth correlates with chronic economic instability. The phenomenon is so familiar that economists call it the “resource curse” — the observation that countries with abundant natural resources often perform worse economically than countries without them. Bitcoin mining creates similar dynamics. Mining operations are essentially warehouses of specialized computers solving mathematical puzzles to earn bitcoin rewards (currently worth over $200,000 per block) — the catch: massive electricity consumption. A single facility can consume as much power as a small city, creating economic pressures comparable to those of traditional resource booms. How Mining Crowds Out Other Industries Dutch Disease operates through four interconnected channels: Resource Competition: Mining operations consume massive amounts of electricity at preferential rates, leaving less capacity for factories, data centers, and residential users. In constrained power grids, this creates a zero-sum competition in which mining’s profitability directly undermines other industries. Textile manufacturers in El Salvador reported a 40% increase in electricity costs within a year of nearby mining operations — costs that made global competitiveness untenable. Price Inflation: Mining operators bidding aggressively for electricity, real estate, technical labor, and infrastructure drive up input costs across regional economies. Small and medium enterprises operating on thin margins are particularly vulnerable to these shocks. Talent Reallocation: High mining wages draw skilled electricians, engineers, and technicians from traditional sectors. Universities report declining enrollment in manufacturing engineering as students pivot toward cryptocurrency specializations — skills that may prove narrow if mining operations relocate or profitability collapses. Infrastructure Lock-In: Grid capacity, cooling systems, and telecommunications networks optimized for mining rather than diversified development make regions increasingly dependent on a single volatile industry. This specialization makes economic diversification progressively more difficult and expensive. Where Vulnerability Is Highest The risk of mining-induced Dutch Disease depends on several structural factors: Small, undiversified economies face the most significant risk. When mining represents 5–10% of GDP or electricity consumption, it can dominate economic outcomes. El Salvador’s embrace of Bitcoin and Central Asian republics with significant mining operations exemplify this concentration risk. Subsidized energy creates perverse incentives. When governments provide electricity at a loss, mining operations enjoy artificial profitability that attracts excessive investment, intensifying Dutch Disease dynamics. The disconnect between private returns and social costs ensures mining expands beyond economically efficient levels. Weak governance limits effective responses. Without robust monitoring, transparent pricing, or enforceable frameworks, governments struggle to course-correct even when distortions become apparent. Rapid, unplanned growth creates an immediate crisis. When operations scale faster than infrastructure can accommodate, the result is blackouts, equipment damage, and cascading economic disruptions. Why Bitcoin Mining Differs from Traditional Resource Curses Several distinctions suggest mining-induced distortions may be more manageable than historical resource curses: Operational Mobility: Unlike oil fields, mining facilities can relocate relatively quickly. When China banned mining in 2021, operators moved to Kazakhstan, the U.S., and elsewhere within months. This mobility creates different dynamics — governments have leverage through regulation and pricing, but also face competition. The threat of exit disciplines both miners and regulators, potentially yielding more efficient outcomes than traditional resource sectors, where geographic necessity reduces flexibility. No Currency Appreciation: Classical Dutch Disease devastated manufacturing due to currency appreciation. Bitcoin mining doesn’t trigger this mechanism — mining revenues are traded globally and typically converted offshore, avoiding the local currency effects that made Dutch products uncompetitive in the 1960s. Export-oriented manufacturing can remain price-competitive if direct resource competition and input costs are managed. Profitability Volatility: Mining economics are extraordinarily sensitive to Bitcoin prices, network difficulty, and energy costs. When Bitcoin fell from $65,000 to under $20,000 in 2022, many operations became unprofitable and shut down rapidly. This boom-bust cycle, while disruptive, prevents the permanent structural transformation characterizing oil-dependent economies. Resources get released back to the broader economy during busts. Repurposable Infrastructure: Mining facilities can be repurposed as regular data centers. Electrical infrastructure serves other industrial uses. Telecommunications upgrades benefit diverse businesses. Unlike exhausted oil fields requiring environmental cleanup, mining infrastructure can support cloud computing, AI research, or other digital economy activities — creating potential for positive spillovers. Managing the Risk: Three Approaches Bitcoin stakeholders and host regions should consider three strategies to capture benefits while mitigating Dutch Disease risks: Dynamic Energy Pricing: Moving from fixed, subsidized rates toward pricing that reflects actual resource scarcity and opportunity costs. Iceland and Nordic countries have implemented time-of-use pricing and interruptible contracts that allow mining during off-peak periods while preserving capacity for critical uses during demand surges. Transparent, rule-based pricing formulas that adjust for baseline generation costs, grid congestion during peak periods, and environmental externalities let mining flourish when economically appropriate while automatically constraining it during resource competition. The challenge is political — subsidized electricity often exists for good reasons, including supporting industrial development and helping low-income residents. But allowing below-cost electricity to attract mining operations that may harm more than help represents a false economy. Different jurisdictions are finding different balances: some embrace market-based pricing, others maintain subsidies while restricting mining access, and some ban mining outright. Concentration Limits: Formal constraints on mining’s share of regional electricity and economic activity can prevent dominance. Norway has experimented with caps limiting mining to specific percentages of regional power capacity. The logic is straightforward: if mining represents 10–15% of electricity use, it’s significant but doesn’t dominate. If it reaches 40–50%, Dutch Disease risks become severe. These caps create certainty for all stakeholders. Miners understand expansion parameters. Other industries know they won’t be entirely squeezed out. Grid operators can plan with more explicit constraints. The challenge lies in determining appropriate thresholds — too low forgoes legitimate opportunity, too high fails to prevent problems. Smaller, less diversified economies warrant more conservative limits than larger, more robust ones. Multi-Purpose Infrastructure: Rather than specializing exclusively in mining, strategic planning should ensure investments serve broader purposes. Grid expansion benefiting diverse industrial users, telecommunications targeting rural connectivity alongside mining needs, and workforce programs emphasizing transferable skills (data center operations, electrical systems management, cybersecurity) can treat mining as a bridge industry, justifying infrastructure that enables broader digital economy development. Singapore’s evolution from an oil-refining hub to a diversified financial and technology center provides a valuable template: leverage the initial high-value industry to build capabilities that support economic complexity, rather than becoming path-dependent on a single volatile sector. Some regions are applying this thinking to Bitcoin mining — asking what infrastructure serves mining today but could enable cloud computing, AI research, or other digital activities tomorrow. Conclusion The parallels between Bitcoin mining and Dutch Disease are significant: sudden, high-value activity that crowds out traditional industries through resource competition, price inflation, talent reallocation, and infrastructure specialization. Kazakhstan’s 2021–2022 experience demonstrates this pattern can unfold rapidly. Yet essential differences exist. Mining’s mobility, currency neutrality, profitability volatility, and repurposable infrastructure create policy opportunities unavailable to governments confronting traditional resource curses. The question isn’t whether mining causes economic distortion — in some contexts it clearly has — but whether stakeholders will act to channel this activity toward sustainable development. For the Bitcoin community, this means recognizing that long-term industry viability depends on avoiding the resource curse pattern. Regions devastated by boom-bust cycles will ultimately restrict or ban mining regardless of short-term benefits. Sustainable growth requires accepting pricing that reflects actual costs, respecting concentration limits, and contributing to infrastructure that serves broader economic purposes. For host regions, the challenge is capturing mining’s benefits without sacrificing economic diversity. History shows resource booms that seem profitable in the moment often weaken economies in the long run. The key is recognizing risks during the boom — when everything seems positive and there’s pressure to embrace the opportunity uncritically — rather than waiting until damage becomes undeniable. The next decade will determine whether Bitcoin mining becomes a cautionary tale of resource misallocation or a case study in integrating volatile, technology-intensive industries into developing economies without triggering historical pathologies. The outcome depends not on the technology itself, but on whether humans shaping investment and policy decisions learn from history’s repeated lessons about how sudden wealth can become an economic curse. References Canadian economy suffers from ‘Dutch disease’ | Correspondent Frank Kuin. https://frankkuin.com/en/2005/11/03/dutch-disease-canada/ Sovereign Wealth Funds — Angadh Nanjangud. https://angadh.com/sovereignwealthfunds Understanding Bitcoin Mining Through the Lens of Dutch Disease was originally published in Coinmonks on Medium, where people are continuing the conversation by highlighting and responding to this story
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Medium2025/11/05 13:53