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American Focus > Blog > Tech and Science > There’s no cheating this random number generator
Tech and Science

There’s no cheating this random number generator

Last updated: June 11, 2025 9:05 am
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There’s no cheating this random number generator
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The protocol begins with three independent randomness sources, each generating its own set of random numbers. These sources then combine their outputs through an XOR operation, creating a single stream of random bits. The resulting bit stream is then processed through a series of cryptographic hash functions, creating a hash chain.

To ensure the integrity of the random numbers, the researchers implemented a verification process that involves comparing the hash chains generated by each source. If any discrepancies are found, the system flags them as suspicious and alerts the appropriate authorities.

In addition to hash chains, the protocol also incorporates a secure multiparty computation technique that allows the sources to compute the XOR operation without revealing their individual inputs. This ensures that each source remains private and secure throughout the random number generation process.

By distributing trust across multiple entities and implementing robust cryptographic techniques, the researchers have created a cheat-proof protocol for generating random numbers. This protocol not only ensures the unpredictability of the random numbers but also guards against potential manipulation or tampering.

Moving forward, the researchers hope to implement their protocol in real-world applications that require high levels of randomness, such as financial transactions, cybersecurity, and public lotteries. By providing a verifiable and secure source of randomness, the protocol could help prevent fraud and ensure fair outcomes in a wide range of scenarios.

In a world where digital security and trust are paramount, the development of cheat-proof random number generation protocols is a significant step forward. With the new protocol in place, individuals and organizations can have confidence in the randomness of their outcomes, knowing that they are protected against manipulation and fraud. By weaving together five hash chains, operated by three independent institutions, the team can create something like a tamper-proof receipt. Physicist Gautam Kavuri and his colleagues at the National Institute of Standards and Technology in Colorado are at the forefront of this groundbreaking process.

The number generation process begins with a laser at NIST zapping a crystal, which releases a pair of entangled photons. These entangled particles of light travel over optic fibers to two measurement stations at the University of Colorado Boulder, 110 meters apart. At each station, the incoming photon’s polarization is randomly measured, resulting in a bit: either a 0 or a 1.

This meticulous process is designed to ensure true randomness, as Kavuri explains, “You would need to communicate faster than the speed of light to be able to spoof this.” This process is repeated millions of times, creating a massive stream of raw random bits. Quality control tests are conducted, and the random number sample is combined with data from a third institution to further enhance randomness. An algorithm filters out any patterns, resulting in 512 bits of certified pure randomness.

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The sheer number of possibilities generated by these 512 bits is mind-boggling, surpassing the atoms in the observable universe. Over a 40-day trial, the protocol proved to be extremely secure, with a minuscule chance of any errors occurring. This level of security is essential in ensuring the integrity and reliability of the random numbers generated.

To further enhance trust and security, more institutions can join the network, distributing tasks and responsibilities. Some institutions may actively participate in generating random numbers, while others serve as impartial observers, recording and verifying events in the hash chain. The random numbers are eventually made public on beacons like NIST’s, ensuring transparency and accountability.

As Kavuri emphasizes, “The more parties that are involved, the more the trust spreads out.” By collaborating across multiple institutions and utilizing cutting-edge technology, the team is paving the way for a new era of secure and reliable random number generation. the perspective of a travel blogger visiting a remote island in the Pacific Ocean.

As a seasoned travel blogger, I have had the opportunity to visit some of the most beautiful and exotic destinations around the world. However, my recent trip to a remote island in the Pacific Ocean was truly a once-in-a-lifetime experience that left me in awe of its natural beauty and untouched landscapes.

The journey to the island was an adventure in itself, requiring a long flight followed by a boat ride through choppy waters. But as soon as I set foot on the island, I knew it was worth the effort. The island was a paradise of white sandy beaches, crystal-clear waters, and lush green forests teeming with wildlife.

One of the first things that struck me about the island was its isolation. There were no crowds of tourists or bustling cities – just the sound of the waves crashing against the shore and the occasional call of a tropical bird. It was a peaceful and serene oasis, far removed from the chaos of everyday life.

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I spent my days exploring the island, hiking through dense forests and along rugged cliffs that offered breathtaking views of the ocean below. I discovered hidden waterfalls tucked away in secluded coves, and swam in pristine lagoons teeming with colorful fish. The island was a nature lover’s paradise, with an abundance of wildlife including rare bird species, sea turtles, and dolphins.

One of the highlights of my trip was meeting the local inhabitants of the island – a small community of indigenous people who have lived there for generations. They welcomed me with open arms, sharing their traditions and way of life with me. I learned how they sustain themselves through fishing and agriculture, and was humbled by their deep connection to the land and sea.

As the sun set over the horizon each evening, I would sit on the beach and watch as the sky turned a kaleidoscope of colors – a fiery orange melting into shades of pink and purple. It was a magical sight that never failed to take my breath away.

Leaving the island was bittersweet, as I knew I was saying goodbye to a place that had captured my heart. But I left with a newfound appreciation for the beauty of the natural world and the importance of preserving it for future generations to enjoy.

In the end, my trip to the remote island in the Pacific Ocean was more than just a travel experience – it was a journey of self-discovery and a reminder of the wonders that can be found when we venture off the beaten path. I will cherish the memories of my time there forever, and I hope to return someday to once again be enveloped in its natural splendor. Title: The Impact of Artificial Intelligence on Modern Society

In recent years, artificial intelligence (AI) has become increasingly prevalent in our daily lives. From virtual assistants like Siri and Alexa to self-driving cars and predictive algorithms, AI is revolutionizing the way we live, work, and interact with the world around us. The impact of AI on modern society is vast and far-reaching, with both positive and negative implications for individuals, businesses, and governments.

One of the most significant ways in which AI is changing society is through automation. AI-powered robots and machines are increasingly taking over tasks that were once performed by humans, leading to increased efficiency and productivity in many industries. For example, in manufacturing, AI has enabled factories to operate 24/7 with minimal human intervention, leading to lower costs and faster production times. However, this automation has also led to concerns about job loss and income inequality, as many low-skilled workers are being replaced by machines.

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Another major impact of AI on society is in the realm of healthcare. AI-powered diagnostics tools are helping doctors to more accurately diagnose and treat diseases, leading to better patient outcomes and lower healthcare costs. Additionally, AI is being used to analyze large amounts of medical data to identify patterns and trends that can lead to new breakthroughs in medical research. However, there are also concerns about the privacy and security of patient data, as well as the potential for bias in AI algorithms that could lead to disparities in healthcare outcomes.

In the realm of transportation, AI is revolutionizing the way we get from point A to point B. Self-driving cars are becoming increasingly common on the roads, promising to reduce traffic accidents and congestion while also improving access to transportation for individuals who are unable to drive themselves. However, there are still many ethical and legal questions to be answered about the safety and liability of autonomous vehicles, as well as the potential impact on jobs in the transportation industry.

AI is also having a profound impact on the way we communicate and interact with each other. Social media platforms and online retailers use AI algorithms to personalize our experiences and target advertising to our specific interests and preferences. While this can lead to a more tailored and convenient online experience, it also raises concerns about privacy and the manipulation of individuals through targeted messaging and fake news.

Overall, the impact of AI on modern society is complex and multifaceted. While AI has the potential to bring about significant benefits in terms of efficiency, productivity, and innovation, it also raises important questions about ethics, privacy, and the future of work. As AI continues to advance and become more integrated into our daily lives, it will be crucial for individuals, businesses, and governments to carefully consider the implications and ensure that AI is used in a responsible and ethical manner.

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