quantumcomputing

Think your crypto is unhackable? Think again. The industry is silently bracing for a massive paradigm shift: Quantum Computing.
While traditional cryptography would take classical supercomputers billions of years to crack, upcoming quantum machines running Shor’s Algorithm could reverse-engineer private keys from public addresses in mere minutes.
Why Crypto is in the Crosshairs:
No "Undo" Button: Unlike traditional banks, a hacked blockchain wallet can’t be frozen or refunded. Code is law—once it's gone, it’s gone.The "HNDL" Trap: Bad actors are using a strategy called Harvest Now, Decrypt Later. They are collecting encrypted blockchain data today, waiting to unlock it the second quantum tech matures.Exposed Keys: Roughly 25% to 30% of all Bitcoin sits in older or reused addresses with exposed public keys, leaving billions vulnerable.
The Good News? The Counter-Attack Has Begun 🛡️
The timeline has shrunk to a 3-to-5-year planning window, and the industry isn't sitting still. Networks are aggressively migrating to Post-Quantum Cryptography (PQC)—using complex mathematical structures (like lattice-based cryptography) that even quantum physics can’t crack.
The blockchain will survive, but the race to upgrade global infrastructure before the 2030 deadline is officially on.
What are your thoughts? Will decentralized networks upgrade fast enough, or will older "lost" coins be drained? Let's discuss below! 👇
#CryptoSecurity #quantumcomputing #BlockchainTech #Web3

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Šī OpenLedger ir...
Jo vairāk es pētu, jo vairāk jūtu, ka kaut kas nav kārtībā.
Viņu AI stāsts ir ļoti labs. Tiešām. 2025. un 2026. gadā cilvēki sacenšas par vismodernāko AI. OpenLedger iekļūst īstajā brīdī.
Blockchain, kas speciāli izstrādāts AI, Attribution Proof, dati, kas var tikt izsekti on-chain. Izskatās solīgi.
Bet es joprojām atceros vienu lietu.
Kvantdatori.
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Strukturālā ilgmūžība $BTC
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Tīkla sākums bija kustība. Agrīnie ciparaktivisti veltīja gadus kriptogrāfijai, privātuma rīkiem un digitālās naudas eksperimentiem pirms ģenēzes bloka ieguves. Šī ideoloģiskā pamatojuma rezultātā radās necaurlaidīgs protokols, kas spēj izturēt globālas pretinieku vides. Šodien šī izturība sastop jaunas tehnoloģiskās robežas. Lai gan kvantu skaitļošanas ietekme uz kriptogrāfiju satrauc dažus kritiķus, izstrādātāji jau projektē pēc-kvantu parakstu shēmas. Šie nākotnes drošības atjauninājumi nodrošinās, ka tīkls paliek pilnīgi drošs no progresīvām skaitļošanas draudiem vēl pirms tie kļūst par reālu komerciālu risku.

In May 2026, a research team from the University of Science and Technology of China (USTC), led by renowned physicist Pan Jianwei, announced a monumental milestone in quantum computing with the unveiling of Jiuzhang 4.0.
This latest-generation photonic quantum computer has shattered previous records, demonstrating an unimaginable level of "quantum advantage" over the world's most powerful classical supercomputers.
Solving Gaussian Boson Sampling (GBS) Jiuzhang 4.0: Achieving an Unprecedented Quantum Leap in Computing
In May 2026, a research team from the University of Science and Technology of #China (USTC), led by renowned physicist Pan Jianwei, announced a monumental milestone in quantum computing with the unveiling of Jiuzhang 4.0.
This latest-generation photonic quantum computer has shattered previous records, demonstrating an unimaginable level of "quantum advantage" over the world's most powerful classical supercomputers.
Solving Gaussian Boson Sampling (GBS)
The true measure of Jiuzhang 4.0’s dominance lies in its performance on a highly complex mathematical problem known as Gaussian Boson Sampling (GBS).
This problem simulates the behavior of non-classical light particles (photons) as they pass through a dense, intricate network of beamsplitters and mirrors. While classical computers must calculate an exponentially growing number of probabilities to track these particles, a photonic quantum computer naturally solves the problem simply by letting the light flow through its circuit.
Jiuzhang 4.0 achieved an astronomical breakthrough by manipulating up to 3,050 photons. It successfully completed the GBS task in just 25.6 microseconds.
To put this into perspective, if we were to task the world's fastest conventional supercomputer with solving the exact same problem, it would require approximately 10^{54} times longer than Jiuzhang 4.0 to finish. This represents a computational speedup so vast that it firmly establishes China's lead in the optical quantum computing sector.
Technical Innovations Behind the Speed
The immense jump in processing power from the previous model (Jiuzhang 3.0) to version 4.0 was made possible by overcoming severe physical bottlenecks in photonics:
Spatial-Temporal Hybrid Encoding: Earlier quantum photonic prototypes were rigid and could only execute a single, hardwired task. Jiuzhang 4.0 integrates a newly designed spatial-temporal hybrid encoding mechanism, drastically increasing the system's reconfigurability and programmability.Mitigating Photon Loss: In light-based computing, losing photons as they travel through a circuit destroys the calculation. The USTC team raised the efficiency of the quantum light source to 92%, bringing the total system collection efficiency to a groundbreaking 51%.
Future Implications
While Jiuzhang 4.0 is a specialized (rather than universal) quantum processor, its ability to process complex probabilistic distributions at a factor of 10^{54} faster than classical systems has massive real-world potential.
The algorithmic principles tested by this machine are directly applicable to optimizing graph theory, enhancing machine learning models, accelerating quantum chemistry simulations, and developing next-generation cryptographic systems capable of securing data in the upcoming quantum era.
#Jiuzhang #QuantumComputing #Ai #GBS .