googlecrypto

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Google adopta tecnología de prueba de conocimiento cero para mejorar la privacidad en las identificaciones digitales
La comunidad cripto elogió la integración de ZKP de Google como un paso significativo en la combinación de la tecnología de privacidad con las principales plataformas digitales.
Google ha añadido la tecnología Zero-Knowledge Proof (ZKP) a su plataforma Google Wallet para fortalecer la privacidad del usuario en los sistemas de identidad digital.
La compañía confirmó que esta función está activa y permite a los usuarios verificar su edad en aplicaciones, sitios web y dispositivos, sin revelar información personal.
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Según Google:
“Usaremos ZKP cuando corresponda en otros productos de Google y nos asociaremos con aplicaciones como Bumble, que usará identificaciones digitales de Google Wallet para verificar la identidad del usuario y ZKP para verificar la edad”.
Además, el gigante tecnológico tiene planes de hacer de código abierto sus herramientas ZKP, lo que permitirá a otros proveedores de billeteras y desarrolladores adoptar sistemas de autenticación que prioricen la privacidad.
Este desarrollo surge del esfuerzo de Google por crear una capa de identidad que preserve la privacidad, especialmente a medida que más servicios en línea, como las plataformas de citas, requieren la validación de edad. Explicó:
Dado que muchos sitios y servicios requieren verificación de edad, queríamos desarrollar un sistema que no solo verifique la edad, sino que lo haga de una manera que proteja su privacidad.
Las pruebas de conocimiento cero son herramientas criptográficas que permiten a una parte confirmar un hecho a otra sin revelar los datos subyacentes.
Cabe destacar que las ZKP ya se utilizan en ecosistemas blockchain como Cardano y Ethereum para permitir transacciones privadas, verificación de identidad y soluciones escalables. Vitalik Buterin , cofundador de Ethereum, también ha destacado su potencial en áreas como la votación a prueba de manipulaciones, el seguimiento de la cadena de suministro y la seguridad de datos.
Mientras tanto, la adopción de ZKP por parte de Google ha recibido elogios de la comunidad criptográfica, muchos de los cuales lo ven como una validación de una tecnología defendida desde hace mucho tiempo en el espacio blockchain.
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Rob Viglione, cofundador de Horizen Labs, dijo a CryptoSlate que la decisión de Google es "una clara señal de que las innovaciones impulsadas por la privacidad se están volviendo comunes y que el conocimiento cero se convertirá en uno de los casos de uso más transformadores de las criptomonedas [que beneficia] a los usuarios cotidianos".
Añadió:
Es emocionante ver que las empresas líderes reconocen que la privacidad no debería ser un lujo ni una consideración posterior, sino una opción predeterminada.
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Başqa bir gün, başqa bir Layer-1 blokçeyi arenaya daxil olur. Bu dəfə Google, öz şəbəkəsinin təqdimatı ilə: Google Cloud Universal Ledger (GCUL) - kripto degens və ya NFT flipper-lər üçün deyil, banklar, birjalar və institutlar üçün qurulmuş bir Layer-1-dir. Bu, CME Group ilə əməkdaşlıqda sınaqdan keçirilir, 2026-cı ildə tam tətbiq olunması gözlənilir.
Kağız üzərində, GCUL digər blokçeynlərin nadir hallarda təqdim etdiyi şeyləri vəd edir: neytrallıq, yüksək performans və Python-a əsaslanan ağıllı müqavilələr vasitəsilə inkişafçıya erişim. Ancaq uğursuz L1 təcrübələri ilə dolu bir sahədə sual ədalətlidir: Google başqalarının çökmədiyi yerdə uğur qazanacaqmı?

There's been a lot of noise lately about Google's Willow chip and how it might spell doom for Bitcoin, but the truth is, Bitcoin isn't afraid. In fact, Satoshi Nakamoto, Bitcoin's mysterious creator, predicted the potential threat from quantum computing as far back as 14 years ago. While some critics are shouting about a "crypto apocalypse," Bitcoin developers have been quietly working on building quantum resistance. Let's dig deeper into what's really going on.

### What is Google's Willow Chip and Quantum Technology?

Google's Willow chip is a significant development in the world of quantum computing. Quantum technology is a revolutionary field that operates based on the principles of quantum mechanics. Unlike traditional computers that use bits to represent either a 0 or a 1, quantum computers use qubits. These qubits can exist in multiple states simultaneously, thanks to a property called superposition. This enables quantum computers to perform complex calculations at speeds far beyond what our current supercomputers can achieve.

The Willow chip, specifically, is a 105-qubit processor. It also features revolutionary error correction and has unprecedented stability. It managed to solve a particular calculation in just 5 minutes, a calculation that would take our most powerful supercomputers an unimaginably long time – 10²⁵ years (which is way longer than the age of the universe, by the way). But it's important to note that it solved just one specific problem.

### What is Quantum Technology Used For?

Quantum technology has various potential applications. In fields like science, it can help with complex simulations that are impossible or extremely time-consuming for classical computers. For example, it could be used to model chemical reactions at a molecular level more accurately, which is useful in developing new drugs or materials. In the business world, it might optimize supply chain logistics or improve financial modeling. It's a technology that holds the promise of solving problems that have been too difficult for traditional computing methods.

### The Link Between Bitcoin, Blockchain, and Quantum Technology

Bitcoin and blockchain rely on encryption to secure transactions and maintain the integrity of the network. The encryption used in Bitcoin, like the ECDSA (Elliptic Curve Digital Signature Algorithm), is designed to keep transactions private and wallets secure. Quantum technology, in theory, could pose a threat to this encryption because with enough qubits and computing power, it might be possible to break these encryption methods. For instance, in the future, if quantum computers with a huge number of qubits (estimated at 13 million or more) were developed, they could theoretically break ECDSA encryption, reverse-engineer private keys, access any wallet, and move funds without permission.

### Why Bitcoin Isn't Afraid of the Willow Chip and Quantum Technology

The Willow chip, despite its impressive capabilities, has only 105 qubits. To break Bitcoin's encryption, we're talking about needing 13 million or more qubits. That's a massive gap – a 23,800x improvement that needs to happen. Even with Moore's Law, which describes the trend of increasing computing power over time, we're still decades away from reaching that level of qubit power.

Moreover, the Bitcoin community has been proactive. Satoshi Nakamoto foresaw this issue back in 2010 and outlined a plan for transitioning to new cryptography if needed. Since then, Bitcoin has continuously evolved to overcome threats. For example:
- In 2017, SegWit was introduced, which solved scaling issues and eliminated transaction malleability.
- In 2018, the Lightning Network was launched, enabling instant and nearly free transactions.
- In 2021, Taproot brought enhanced privacy and smart contract capabilities.

And now, there are already plans in motion for quantum resistance. These include upgrades like:
- Implementing SPHINCS+ signature, which is designed to be resistant to attacks from quantum computers.
- Integrating lattice-based cryptography that offers strong security even against quantum threats.
- Using hash-based signature schemes for added protection.
- Incorporating zero-knowledge proof layers to enhance privacy without sacrificing security.
- Building multi-layered validation systems to make the network more robust.
- Adopting quantum-resistant address formats to safeguard wallet addresses.
- Adding time-locked security features to control access to funds.
- Developing emergency migration protocols in case of unexpected quantum-related issues.

These upgrades are not just theoretical ideas; they're currently being tested on Bitcoin's testnet. It's like strengthening a castle's defenses. New locks (signature updates) are being added, replacing old ones with quantum-proof versions, making keys impossible to copy even by quantum computers, and adding multiple layers of security. The network's protection is also being enhanced, strengthening every entry point, creating escape routes for funds if necessary, and establishing emergency protection systems.

The beauty of these upgrades is that they can be implemented smoothly, without disrupting the existing Bitcoin network. Old keys will still work, and everyone's holdings remain safe. So, while critics are panicking about theoretical threats, Bitcoin developers are already building solutions for problems that may not even arise for a long time. By the time quantum computers become powerful enough to pose a real threat to Bitcoin, the network will have already evolved to stay out of their reach.

In conclusion, Bitcoin's track record of successful evolution over the past decade shows that it's more than capable of handling the potential challenges from quantum technology. Your Bitcoin is actually safer than you might think, even with the advent of quantum computers. In fact, by the time quantum computers reach the level where they could theoretically threaten Bitcoin, traditional banks might be in a much more compromised position.

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