#zero-knowledge proofs

[crypto28ro]

Recapitulare completă a pieței cripto în aprilie 2025: Volatilitate, reglementări și tendințe emergente

În aprilie 2025, piața criptomonedelor a traversat o perioadă de volatilitate accentuată, influențată de evenimente macroeconomice, reglementări în schimbare și evoluții tehnologice. Această recapitulare detaliată analizează principalele momente ale lunii, oferind o perspectivă cuprinzătoare asupra tendințelor care au modelat ecosistemul cripto. Evoluția pieței: corecții semnificative și…

[crypto28ro]

Mimblewimble – Protocol Blockchain axat pe Confidențialitate

IntroducereMimblewimble este un protocol blockchain conceput cu accent pe confidențialitate, securitate și scalabilitate. Inițial propus de un dezvoltator anonim, acest protocol revoluționează modul în care se efectuează tranzacțiile, asigurând anonimatul și protejând datele financiare ale utilizatorilor. În plus, Mimblewimble oferă o fungibilitate sporită, eliminând diferențele între monedele…

[oodlesblockchain01]

Diverse Use Cases and Applications ZK Proofs

Zero-knowledge proofs (ZK proofs) have emerged as a groundbreaking cryptographic technique with the potential to revolutionize privacy, security, and trust in various domains using blockchain development services. In this comprehensive blog, we delve into the fascinating world of ZK proofs, exploring their use cases, applications, and implications across different industries.

Understanding Zero-Knowledge Proofs

Zero-knowledge proofs are cryptographic protocols that allow one party (the prover) to prove the validity of a statement to another party (the verifier) without revealing any information beyond the statement’s truth. Basic to ZK proofs is their ability to validate calculations or statements without disclosing the inputs or underlying data.

Also, Read | Exploring zkSync for Optimizing Blockchain Scalability

Key Properties of Zero-Knowledge Proofs:

Privacy

ZK proofs preserve the privacy of sensitive information by allowing parties to interact without revealing any confidential data.

Verifiability

ZK proofs ensure trust and integrity in transactions by enabling quick and verifiable authentication of statements or computations.

Efficiency

Because of their computational efficiency, ZK proofs may be quickly verified and scaled to a wide range of applications.

Soundness

ZK proofs provide strong guarantees of correctness and security, ensuring that only valid statements can be proven true.

Use Cases and Applications of ZK Proofs

Privacy-Preserving Identity Verification

One of the key use cases of ZK proofs is to authenticate identities and credentials without disclosing personal information, enabling privacy-preserving identity verification in various contexts such as online authentication, access control, and KYC (Know Your Customer) processes.

Applications

Decentralized identity platforms

Secure login systems

Identity management solutions.

Confidential Transactions

ZK proofs enable the verification of transaction validity without revealing the transaction details, ensuring financial privacy and confidentiality in cryptocurrency transactions.

Applications

Privacy-focused cryptocurrencies

Confidential payment systems

Secure financial transactions

Secure Data Sharing and Collaboration

ZK proofs allow parties to prove the correctness of computations or data without sharing the underlying data itself, enabling secure data sharing and collaboration in sensitive environments.

Applications

Secure multiparty computation

Confidential data analysis

Private information sharing among organizations

Supply Chain Traceability and Provenance

ZK proofs can be utilized to prove the authenticity and integrity of supply chain data, enabling transparent and verifiable traceability of goods and products from origin to destination.

Applications

Supply chain management

Product authenticity verification

Anti-counterfeiting measures

Decentralized Finance (DeFi) and Blockchain

ZK proofs provide efficient, scalable, and privacy solutions for decentralised finance applications, allowing for safe asset transfers, scalable computations, and private transactions.

Applications

Privacy-preserving smart contracts

Confidential asset swaps

Scalable blockchain solutions

Also, Check | Comprehending ZK Rollups | Layer 2 Scaling Solutions

Conclusion

Zero-knowledge proofs represent a powerful cryptographic tool with diverse applications and far-reaching industry implications. From enhancing privacy and security to enabling scalable and efficient transactions, use cases of ZK proofs offer innovative solutions to complex challenges in today’s digital world. ZK proofs should become more widely used and integrated as the technology develops and matures. This will open up new avenues for privacy-preserving and trustless interactions in the digital age. If you are interested in developing your project using ZK proofs, connect with our blockchain developers for more information.

[mobiloittesingaporepost]

Zero-Knowledge Proofs: A Powerful Tool for Privacy and Security

Zero-knowledge proofs (ZKPs) are a powerful tool that can help to protect our privacy. ZKPs allow us to prove to someone that we know something without actually revealing what that something is. This can be used to verify our identity, our eligibility for a service, or our knowledge of a secret without revealing any of that information to the other party.

[btcmanager]

ING Bank Fixes Security and Privacy Loophole in Corda Blockchain

ING Bank Fixes Security and Privacy Loophole in Corda Blockchain

ING Bank, a Dutch multinational banking and financial services corporation that has been exploring the potential of distributed ledger technology (DLT), has patched the security and privacy loopholes present in R3’s Corda blockchain platform by applying zero-knowledge proofs (ZKPs) to Corda’s notary service, according to reports on October 23, 2019. ING Makes Corda Better  TheRead More

https://btcmanager.com/ing-bank-security-privacy-corda-blockchain/?utm_source=Tumblr&utm_medium=socialpush&utm_campaign=SNAP

[markoprljic]

Privacy on the Blockchain: Zero Knowledge Proofs and Their Future Applications

Notes from the talk by Elad Verbin at Web3Summit.

https://oceanprotocol.com https://www.openmined.org

Cryptographically provable privacy Private computation Crypto Governance

Privacy on the blockchain, why should I care?

Reasons:

1. Blockchain privacy is broken! Public keys are visible to everyone if you use it for any transactions all activity is visible on the chain. 2. Private computation is necessary for Web3. Uber example, complex system, post private information on the blocks, reputation change, a business logic, that means computation changes. With public computation, you can’t do that without publicly visible, with private computation you can without revealing the business logic. 3. More privacy - > more information shared - > more value all around. It fosters collaboration. In a world where everything is computed privately, we would have a lot of collaboration.

Private computations: Zero-Knowledge Proofs, Secure Multiparty Computation, sk-Snarks, homographic encryption, secure function evaluation.

Secure Multiparty Computation (SMPC)

Zero-knowledge: I want to prove something without telling you the details about it, without teaching you how I do it.  

https://zkp.science http://www.multipartycomputation.com/mpc-software

How is private computation used?

Example: Ad Auctions

• publishers are trusted middlemen with massive access to our private data, we must decentralize them • Run SMPC-based auction • User data is kept private • they can now advertise based on private data (browser history, bank records, medical records, DNA)

I can advertise based on your DNA. This is not the world I want to live in, it’s a world I’ll be living in.

Reward user for sharing data. More data -> more reward

Algorithmic Redistribution of Wealth combining:

• Algorithmic (reinforcement learning, control, and optimization theory) • Mechanism design (game theory) • Economics (public policy, economics, behavioral economics) • Cryptography (SMPC)

Practical issues:

• How do I use SMPC in my dApp? • Is SMPC too slow? Yes, but we can believe in Moore’s Law for private computation. We can use Trusted Execution Environments (enigma) https://enigma.co • Will the user trust you/your dApp?

Conclusion:

1. Private Computation is not Private Communication 2. Web3 requires private computation 3. Massive design space will unfold over the next 10 years 4. To apply SMPC we should figure out the function f