Nym has introduced its new technology — ZK-Nyms. This technology allows users to choose which personal information they want to disclose. ZK-Nyms will be used in Nym Mixnet to confirm the payment for the use of any service.

Read more: https://blog.nymtech.net/press-release-nym-unveils-zero-knowledge-anonymous-credentials-zk-nyms-at-sxsw-6d56bd31802a

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In today’s digital age, the internet has become an integral part of our lives, connecting us to a wealth of information and services. However, this connectivity comes at a cost — our online activities and communications are often far from private. Nym is a pioneering solution to address this pressing issue by offering advanced privacy-preserving software to developers and end users.

The Problem of Internet Surveillance
One of the most significant issues plaguing the internet is the visibility of traffic patterns to anyone monitoring the network. Even when content is encrypted, metadata and communication patterns can unveil sensitive information about individuals and systems. This is where Nym steps in to protect internet traffic and user privacy.
Decentralized Mixnet and zk-Nyms
Nym’s primary innovation is its decentralized mixnet, which offers a robust privacy solution. By routing internet traffic through this mixnet, users can access the network anonymously using zk-nyms. This technology ensures that not only the content but also metadata, including IP addresses, communication partners, timing, and device information, remains hidden.
The Role of Nym Tools
Nym provides users with powerful tools to safeguard their privacy. Whether you’re concerned about surveillance, unauthorized data collection, or protecting sensitive communications on blockchains and apps, Nym’s tools offer a reliable defense.
Privacy as a Fundamental Right
Privacy is more than just a technological feature; it’s a fundamental right that ensures the dignity, security, and freedom of societies to develop in a direction of their own choice. In an age characterized by datafication and artificial intelligence, Nym is a critical player in upholding these principles.
The Mixnet: Protecting Network Traffic in Transit
At the core of Nym’s technology is the mixnet. Unlike existing internet protocols, which often leak sensitive data without users’ knowledge, the Nym mixnet shields IP addresses and traffic patterns. It can be seamlessly integrated into various applications, including blockchains, wallets, and Nym Connect.
Incentivized and Decentralized Approach
Nym takes an incentivized and decentralized approach to ensure its mixnet’s sustainability. Users pay a fee in NYM to route their data through the mixnet. Additionally, individuals can become mix node operators by pledging an initial bond in NYM. These node operators are rewarded in NYM tokens based on their reputation and the quality of service they provide, ensuring privacy for end users. This approach is referred to as “proof of mixing” and is akin to how Bitcoin rewards miners for mining new blocks. This model facilitates scalability and decentralization, making Nym economically sustainable.
Compatibility with Any Chain or Application
Nym’s versatility is another highlight, as it can work with any blockchain or application. From well-established cryptocurrencies like Bitcoin to instant messaging platforms, developers can build their applications on top of Nym. This empowers them to offer robust network-level and metadata protections to their users.
In conclusion, Nym is at the forefront of the battle to protect online privacy in an era characterized by increasing datafication and AI. By offering a decentralized mixnet and incentivized model, Nym has positioned itself as a vital tool in the fight for internet privacy, ensuring that individuals and organizations can use online services with the confidence that their data and communications remain confidential and secure.
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Introduction:
The Nym mixnet is a cutting-edge privacy-focused network architecture built upon the foundation of Loopix. This article provides an in-depth exploration of the Nym mixnet’s architecture, core mechanisms, design principles, and distinctive properties that contribute to network-level privacy.
Mixnet Structure and Source-Routed Decryption:
Nym employs a layered mixnet topology, organized as layers of mix nodes. This structure allows for scalability by simply adding mix nodes to existing layers while enhancing privacy by introducing additional layers. The mixnet utilizes source-routed decryption, enabling users to choose the route of their messages before reaching the final destination. Users obtain mix node public keys and contact information from the Nym blockchain, ensuring a decentralized and secure source for node details.
Gateways for Enhanced Reliability:
Gateways serve as nodes connecting users and services to the mixnet, improving message reliability and accessibility. Even when users are intermittently offline, gateways facilitate sending and receiving messages seamlessly.

Users and services communicating privately through gateways and mixnet with 3 layers of nodes
Sphinx Packet Format:
Nym employs the Sphinx packet format to encapsulate and anonymously route data payloads. Messages undergo multiple layers of encryption, with the complete packet encrypted with a key shared with the gateway. Upon receiving a Sphinx message, a mix node decrypts and transforms the message cryptographically before forwarding it to the next hop.

Sphinx packet format
Single Use Reply Blocks (SURBs):
The mixnet incorporates Single Use Reply Blocks (SURBs) to enable anonymous replies and reliable transport. SURBs are pre-computed Sphinx packet headers, allowing recipients to send back anonymous replies that reach the original sender. This feature enhances the mixnet’s functionality and addresses the historical challenge of reliable transport in mixnets.
Layered Mixnet Topology:
Nym’s layered mixnet topology facilitates scalability and privacy. Mix node membership and mixnet parameters are updated per epoch, with decentralized algorithms ensuring a balanced and secure distribution of nodes across layers. Adversarial compromises are mitigated through randomized allocation and layered routing, making it challenging for attackers to deanonymize messages.
Gateways and Their Role:
Gateways play a crucial role in mediating access to the Nym network, collecting bandwidth credentials, and limiting traffic to credential allowances. They ensure participants’ accountability and protect the mixnet from free riders. Participants can use a single gateway or distribute their traffic among multiple gateways, enhancing flexibility.
Continuous-Time Mixes and Exponential Delays:
Nym utilizes continuous-time mix nodes with exponentially chosen delays, offering optimal anonymity properties. This mixing strategy reorders messages independently, providing a high level of privacy while efficiently utilizing bandwidth compared to batch mixing strategies.
Anonymous Replies and Reliable Transport with SURBs:
SURBs contribute to the mixnet’s versatility, enabling reliable transport and anonymous replies. The inclusion of SURBs in Sphinx messages allows senders to receive acknowledgments, enhancing the overall reliability of the mixnet.
Unobservability via Loops of Cover Traffic:
Nym integrates loops of cover traffic to guarantee a minimum level of anonymity and unobservability. Participants generate dummy messages that circulate in loops, disguising real traffic patterns and preventing adversaries from inferring private information.
Mixnet Epochs for Regular Reconfiguration:
Epochs are intervals at which the Nym mixnet undergoes regular reconfiguration. This ensures forward security, recovery from node failures, and the addition of new nodes. The choice of epoch duration involves trade-offs between security, overhead, and anonymity set disjointness.
Latency, Bandwidth, Scalability, and Privacy:
Nym’s continuous-time mix nodes allow for flexibility in accommodating different latency constraints, striking a balance between bandwidth consumption and privacy. Scalability is achieved through a layered mixnet topology, supporting millions of users and applications with diverse latency requirements.
Conclusion:
The Nym mixnet stands as a robust and flexible network-level privacy solution, offering a comprehensive set of features to ensure anonymity, reliability, and scalability. Its innovative design choices and mechanisms make it a promising platform for secure and private communication in an increasingly interconnected digital landscape.
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In today’s rapidly evolving digital landscape, ensuring online privacy has become more crucial than ever. NymVPN emerges as a powerful and comprehensive solution, offering unparalleled safety through a combination of encryption and innovative metadata protections. Let’s explore the key features that make NymVPN a game-changer in the realm of digital privacy.
Decentralized Network for Uncompromised Privacy
NymVPN introduces a revolutionary decentralized network of nodes managed by individuals, not centralized authorities. This unique approach ensures true decentralization, where anyone can run a node, fostering a diverse ecosystem that guards against privacy compromises by any single entity. Node operators, incentivized by the NYM token, play a pivotal role in maintaining the network’s integrity and security.
Democratized Delegation for Enhanced Security
The NYM token comes with a unique delegation mechanism, allowing token holders to stake their tokens to node operators they trust. This democratic delegation process serves as an impervious reputation system and a defense against Sybil attacks, making it challenging for malicious actors to compromise the network’s integrity.
Streamlined Privacy in One Unified Solution
NymVPN eliminates the need for users to navigate through fragmented solutions by seamlessly integrating a decentralized VPN (dVPN) and a mixnet into a single application. Whether users prefer a multihop dVPN for everyday browsing or the complete anonymity of a mixnet, NymVPN offers a unified experience, simplifying access to a safer digital life.
Total Control and Unmatched Privacy Across Devices
NymVPN provides uncompromising privacy across all devices with its full network protection service. The application automatically tailors privacy features to unique use cases, leveraging a combination of state-of-the-art mixnet and WireGuard VPN technologies. Unlike traditional VPNs, NymVPN covers the entire network connectivity and includes a built-in kill switch for additional safeguards.
Cutting-edge and Secure Encryption
NymVPN employs unbreakable encryption standards, including AES-256, ChaChaPoly, and Lioness, protecting internet traffic from prying eyes. The commitment to future-proof online security ensures adaptability to emerging threats, making NymVPN a robust shield against cybercriminals and online surveillance entities.
Multi-hop Solution for Enhanced Security
Going beyond encryption, NymVPN utilizes a multi-hop architecture that shields digital identities from network tracking. This approach, routing traffic through multiple proxy nodes, adds an extra layer of privacy, making it significantly more challenging for malicious actors to track online behavior.
Access Without Boundaries
NymVPN is not just a privacy tool; it’s a commitment to a future where online freedom knows no boundaries. The platform continuously evolves, integrating novel techniques to resist censorship mechanisms and empower individuals worldwide with unfettered access to information and resources.
Guarding Privacy with Untraceable Payments
NymVPN addresses challenges related to payment privacy through innovative zk-nyms technology. This zero-knowledge shield ensures that users can access services without compromising their digital identity, providing an unlinkable “proof of payment” in zero-knowledge and safeguarding user privacy.
In conclusion, NymVPN stands as a beacon of digital privacy, offering a unified, decentralized, and secure solution that adapts to the evolving landscape of online threats. As the digital world continues to change, NymVPN remains at the forefront, dedicated to empowering users with total control over their online privacy.
#privacy #DeFi #Web3 #Nym

The recent announcement of Nym Technologies receiving a grant from the Zcash Community Grants to integrate its mixnet technology into the Zcash ecosystem marks a significant development in the realm of privacy protection for cryptocurrency users. This integration aims to address a crucial gap in privacy defenses within Zcash's infrastructure by providing robust network-layer privacy protections.
At the heart of this integration lies Nym's mixnet, a sophisticated privacy-enhancing technology designed to thwart metadata surveillance by adversaries ranging from governments to corporate entities and cybercriminals. Unlike conventional privacy solutions, which often focus solely on transactional privacy, Nym's mixnet offers comprehensive protection by obscuring metadata associated with online interactions. By encrypting data into identically sized packets and routing them through a series of randomized hops, the mixnet effectively obfuscates traffic patterns, making it virtually impossible for adversaries to trace users' activities.
The collaboration between Nym and Zcash represents a shared commitment to advancing privacy standards within the cryptocurrency space. While Zcash's pioneering use of zero-knowledge proofs has significantly bolstered transactional privacy, vulnerabilities at the network layer have remained a persistent concern. Adversaries can exploit weaknesses in transport protocols to glean sensitive information such as transaction addresses, undermining the privacy guarantees offered by Zcash's underlying technology.
By integrating Nym's mixnet into Zcash's light client libraries, developers gain the ability to seamlessly incorporate network-layer privacy protections into Zcash wallets, empowering users to safeguard their financial privacy more effectively. This partnership not only addresses existing vulnerabilities but also lays the groundwork for future innovations in privacy protection within the Zcash ecosystem.
The endorsement of this integration by key stakeholders, including Harry Halpin of Nym Technologies, Josh Swihart of the Electric Coin Company, and Jason McGee of Zcash Community Grants, underscores the collective commitment to advancing privacy as a fundamental right in the digital age. As privacy concerns continue to escalate amid growing surveillance threats, collaborations such as this play a crucial role in shaping a future where individuals can transact online with confidence, free from the specter of intrusive monitoring and interference.
In conclusion, the integration of Nym's mixnet technology represents a significant milestone in enhancing privacy protections within the Zcash ecosystem. By fortifying network-layer defenses, this partnership sets a new standard for privacy-preserving technologies in the cryptocurrency space, reaffirming the importance of collective efforts to safeguard individual privacy rights in an increasingly digitized world.
#Nym #Zcash #Privacy #Web3 #DeFi