Technology Meets Trust: Interview with Louis Tajan<\/h2>\n
On June 10, 2025, at the opening of the \u201cProof of Talk\u201d conference in the Louvre in Paris, more than 2,500 experts discussed regulation, identity, and Web3 security. Ulrich Buckenlei spoke with Louis Tajan, Lead Cryptographer at Human.Tech, about building secure digital identities \u2013 beyond biometric surveillance and centralized control.<\/p>\n
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- Zero-Knowledge instead of data disclosure:<\/strong> Human.Tech enables transactions without revealing sensitive user data \u2013 using zero-knowledge proofs and multiparty computation.<\/li>\n
- Privacy-by-Design:<\/strong> Digital identity is designed securely from the ground up \u2013 processed locally, implemented with encryption.<\/li>\n
- Web3 with UX focus:<\/strong> Security and user-friendliness are not mutually exclusive \u2013 in fact, they complement each other.<\/li>\n<\/ul>\n
<\/div>\n![\"Impressions](\"https:\/\/www.xrstager.com\/wp-content\/uploads\/2023\/06\/proof-of-talk-001.jpg\")
<\/p>\nImpressions Louvre Paris<\/h6>\n
Photo: Ulrich Buckenlei XR Stager NewsRoom | Event: Decentralized Identity & Web3 Trust<\/sup><\/p>\n
Tajan sees cryptography as the key to a human-friendly digital space \u2013 scalable, secure, and free from surveillance.<\/p>\n
<\/div>\nProof of Personhood: Making Humanity Verifiable<\/h2>\n
Tajan\u2019s approach: In an age of AI bots, deepfakes, and automated disinformation, we need verifiable humanity. \u201cProof of Personhood\u201d is not a control tool \u2013 it\u2019s a system that protects real users and enables machine filtering.<\/p>\n
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- No biometric capture:<\/strong> Unlike Worldcoin, Human.Tech does not store iris scans or similar data.<\/li>\n
- Verification through cryptography:<\/strong> Local checks with global significance \u2013 without centralized databases.<\/li>\n
- Web3 without bot armies:<\/strong> Trust is created through mathematically verifiable individuality.<\/li>\n<\/ul>\n
<\/div>\n![\"Model:](\"https:\/\/www.xrstager.com\/wp-content\/uploads\/2023\/06\/proof-of-talk-003.jpg\")
<\/p>\nImpressions from Proof of Talk, Louvre Paris<\/h6>\n
Photo: Ulrich Buckenlei XR Stager NewsRoom | Event: Decentralized Identity & Web3 Trust<\/sup><\/p>\n
The system protects privacy, prevents identity abuse, and enables trust without storing personal data.<\/p>\n
<\/div>\nSecurity and Usability: Not a Contradiction<\/h2>\n
A central point in Tajan\u2019s work: Security must not be a barrier. Cryptographic processes run in the background \u2013 for users, the process is simple, intuitive, and fast.<\/p>\n
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- Click instead of control obsession:<\/strong> Instead of complex KYC processes: a single verified authentication step.<\/li>\n
- UX design meets cryptography:<\/strong> Security is seamlessly embedded \u2013 not added as an afterthought.<\/li>\n
- Scalability included:<\/strong> The system works for startups as well as large platforms.<\/li>\n<\/ul>\n
<\/div>\n![\"Human.Tech](\"https:\/\/www.xrstager.com\/wp-content\/uploads\/2023\/06\/proof-of-talk-004.jpg\")
<\/p>\nImpressions from Proof of Talk, Louvre Paris<\/h6>\n
Photo: Ulrich Buckenlei XR Stager NewsRoom | Event: Decentralized Identity & Web3 Trust<\/sup><\/p>\n
Security is integrated directly into the architecture \u2013 no trade-off between comfort and control.<\/p>\n
<\/div>\nEurope, the AI Act, and Technical Guardrails<\/h2>\n
Tajan sees Europe\u2019s cautious course as a strength. The AI Act provides clear guidelines that developers can rely on \u2013 even if innovation progresses more slowly as a result.<\/p>\n
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- Trust through regulation:<\/strong> Clear guardrails promote sustainable development.<\/li>\n
- Contrast to the US & China:<\/strong> There, the \u201cmove fast, break things\u201d principle often prevails \u2013 at the users\u2019 expense.<\/li>\n
- European advantage:<\/strong> Those who implement privacy by design have an edge in the global market.<\/li>\n<\/ul>\n
<\/div>\n![\"Impressions](\"https:\/\/www.xrstager.com\/wp-content\/uploads\/2023\/06\/proof-of-talk-006.jpg\")
<\/p>\nImpressions from Proof of Talk, Louvre Paris<\/h6>\n
Photo: Nvidia| Event: Decentralized Identity & Web3 Trust<\/sup><\/p>\n
The Louvre became the stage for a new kind of digital enlightenment \u2013 with a focus on technical standards and user sovereignty.<\/p>\n
<\/div>\nCryptography Is the Foundation \u2013 Also for AI<\/h2>\n
For Tajan it\u2019s clear: whether voting systems, wallets, or AI-powered services \u2013 trust begins with cryptographic integrity. AI can optimize tools, but it cannot replace ethics.<\/p>\n
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- AI as a tool \u2013 not a decision-maker:<\/strong> Technology must serve people \u2013 not the other way around.<\/li>\n
- Cryptography for AI processes:<\/strong> Even training data and models need traceable origins and verification.<\/li>\n
- Security-by-Design:<\/strong> Any application that affects people needs a solid crypto foundation.<\/li>\n<\/ul>\n
<\/div>\nConclusion: Rethinking Identity \u2013 With Technology, Not Despite It<\/h2>\n
The conversation with Louis Tajan shows: digital identity doesn\u2019t need to be centralized, complex, or surveilling. With technologies like zero-knowledge proofs, decentralized infrastructure, and UX-focused cryptography, Web3 becomes practical \u2013 and human-friendly.<\/p>\n
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- Technology as an enabler:<\/strong> The right protocols make digital freedom possible in the first place.<\/li>\n
- Identity as a feature, not a risk:<\/strong> Protecting users creates long-term trust.<\/li>\n
- Web3 for people, not machines:<\/strong> Proof of Personhood is becoming the standard \u2013 data-efficient, secure, scalable.<\/li>\n<\/ul>\n
<\/div>\nContact Our Expert Team<\/h2>\n
The XR Stager Team<\/strong> supports companies in adopting innovative technologies \u2013 from immersive real-time applications to AI-powered assistance systems.<\/p>\n
Our services include:<\/strong><\/p>\n
- \n
- Strategic consulting and technology transfer<\/strong> \u2192 Unlocking the potential of XR, AI, and digital twins.<\/li>\n
- Tailored solution development<\/strong> \u2192 From prototypes to fully operational systems.<\/li>\n
- Training and enablement<\/strong> \u2192 Empowering your teams for the next generation of technology.<\/li>\n<\/ul>\n
Get in touch now and shape digital identity in a secure, decentralized, and user-friendly way!<\/strong><\/p>\n
<\/p>\n
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\nMail: ulrich.buckenlei@xrstager.com<\/a><\/p>\n - Tailored solution development<\/strong> \u2192 From prototypes to fully operational systems.<\/li>\n
- Identity as a feature, not a risk:<\/strong> Protecting users creates long-term trust.<\/li>\n
- Cryptography for AI processes:<\/strong> Even training data and models need traceable origins and verification.<\/li>\n
- Contrast to the US & China:<\/strong> There, the \u201cmove fast, break things\u201d principle often prevails \u2013 at the users\u2019 expense.<\/li>\n
- UX design meets cryptography:<\/strong> Security is seamlessly embedded \u2013 not added as an afterthought.<\/li>\n
- Verification through cryptography:<\/strong> Local checks with global significance \u2013 without centralized databases.<\/li>\n
- Privacy-by-Design:<\/strong> Digital identity is designed securely from the ground up \u2013 processed locally, implemented with encryption.<\/li>\n