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🚨NPCI has launched biometric UPI payments using FINGERPRINT & Face authentication🤯 ~ This eliminates the need for PINs. Users can also withdraw cash at ATMs using UPI biometrics. Each transaction is verified by banks through cryptographic checks. Next Gen Fintech Revolution👏🏼

145,860 Aufrufe • vor 10 Monaten •via X (Twitter)

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This is so insane Wells Fargo has a real US patent titled “Smart Dust Usage” It’s a system for using tiny airborne microelectromechanical systems, commonly called “smart dust,” for biometric authentication during financial transactions Patent number US11354666B1, granted June 7, 2022 I looked into this and it’s crazy The patent mentions sensors that will - Collect biometric data like heart rate, blood pressure, body temperature, motion, voice, images and more - Be released into the air near the user, like at a payment terminal - Compare that data to a user profile to verify identity before approving a payment Keep in mind this is conceptual, but this shows they are working on it The patent is for future technology. The patent itself is only about biometric authentication for payments, not programmable CBDC But you can see how this could be used for CBDC Once your identity is confirmed, the system communicates with the CBDC network. The transaction only clears if it complies with programmable rules attached to the money, Because the dust collects continuous biometric data during the transaction, the system could theoretically: - Detect “suspicious” behavior (elevated heart rate = possible coercion/fraud). - Link your purchase history, health data, political donations, church giving, books bought, etc., to your CBDC wallet. - Automatically freeze or reverse transactions that violate programmed rules. This is theoretical but you see how this could be terrifying

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🚨 Ripple’s Next Big Move Could Be Tokenizing Oil On The XRP Ledger. Ripple’s Middle East & Africa MD Reece Merrick, right after Dubai Land Department’s Phase 2 launched controlled secondary trading of tokenized real estate on XRPL: “This is a massive step for real-world asset adoption in Dubai.” Dubai real estate now trading on-chain, on XRPL. Physical assets at scale in the oil capital of the world? Ripple’s Gulf footprint (verified partnerships only): • UAE → Zand Bank (AEDZ stablecoin + RLUSD custody/liquidity on XRPL rails) + Ctrl Alt/Dubai Land Dept (live real-estate tokenization + Ripple Custody) + DFSA license • Saudi Arabia → MoU with Jeel (Riyad Bank innovation arm) for cross-border payments, custody & RWA tokenization pilots • Bahrain → Strategic partnership with Bahrain Fintech Bay for tokenization PoCs, stablecoins, payments & fintech ecosystem build BlackRock is a major player and Larry Fink said that Tokenization is going to be the next big thing. At the same time, when asked about XRP, he said, “I can’t talk about it right now” and smirked. Ripple is the only crypto company that has entered the repo and mortgage market, and XRP/XRP ETF could be used as collateral in the markets in the near future. Also: UAE & India already executed a landmark crude oil trade settled entirely in local AED + INR currencies with RippleNet using XRP Ledger. Oil is the Gulf’s biggest physical asset. The infrastructure is already live. Next move? 👀⛽

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ZKForge V1 is now live and the source code is public on GitHub: Visit: Users can sign up, log in, and chat privately using zero-knowledge authentication (ZK-STARK) with full end-to-end encryption and non-custodial wallet integration. No passwords, no stored private keys, all encryption and identity verification happen locally on the user’s device. Core Features • Zero-Knowledge Authentication (ZKAuth) Users sign up and log in using a locally generated Ed25519 keypair. Authentication uses zero-knowledge proofs (ZK-STARK-compatible), proving identity ownership without revealing the secret key. The backend never sees or stores private keys , only the derived public key and Solana address. • End-to-End Chat Encryption Every conversation is encrypted with per-room symmetric keys (nacl.secretbox AES-grade security). Keys are sealed and exchanged using ephemeral Curve25519 boxes derived from each user’s Ed25519 keypair. Messages are signed for sender authenticity. The server cannot decrypt messages; all encryption happens client-side. • Global Lounge (Public Encrypted Room) Encrypted public discussion room using a temporary shared key. Messages self-destruct after a defined time window. Rate-limit and anti-spam protections are enforced through Supabase RLS policies. • Wallet Integration (Non-Custodial) Each user derives a Solana wallet from their zero-knowledge secret. Private keys are generated and stored locally, never sent to the backend. Supports in-app USDC transactions signed locally. • WebSocket-Based Real-Time Updates Secure WebSocket channel for live message delivery, typing indicators, and presence tracking. Each message includes cryptographic nonce, ciphertext, and signature validation before render. Architecture Overview Frontend (React + Tailwind): Encryption, proof generation, local key storage, message rendering. Backend (Express + Supabase): Stateless API for sessions, rate limits, and metadata. Crypto Layer (tweetnacl, ed2curve, bs58): Signing, sealing, encryption primitives. Database (Supabase PostgreSQL): Stores ciphertext and public keys only. Realtime (WebSocket): Delivers encrypted payloads instantly. Key Design Principles Zero Storage of Private Keys All signing keys exist only in the user’s local storage. Provable Authentication Login requests include cryptographic proofs verified without revealing secrets. Encrypted-At-Rest and In-Transit All messages are encrypted before leaving the device. Verifiable Sender Identity Each message includes a detached Ed25519 signature verifying authorship. Tech Stack Frontend: React, TailwindCSS, TypeScript, Vite Backend: Node.js (Express), Supabase, MongoDB Cryptography: TweetNaCl, ed2curve, bs58, genSTARK Blockchain: Solana Web3.js Realtime: WebSockets Security: Row-Level Security, JWT Sessions, Proof Verification What’s next x402 protocol implementation

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24,207 Aufrufe • vor 9 Monaten