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8 Key Challenges Fintech Industry Faces and their Solutions

Blockchain Integration. 6. User Retention and User Experience. 7. Effective Marketing Tactics to Acquire Customers. 8. Personalized Services. Conclusion. Digital innovations and trends in financial technology or the Fintech industry are revolutionizing how people, financial organizations, and banks manage their money.

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Bulletproof_mutourend-CSDN

Overall, Bulletproofs can not only act as a drop-in replacement for the range proofs in confidential transactions, but it can also help make Mimblewimble a practical scheme with a blockchain that is significantly smaller than the current Bitcoin blockchain. 《Evaluation of Bulletproof Implementation》

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US11050549B2 - Blockchain-based transaction method and ...

Implementations of the present specification provide a blockchain-based transaction method and apparatus, and a remitter device. The method includes: calculating a transaction amount commitment, a first commitment random number ciphertext, and a second commitment random number ciphertext; and submitting transaction data to the blockchain, the transaction data including the transaction amount ...

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Bulletproofs: Short Proofs for Confidential Transactions ...

a global distributed but synchronized ledger, the blockchain. Any independent observer can verify both the current state of the blockchain as well as the validity of all transactions on the ledger. In Bitcoin, this innovation requires that all details of a transaction are public: …

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ING Bank Is Bringing Bitcoin 'Bulletproofs' to Private ...

The bank found bulletproofs turn out to be "roughly ten times faster than other range proofs, for a single range proof," said Mariana Gomez de la Villa, global head of ING's blockchain …

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NEXT Lite Wallet Preview Available - NavHub

Bulletproofs added to ZeroCT PR. Alex has been working to add the Bulletproofs Rangeproof Library to the ZeroCT implementation committed by Skreener. The Bulletproofs Library is now committed to the PR along with some initial unit tests. This is the first step towards moving away from denomination based accumulators and including confidential ...

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Libra: Succinct Zero-Knowledge Proofs with Optimal …

Implementation and evaluation. We implement Libra. Our implementation takes an arith-metic circuit with various types of gates (fan-in 2 and degree 2, such as +; ;, AND, XOR, etc.) and compiles it into a ZKP protocol. We conduct thorough comparisons to all existing ZKP systems (see Section1.1).

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Crowdfunding for Implementation of Bulletproofs+ in …

Crowdfunding for Implementation of Bulletproofs+ in Monero in Progress. The Multidisciplinary Academic Grants in Cryptocurrencies (MAGIC), a 501 (c) (3) nonprofit, is helping raise $5,125 to funds the development and implementation of Bulletproofs+ in Monero. The initiative is spearheaded by Dr. Sarang Noether of the Monero Research Lab (MRL).

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Features · Code review · GitHub

Evolve projects, propose new features, and discuss implementation details before changing your source code. Make a change. Start a new feature or propose a change to existing code with a pull request—a base for your team to coordinate details and refine your changes.

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Amortization of Bulletproofs Inner-product Proof

Recursion in Bulletproofs Inner-product Proof. In Bulletproofs range proofs, a prover commits to a value v and seeks to construct an IPP to the fact that v ∈ [ 0, 2 n). Pedersen commitments are used to keep the value of v confidential, and are expressed as inner-products. The …

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Zether: Towards Privacy in a Smart Contract World

Implementation. We implement Zether as an Ethereum smart contract and measure the gas amount required for executing it. We show that Zether is practical today and with already-planned enhancements to Ethereum will become even more e cient. As part of our implementation, we provide an e cient implementation of Bulletproofs [BBB+18] on

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How Blockchain Technology Could Bring About a New …

The rise of blockchain technologies promises to provide solutions that could bring severely needed improvements to the most problematic fronts of current supply chains. By integrating sourcing, procurement, manufacturing, distribution and logistics into a single cohesive system, blockchain could completely revolutionize how supply chains operate.

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Bulletproofs: The New Kid in Blockchain Security Land ...

Bulletproofs represents a faster, nimbler and more robust alternative to other blockchain privacy methods. Monero's implementation is certainly a step towards making bulletproofs more widely adopted within the blockchain community but we should expect more implementation …

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On the Use of Pedersen Commitments for Confidential ...

A popular implementation of Bulletproofs over Ristretto and curve-25519 is open-sourced by the Dalek project [4]. Implementation Considerations for Blockchain Applications. This approach to transaction confidentiality is at the core of a few blockchain protocols such as Zether [2], MERCAT [1], and PGC [5].

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Crypto and the privacy-transparency tradeoff - Blocks99

Crypto and the privacy-transparency tradeoff. Bitcoin has introduced the most transparent record of transactions ever, enabling third-party accounting on a blockchain network. Yet there will always be a privacy-transparency tradeoff. Some say Bitcoin transactions are anonymous, but the privacy-transparency tradeoff is undeniable.

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Stegos Code Review: Privacy Platform For Decentralized ...

I take that back, reading the addendum provides all the technical details I wanted. Ok, so definitely a mix of everything we have seen so far, Pedersen commits, bulletproofs, address cloaking, encrypted payloads, utxo pruning, PoS, pBFT, value shuffle and …

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Opyn Hacks: Root Cause Analysis. Started at 09:25:54 AM ...

Opyn Hacks: Root Cause Analysis. Started at 09:25:54 AM +UTC, Aug-4–2020, the decentralized insurance product, Opyn, was attacked by exploiting its flawed handling of ETH reception in its Opyn ETH Put smart contract. Opyn published a medium post about this incident. Here we will elaborate the technical details in this blog post.

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BitFlow: Enabling real-time cash-flow evaluations through ...

BitFlow, blockchain, bulletproofs, cash-flow, Ethereum, zero-knowledge 1 INTRODUCTION Companies invest significant resources in estimating the value allocation and cash-flow thoroughly. Still, the spending is often assessed only quarterly, as the process is cumbersome and inefficientusing the available tools of today.

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Projects · home

Discussion: This full node implementation also required the implementation of a variant of RingCT, the bulletproofs rangeproofs protocol and a wallet to interact with the full node. Neo-Go Short description : A full node implementation of the neo protocol.

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Bulletproofs and Mimblewimble - tlu.tarilabs.com

The recent implementation of Bulletproofs in Monero on 18 October 2018 saw the average data size on the blockchain per payment reduce by ~73% and the average USD-based fees reduce by ~94.5% for the period 30 August 2018 to 28 November 2018 (refer to Figure 3).

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Mimblewimble: Everything You Need to Know - Bybit Learn

MimbleWimbleCoin (MWC) is a cryptocurrency native to the Mimblewimble protocol. It's a pure proof of work -based crypto on the Mimblewimble blockchain, which boasts greater network scalability, privacy and fungibility than legacy blockchain protocols. All transactions on the base layer use Gregory Maxwell's CoinJoin, with CTs and signature ...

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Blockchain in Retail — A Bulletproof Future due to ...

VeChain employs blockchain and smart tags (NFC/RFID/QR Code) to manage the whole lifetime of retail items. End-users can use the VeChain pro mobile app to examine and validate product details. The retail solution may also help with effective channel management, after-sales support, and convenient financial services — like insurance.

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How Bulletproofs Could Make Bitcoin Privacy Less Costly ...

Specifically, Bulletproofs can decrease the size of these verifications for these types of transactions drastically. Furthermore, the authors of the paper — Stanford University's Applied Cryptography Group, overseen by professor Dan Boneh — have already managed to create a practical implementation for Bulletproofs.

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Implementation of TRONZ Shielded Smart Contract | by TRON ...

Implementation of TRONZ Shielded Smart Contract. Powered by zk-SNARKs, TRONZ achieved TRON-based TRC20 token shielded transaction, which is one of the few account model-based shield transaction solutions. Currently, this solution only supports TRC20 token, and base on TRONZ's plan, it will support TRC10 token shielded transaction in the ...

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What is HS Code? HS Code Explained - Trade Finance Global

The Kyoto Convention details the application of efficient procedures, as well as new and obligatory rules for their implementation. As of January 2017, this convention has about 106 Contracting Signatories/Parties. Today, HS codes are used extensively in electronic messages like the EDIFACT.

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Addressing the Blockchain Trilemma with Zero-Knowledge ...

Addressing the Blockchain Trilemma with Zero-Knowledge Proof. lihan yao. Jun 28 · 14 min read. In a distributed computing system, the Byzantine Fault Problem outlines the difficulty in achieving consensus among unreliable actors. Suppose an unreliable actor broadcasts a false value, say a transaction amount is way larger than the true amount.

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Bulletproofs: Efficient Range Proofs for Confidential ...

Using Bulletproofs, it would only grow with the number of transactions that have unspent outputs. Overall, Bulletproofs can not only act as a drop-in replacement for the range proofs in con dential transactions, but it can also help make Mimblewimble a practical scheme with a blockchain that is signi cantly smaller than the current Bitcoin ...

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Monero (XMR) Becomes Bulletproof: Transaction Fees Fall By ...

Monero "BulletProofs" Go Live. After months of toiling behind the scenes, as reported by Ethereum World News, Monero (XMR) developers breathed a sigh of relief on Thursday, when the popular blockchain saw its successful upgrade to v0.13.0.0., known as "Beryllium Bullet."While there were many technical changes that the upgrade fixed, there were two fundamental changes to the …

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Derosuite

As far as the Bulletproofs are considered, since DERO is the first one to implement/deploy, they have been given a more detailed look. First, a bare bones bulletproofs was implemented, then implementations in development were studied (Benedict Bunz,XMR, Dalek Bulletproofs) and thus improving our own implementation.

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