Essays about: "transaction networks"

Showing result 1 - 5 of 39 essays containing the words transaction networks.

  1. 1. Blockchains and Smart Contracts for Cryptocurrency : An Analysis of Their Functionality and Performance

    University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Author : Oussama Safi; Melik Atabeyli; [2023]
    Keywords : Smart Contracts; Blockchains; Cryptocurrency; Digital assets; Consensus mechanisms; Smarta Kontrakt; Blockkedjor; Kryptovaluta; Digitala tillgångar; Konsensus mekanismer;

    Abstract : Smart contracts are self-executing electronic contracts. Amongst its deployed applications in the digital world is providing a decentralized and transparent method for executing transactions of cryptocurrencies on blockchains. READ MORE

  3. 2. Credit Card Transaction Fraud Detection Using Neural Network Classifiers

    University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Author : Ehsan Nazeriha; [2023]
    Keywords : GAN; Deep Learning; Variational Autoencoder; Anomaly Detection; SMOTE; GAN; Djupinlärning; Variational Autoencoder; Anomali detektering; SMOTE;

    Abstract : With increasing usage of credit card payments, credit card fraud has also been increasing. Therefore a fast and accurate fraud detection system is vital for the banks. To solve the problem of fraud detection, different machine learning classifiers have been designed and trained on a credit card transaction dataset. READ MORE

  4. 3. Rethinking Execution Layer Front-Running Protection with Threshold Encryption : F3B: A Per-Transaction Front-Running Protection Architecture with Low-Latency Overhead

    University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Author : Ziyan Qu; [2023]
    Keywords : Blockchain; Front Running; Threshold Encryption; Blockchain; Front Running; Tröskelkryptering;

    Abstract : Blockchain is a decentralized and immutable append-only ledger. Smart contracts, the self-executing programs on blockchain, help build the Decentralized Finance (DeFi) markets. Front-running is the practice of benefiting from advanced knowledge of pending transactions. READ MORE

  5. 4. The Phenomenon of Cryptocurrency and its Implementation into Businesses

    University essay from Lunds universitet/Företagsekonomiska institutionen

    Author : Silvia Cristina Tufan; Marcus Nilsson; Oliver Elm; [2022]
    Keywords : Bitcoin; Stablecoin; Cryptocurrency; Blockchain; Smart contract; Decentralization; Foreign Exchange; International Businesses; Strategic Management; Transaction costs; Agency theory; Business and Economics;

    Abstract : While the popularity of cryptocurrencies has seen a dramatic uptick as of late, the general phenomenon still carries with it a high level of novelty. The inception of cryptocurrencies began with Bitcoin in late 2008, making its first appearance on a cryptographic community forum, posted by a yet to be identified entity carrying the pseudonym Satoshi Nakomoto. READ MORE

  6. 5. Time Dependencies Between Equity Options Implied Volatility Surfaces and Stock Loans, A Forecast Analysis with Recurrent Neural Networks and Multivariate Time Series

    University essay from KTH/Matematik (Avd.)

    Author : Simon Wahlberg; [2022]
    Keywords : RNN; LSTM; GRU; vector autoregression; implied volatility surface; stock loan; equity options; multivariate time-series analysis; financial mathematics.; Rekursiva neurala nätverk; LSTM; GRU; VAR; implicerade volatilitetsytor; aktielån; aktieoptioner; multidimensionell tidsserieanalys; finansiell matematik.;

    Abstract : Synthetic short positions constructed by equity options and stock loan short sells are linked by arbitrage. This thesis analyses the link by considering the implied volatility surface (IVS) at 80%, 100%, and 120% moneyness, and stock loan variables such as benchmark rate (rt), utilization, short interest, and transaction trends to inspect time-dependent structures between the two assets. READ MORE