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Cryptocurrency & Blockchain

95
  • The Malw

    Cryptocurrency & Blockchain
    Complete under the key


  • 3500 USD

    by Geteth

    Cryptocurrency & Blockchain
    under the key.


  • 1500 USD

    Stockus

    Cryptocurrency & Blockchain
    Design, wrap, smart contract, integration.
    under the key.


  • 11 150 USD

    Биржа криптовалют

    Cryptocurrency & Blockchain
    Мощный и безопасный инструмент для организации обмена валют и фондовых акций.
    Безопасность осуществляется за счет использования распределенной системы размещения валют. Доступ ко всем данным происходит через стандартизированный API. В качестве базы данных может использоваться PostgreSQL и Oracle. База данных размещена в облаке AWS.


  • 1800 USD

    Zedxion Price Plugin

    Cryptocurrency & Blockchain
    Plugin for Google Chrome for tracking cryptocurrency prices.

    Our contribution:

    Real-time cryptocurrency price checking

    Connecting a crypto wallet and swap functionality

    Smooth CSS animations to enhance user experience (UX)

    Favorites list feature

    Project assembly and publication in the Chrome Web Store


  • 335 USD

    Taxi TON Bot — инвестиционный Telegram-бот с ежедневными начисле

    Cryptocurrency & Blockchain
    Инвестиционный Telegram-бот в тематике такси. Каждая машина — отдельный инвестиционный слот: пользователь пополняет баланс в TON, покупает «машины» и ежедневно получает фиксированный процент начислений.

    Реализован полноценный личный кабинет: регистрация, пополнение через TON-кошелёк, отображение активных машин, история начислений, текущий баланс и заявки на вывод. Есть реферальная программа — пользователь видит своих рефералов и сумму заработанных реферальных процентов.

    Для владельца проекта сделана встроенная админ-панель: управление машинами и процентами, ручные корректировки балансов, просмотр инвесторов, рассылка в общий чат бот, журнал операций.

    Бот работает 24/7 на VPS: ежедневный «счётчик» начислений запускается автоматически по расписанию (cron), ведётся логирование и защита от двойных начислений.

    Стек: Python, aiogram, SQLAlchemy, TON API, Linux VPS, cron.
    #telegram #бот #TON #крипта #python


  • Custom Blockchain Engine in .NET – own blockchain network with m

    Cryptocurrency & Blockchain
    I built a full custom blockchain engine from scratch in C# / .NET, split into separate modules: core node, miner and wallets.

    The core is responsible for the block chain, transactions, integrity checks and Proof-of-Work consensus (configurable difficulty, validation of every block). It implements block and transaction structures, wallet balance tracking, a mempool, transaction confirmation count, miner rewards and block reward halving.

    A separate console miner application connects to the node, mines new blocks and sends the reward to its wallet. The wallet module handles key/address generation, transaction signing and validation, and shows wallet balance and transaction history.

    I acted as the architect and lead developer: designed the blockchain model, service and library separation, wrote all the code and organized the solution so it can be easily extended (for example with a smart-contract layer and web UI).

    Tech stack: C#, .NET, console applications, class libraries, cryptography (SHA-256, digital signatures), object-oriented design, JSON serialization.


  • 3000 USD

    Platform for deploying and redeeming tokens in Solana

    Cryptocurrency & Blockchain
    Liquidity support and token testing system on the Solana network
    Stack: Python, Solana SDK/RPC, Flask (API), session/key management module, monitoring

    Description:
    The project is a controlled platform for managing a group of trusted accounts, designed for the legitimate support of a new token's viability in the early moments after its release (for example, ensuring minimal liquidity, testing transaction processing, and preventing "dead" listings). The most important principle is the security and transparency of operations.

    Key features:

    Account manager and secure key storage with rotation and role-based access.

    Boundaries and limits on operations to prevent excessive or accidental transactions.

    REST API for managing experiments and monitoring current operations.

    Telemetry and action log (audit): who initiated the operation, parameters, and result of the transaction.

    Safety-checks: the ability to run scenarios only in a test environment or in mainnet with a confirmed checklist and permissions.

    Focus on analytics: collecting metrics on transaction confirmations, fees, confirmation times, and impact on the order book.

    Ethical and operational guarantees:

    The project was intended to work exclusively with agreed/controlled accounts and in compliance with the team's internal policies.

    Built-in mechanisms to prevent use in manipulative schemes: limits, audits, and confirmed procedures for launching in mainnet.

    Suitable as a tool for safe testing, ensuring initial liquidity within regulations, and studying market behavior in controlled conditions.


  • PumpTools

    Cryptocurrency & Blockchain
    Website for creating and managing tokens


  • Magic Eden NFT marketplace

    Cryptocurrency & Blockchain
    Magic Eden is a prominent NFT marketplace that facilitates the buying, selling, and collecting of non-fungible tokens (NFTs) across multiple blockchain networks.


  • 700 USD

    Transaction Notification Bot

    Cryptocurrency & Blockchain
    The telegram bot is designed for InterHash.
    Bot will immediately notify you of the new transactions of your tracked Tron, ETH wallets.
    The bot works on free public nodes, the resources of which are more than enough for the script to work stable.
    The script does not check each wallet individually, we get each new block created in the blockchain and check all transactions inside it. That allowed to the maximum speed and does not require a lot of resources.


  • Goggy: Web3 Gaming & Fitness Integration | Solidity | React

    Cryptocurrency & Blockchain
    Introducing Goggy! Your next-gen companion that beautifully marries the thrills of Web3 with the exhilaration of running With Goggy, every step isn't just a stride towards fitness, but also a leap towards earning! Lace-up your shoes, embark on this playful journey, and watch your progress and pockets grow!

    Core Features:
    Web3 Integration: Dive into the decentralized universe! Goggy harnesses the power of blockchain, ensuring transparent rewards and rock-solid security for all your earned assets.
    Skills and deliverables

    Blockchain
    Nagios Core
    Cryptocurrency
    Android
    React Native


    Project Overview

    Introducing Goggy! Your next-gen companion that beautifully marries the thrills of Web3 with the exhilaration of running. With Goggy, every step isn't just a stride towards fitness, but also a leap towards earning! Lace-up your shoes, embark on this playful journey, and watch your progress and pockets grow!

    Core Features:
    Web3 Integration: Dive into the decentralized universe! Goggy harnesses the power of blockchain, ensuring transparent rewards and rock-solid security for all your earned assets.


    Run & Earn: Why just run when you can run and earn? Goggy celebrates your fitness journey by turning your calories burned into cool crypto!

    Engaging Gameplay: We're not just another fitness app; we're a gaming revolution! With Goggy, every run is a quest, every mile a challenge, and every step, a fun-filled adventure.

    Real-Time Tracking: Track your progress with precision! From the distance covered to the crypto earned, Goggy keeps you informed and inspired.

    UX/UI: Goggy doesn't just stop at being a game-changer; it’s a visual treat too! Goggy proudly presents an interface that's not just sleek but also super adaptive.
    Value Proposition:

    Goggy isn't just a Web3 running app; it's your daily dose of fitness fun and financial freedom. With Goggy, every run feels like a party, every sweat drop like an achievement, and every tired breath, a sigh of victory!