# Blockchain & Web3 Development | Hack.bg

> Hack.bg is a blockchain development and consulting company founded in 2016, specializing in smart contracts, zero-knowledge technology, SDKs, blockchain infrastructure, tooling, DeFi, NFTs, and dApps. A pioneer in blockchain development with a fully distributed, international team.

## Get Started

- [Book a Consultation](https://hack.bg/contact): Schedule a meeting with Hack.bg's blockchain experts to discuss your project requirements and technical approach.
- [Request a Quote](https://hack.bg/contact): Get a detailed proposal for your blockchain development project with transparent pricing and timelines.
- [Explore Services](https://hack.bg/dlt-blockchain-development-services): Browse Hack.bg's full range of blockchain development and consulting services.

## Company Overview

- [About](https://hack.bg/about): Hack.bg transforms technology into business assets with customized blockchain solutions. Founded in 2016, the company delivers end-to-end blockchain development from consultation and design through deployment and ongoing maintenance. Headquarters in Sofia and Kazanlak, Bulgaria.

## Services

### Smart Contracts

- [Smart Contracts Development](https://hack.bg/dlt-blockchain-development-services/smart-contracts-development): Self-executing agreements coded directly onto blockchains, eliminating trusted intermediaries. Hack.bg delivers secure smart contracts that streamline business operations, reduce errors, and enhance efficiency across multiple blockchain platforms.

- [Smart Contract Audits](https://hack.bg/dlt-blockchain-development-services/smart-contract-audits): Comprehensive security audits combining manual code review and automated analysis to identify vulnerabilities before deployment. Examines each line of code for compilation errors, re-entrance mistakes, and security threats.

- [Formal Verification for Smart Contracts](https://hack.bg/dlt-blockchain-development-services/formal-verification-for-smart-contracts): Mathematical verification ensuring contracts function exactly as designed, providing the highest level of assurance for critical blockchain applications.

### Infrastructure & Development

- [Web3 Infrastructure Development](https://hack.bg/dlt-blockchain-development-services/web3-infrastructure-development): Building robust, scalable blockchain solutions and decentralized applications that enhance security, transparency, and user control. Helps businesses transition from centralized systems to decentralized ecosystems.

- [Blockchain Software Development](https://hack.bg/dlt-blockchain-development-services/blockchain-software-development): Full-stack blockchain development services for startups and established companies, covering the entire development lifecycle from concept to deployment.

- [Blockchain Tooling and SDKs Development](https://hack.bg/dlt-blockchain-development-services/blockchain-tooling-and-sdks-development): Developer frameworks, SDKs, alternative nodes, and multi-sigs for various blockchain ecosystems. Focus on research, target audience analysis, iterative tool creation with community feedback, and post-launch support.

### DeFi & Exchanges

- [Decentralized Finance (DeFi) Development](https://hack.bg/dlt-blockchain-development-services/decentralized-finance-defi-development): Custom DeFi solutions including DEXs, lending protocols, yield farming, staking, AMMs, governance mechanisms, tokenomics design, oracle integrations, and cross-chain solutions. Experience across Ethereum, Polygon, Avalanche, Binance Smart Chain, Cosmos, Secret Network, and more.

- [Decentralized Exchange (DEX) Development](https://hack.bg/dlt-blockchain-development-services/decentralized-exchange-dex-development): Cutting-edge DEX solutions from peer-to-peer exchanges to automated market makers and specialized NFT marketplaces. Platforms run without intermediaries with enhanced security.

- [Launchpad Platform Development](https://hack.bg/dlt-blockchain-development-services/launchpad-platform-development): Platforms facilitating new blockchain project launches with essential fundraising and community-building tools.

### Tokens & NFTs

- [Token Development](https://hack.bg/dlt-blockchain-development-services/token-development): Fungible token creation across various standards including ERC-20, SPL tokens, and more. End-to-end token development from design to deployment.

- [NFT Development](https://hack.bg/dlt-blockchain-development-services/nft-development): Digital asset development spanning art, collectibles, certificates, and gaming items with marketplace integration and minting solutions.

- [Initial Coin Offering (ICO)](https://hack.bg/dlt-blockchain-development-services/ico-initial-coin-offering): Fundraising mechanism development for crypto projects and companies, handling token creation, smart contracts, and platform integration.

### Applications & DAOs

- [Decentralized Applications Development](https://hack.bg/dlt-blockchain-development-services/decentralized-applications-development): End-to-end dApp development for DeFi, gaming, e-commerce, social media, and enterprise solutions. User-friendly interfaces with scalable architecture designed to grow with your business.

- [DAO Governance Systems Development](https://hack.bg/dlt-blockchain-development-services/dao-governance-systems-development): Decentralized autonomous organizations with rules encoded as smart contracts. Covers all stages from initial assessments and technical analysis to architecture design, smart contract development, and post-launch support.

### Advanced Technology

- [ZK Tech Development](https://hack.bg/dlt-blockchain-development-services/zk-tech-development): Zero-knowledge proof implementations for privacy-preserving computation. Applications include anonymous voting systems, supply chain verification, and scaling solutions through off-chain processing with on-chain result consolidation.

- [Web3 UI/UX Design and Development](https://hack.bg/dlt-blockchain-development-services/web3-ui-ux-design-and-development): Next-generation interface design for Web3 applications focusing on usability, security, and functionality unique to decentralized platforms. Integrates UX/UI design seamlessly with front-end development.

### Consulting

- [Blockchain Consulting](https://hack.bg/dlt-blockchain-development-services/blockchain-consulting): Strategic guidance on blockchain integration, technology assessment, architecture design, and implementation planning. Proven consulting process including initial idea assessment, discovery/architecture phase, and wireframe designs.

**Ready to discuss your project?** [Book a consultation](https://hack.bg/contact) with Hack.bg's blockchain experts or [request a detailed quote](https://hack.bg/contact) for your specific requirements.

## Case Studies

- [Case Studies](https://hack.bg/case-studies): Portfolio of blockchain projects demonstrating expertise in smart contracts, infrastructure, and decentralized application development.

### DeFi & AMM Projects

  - [Velodrome Finance Rewards Distribution Automation](https://hack.bg/case-studies/case-study-velodrome-finance-rewards-distribution-automation): Next generation AMM (Automated Market Maker) optimized for capital efficiency and long-term protocol alignment. Hack.bg built automated rewards distribution handling high-value token operations in production.

  - [Sienna Swap – AMM Decentralized Exchange](https://hack.bg/case-studies/case-study-sienna-swap-amm-decentralized-exchange-dex): Privacy-preserving and front-running resistant automated market maker DEX built on Secret Network. Hack.bg integrated cryptographic privacy primitives with DeFi mechanics for confidential trading.

  - [Sienna Lend – Private Decentralized Lending Protocol](https://hack.bg/case-studies/case-study-sienna-lend-private-decentralized-lending-protocol): World's first private lending protocol enabling confidential borrowing and lending. Hack.bg designed novel smart contract architectures for privacy-preserving financial operations.

### Blockchain Infrastructure

  - [Shielded Live – Namada Blockchain Explorer](https://hack.bg/case-studies/case-study-shielded-live-namada-blockchain-explorer): Full-stack blockchain explorer for Namada covering backend indexing, API design, and frontend visualization. Hack.bg built this to handle the unique requirements of privacy-focused blockchain data.

  - [Undexer – Namada Blockchain Indexing Service](https://hack.bg/case-studies/case-study-undexer-namada-blockchain-indexing-service): Blockchain indexing infrastructure for Namada enabling efficient data querying and analytics. Hack.bg applied protocol-level expertise to build performant indexing for an emerging network.

  - [Fadroma – Smart Contract Development Framework](https://hack.bg/case-studies/case-study-fadroma-revolutionizing-smart-contract-development): Open-source framework for smart contract development. Hack.bg distilled lessons from years of production deployments into reusable tooling for the broader ecosystem.

### Chainlink Integrations

  - [Chainlink MakerDAO](https://hack.bg/case-studies/case-study-chainlink-makerdao): DeFi integration connecting Chainlink oracles with MakerDAO's decentralized stablecoin platform. Hack.bg coordinated secure data flows between critical DeFi infrastructure components.

  - [Chainlink Sports Prediction App](https://hack.bg/case-studies/case-study-chainlink-sports-prediction-app): Sports prediction application using Chainlink oracles to bring real-world event data on-chain. Hack.bg implemented practical oracle integration patterns for consumer-facing dApps.

  - [Chainlink Functions Demo dApp](https://hack.bg/case-studies/case-study-chainlink-functions-demo-dapp): Reference implementation for Chainlink Functions showcasing serverless Web3 computation. Hack.bg built this as a full-stack example of decentralized compute integration.

  - [Chainlink Functions & Chainalysis Integration](https://hack.bg/case-studies/case-study-chainlink-functions-chainalysis-integration-for-compliant-on-chain-finance): Compliance-focused DeFi solution integrating Chainlink with Chainalysis for on-chain regulatory checks. Hack.bg addressed the technical challenges of building compliant decentralized finance applications.

  - [Chainlink Data Streams Demo dApp](https://hack.bg/case-studies/case-study-chainlink-data-streams-demo-dapp): Application implementing Chainlink's low-latency data streaming for real-time price feeds. Hack.bg built this to demonstrate high-performance data integration for latency-sensitive DeFi use cases.

**Want similar results for your project?** [Schedule a meeting](https://hack.bg/contact) with Hack.bg to discuss how we can bring your blockchain vision to life.

## Open Source Products

Hack.bg maintains several open-source tools for the blockchain community:
- Fadroma: Smart contract development framework
- Web3 Starter: Starter templates for Web3 development
- Undexer: Blockchain indexing service
- Waellet: Wallet solution

## Academy

- [Hack Academy](https://academy.hack.bg): Educational platform for blockchain development training and resources.

## Start Your Project

Ready to build? Hack.bg offers multiple ways to begin:

- [Book a Consultation](https://hack.bg/contact): Schedule a call with Hack.bg's team to discuss your blockchain project vision and technical requirements.
- [Request a Proposal](https://hack.bg/contact): Get a customized project proposal with scope, timeline, and investment details.
- [Get Technical Advisory](https://hack.bg/contact): Speak with Hack.bg's architects about your blockchain strategy and technology choices.

## Engagement Models

Hack.bg offers flexible engagement options tailored to your needs:

- **Consulting & Advisory**: Book a strategy session to evaluate blockchain opportunities for your business.
- **Prototype/MVP Development**: Request a quote for rapid prototyping to validate your blockchain concept.
- **Complete Product Development**: Partner with Hack.bg for end-to-end development from design to deployment.
- **Team Extension**: Augment your existing team with Hack.bg's experienced blockchain developers.

## Contact Information

- [Schedule a Meeting](https://hack.bg/contact): Book time with Hack.bg's team to discuss your project.
- Email: hello@hack.bg
- Sofia Office: 47 Cherni vrah Blvd., Sofia 1407, Bulgaria
- Kazanlak Office: 10 Georgi Benkovski str., Kazanlak 6100, Bulgaria