Blockchain Development
Partner You Can Trust
8+ years of expertise in Ethereum, Cosmos, Solana, and beyond. From smart contracts to full-scale DeFi platforms, we deliver production-ready blockchain solutions.
Clients and partners
Trusted by leading Web3 teams
Our track record
Why teams choose us
We're not just developers. We're blockchain specialists who understand the unique challenges of Web3.
8+ Years of Expertise
Deep experience across Ethereum (EVM), Cosmos, Solana, and emerging chains. We've seen it all.
Security-First Approach
Every line of code is written with security in mind. We follow the best blockchain engineering practices.
Production-Ready Code
120+ smart contracts deployed to mainnet. We build for real-world performance.
Trusted by Leaders
Chainlink, Velodrome, Web3 Foundation, and 80+ other projects trust us with their code.
What we do best
End-to-end blockchain development services, from smart contracts and dApps to full-scale infrastructure.
Smart Contracts Development
Custom smart contracts in Solidity, Rust, and CosmWasm with security best practices built in. We handle everything from token standards (ERC-20, ERC-721) to complex cross-chain DeFi protocols and governance systems.
Chainlink Integrations
Expert integration of Chainlink oracles, CCIP, price feeds, data streams, VRF, CRE, and automation into your smart contracts and dApps. We implement reliable off-chain data connections and secure randomness for gaming, DeFi, and enterprise cross-chain native blockchain applications.
Analytical Instruments
We turn the ledger into a clear financial picture. Custom analytical infrastructure including blockchain explorers, protocol monitoring for lending and AMMs, and dashboards tracking real-time state, revenue, and expenses.
DeFi Development
Full-stack DeFi solutions including DEXs, lending protocols, optimized yield farming, and AMMs. We engineer value capturing protocols using our experience with Chainlink, Ethereum, Polygon, Avalanche, Cosmos, Solana, Sui and other chains.
dApp Development
End-to-end decentralized applications from architecture to deployment. We build user-friendly interfaces backed by robust smart contracts for DeFi, gaming, NFTs, and enterprise use cases.
Infrastructure & Tooling
Delivering native bridges, developer frameworks, SDKs, indexers, and APIs that power blockchain ecosystems. We build the strategic tools from DevRel roadmaps for developer community scaling and solving critical ecosystem bottlenecks.
Consulting
High-agency partnership with direct C-level access and proactive problem solving. We cover the full lifecycle - from audit-grade engineering and high-converting UI/UX to strategic growth support.
Trusted by builders
What our clients say about working with us.
"HackBG has been instrumental in helping us develop critical components that enable us to extend the Chainlink platform's capabilities and allow users to interface with new data sources seamlessly. HackBG's commitment to quality and technical proficiency has made it a valuable collaborator."
"The Hack.bg team brought much-needed expertise and clarity to a complex integration. They were thoughtful and adaptable as needs evolved, navigating a shifting technical landscape with smart workarounds and proactive solutions."
"HackBG is an excellent blockchain development partner. Their team is fast, agile, and highly skilled at tackling complex software challenges. From smart contracts to decentralized applications, they deliver innovative solutions with precision."
"The most impressive part for us was that they delivered exceptionally high-quality work within the deadline."
"Their team is not only professional and fast but also extremely knowledgeable about decentralized technologies, smart contracts, and protocols. Our collaboration has been seamless."
"It's truly a great experience to work with such a committed and professional team. Key tools like Undexer and Fadroma have been and are being used by other developers and builders nowadays."
How we work
A proven process refined over 8 years and 84+ projects.
Discovery
We learn your goals, audit existing systems, and define the technical architecture.
Build
Our team develops your solution with regular demos and transparent communication.
Launch
Thorough testing, security review, and mainnet deployment with full documentation.
Support
Ongoing maintenance, monitoring, and iterations as your project evolves.
Discovery
We learn your goals, audit existing systems, and define the technical architecture.
Build
Our team develops your solution with regular demos and transparent communication.
Launch
Thorough testing, security review, and mainnet deployment with full documentation.
Support
Ongoing maintenance, monitoring, and iterations as your project evolves.
Have a project in mind?
Let's talk about what you're building.