Need to develop a DeFi application? We develop decentralized financial ecosystems with various applications: DeFi tokens, dApps, lending platforms, DEXs, P2P marketplaces, and DAOs. We create protocols for trading, lending, insuring, issuing stablecoins, and any other tasks.
Launch your DeFi project with us – from idea to finished product, with technical support every step of the way.
We've been helping businesses achieve their goals for over 10 years. We create profitable services.
Technical literacy
We thoroughly analyze and develop requirements before starting work.
Deadlines
We develop MVPs in the shortest possible time, with the ability to scale.
Quality and safety
We take into account current security patterns that help create secure and reliable services.
30+
DeFi projects implemented by our team
200+
satisfied clients who contacted our company
10+
DeFi projects developed this year
30+
qualified specialists in the team
What’s Included in the Cost of DeFi Development?
We offer turnkey DeFi development with various functionality:
Smart contracts with financial logic
Contract interaction interface
Tokenomics and token governance
Analytics and transparency of operations
Integration with DEX/aggregators
Administrative panel or DAO management
Multiple network support
Completed projects
WILDEX Case Study
Fintech Application Development
Development of a decentralized (DEX) exchange WILDEX according to the DEX-AMM model, taking into account the corporate identity of the company and the reference in the form of UNISWAP.
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2. Tell us about the project
Briefly describe the idea, goals and objectives you want to solve.
3. Let's discuss the details
We'll schedule a call to discuss your project in more detail and see how we can help.
4. Signing the contract
If we are a good fit, we sign a contract and move on to the next step.
5. Discovery phase
At this stage, we collect requirements and create a set of design documentation describing the future product.
6. Delivery phase
We develop the product according to the agreed-upon specifications. The work process is typically divided into 3-4 stages, each with clear completion indicators.
Feedback from our clients
We approached with the task of developing a DEX exchange and received quite comprehensive information on the entire development process, cost, timing, and a brief tour of the DeFi world. They quickly agreed and got to work. The exchange was done quickly and efficiently, I really liked that they quickly respond to any questions and also quickly resolve them and provide feedback. More than once they were contacted for our other projects. Recommended!
Michael Gorzny
Wildex
Feel Free to Contact Us
Table of Contents
About DeFi Development
Decentralized finance, or DeFi, is one of the most dynamic and fast-growing segments of the crypto industry today. It is steadily transforming into a widely accessible alternative to traditional financial services — including lending, insurance, escrow, investment, and risk management. What makes DeFi revolutionary is its ability to replace outdated centralized systems with transparent, efficient, and trustless processes powered by smart contracts.
By removing intermediaries, DeFi not only reduces costs but also minimizes risks of fraud and manipulation. Transactions are verified and executed automatically on the blockchain, ensuring both transparency and reliability. In many ways, DeFi represents the next phase of the fintech revolution that began with blockchain’s rise in 2008.
For businesses and startups exploring this space, building a DeFi solution requires deep expertise. Outsourcing development to experienced professionals who understand the nuances of blockchain, tokenomics, and security is the best way to create scalable and future-proof decentralized applications.
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What DeFi Is
Decentralized finance (DeFi) began to gain real traction after the global market crash in March 2020, yet its true essence still remains unclear to many. At first, the term simply described decentralized versions of traditional financial instruments. Today, however, DeFi has matured into a vast ecosystem of decentralized applications (dApps) and financial services built on public blockchains.
The mission of DeFi is to create an open, permissionless financial system that anyone can access — without relying on banks, brokers, or other intermediaries. Instead, transactions are managed by smart contracts, which execute automatically once predefined conditions are met. This model not only reduces costs and delays but also ensures transparency, since every operation is recorded on the blockchain.
Unlike centralized finance (CeFi), where control and custody lie with institutions, DeFi hands control directly to users. You hold your private keys, you decide how to invest, borrow, or trade. Critics often view this self-custody as risky, but in practice, it empowers individuals to take full responsibility for their assets while benefiting from open, borderless access to financial tools.
From decentralized lending platforms and liquidity pools to stablecoins, insurance protocols, and yield farming strategies, DeFi continues to reshape what financial participation looks like in the Web3 era. For businesses and investors alike, it represents not just an alternative to traditional finance, but a blueprint for the future of global financial infrastructure.
The difference between DeFi and FinTech
Decentralized finance may look similar to financial technology (FinTech), as both aim to modernize financial services. However, the key difference is that while FinTech relies on traditional financial infrastructure, DeFi builds an entirely new foundation.
Take TransferWise (now Wise), for example — a fintech service for international payments. Although its fees are significantly lower than those of most banks, it still depends on bank accounts and legacy infrastructure that many consider outdated. By maintaining accounts in multiple countries, Wise simplifies cross-border transfers: when you send euros abroad, the service collects your funds locally and pays out from its own account in the recipient’s country. This reduces fees and speeds up settlement, but ultimately, the system still hinges on centralized intermediaries.
Now compare this to a DeFi service such as Dai transfers. Instead of banks or fintech companies, Dai transactions are verified by Ethereum stakers. Your transfer — equal in value to one US dollar — is confirmed in around 15 seconds, the time it takes to generate a block that records verified transactions. On top of that, you can send Dai to anyone with an ERC-20 compatible wallet. The recipient receives funds in just seconds — even if they live in a sanctioned country or within an outdated financial system.
Where DeFi is Used
Decentralized finance is an accessible alternative to most traditional financial services, allowing anyone who has an internet connection and some awareness of cryptocurrencies to interact with the DeFi ecosystem. For that, developers have created a hundred new blockchain projects with their own protocols, distributed networks, decentralized services, and dApps.
One of the first real-world use cases for decentralized finance was stablecoin projects. Stablecoins are cryptocurrencies pegged to the value of a reference financial instrument, most commonly fiat currencies like the US dollar or commodities like gold. Each issued unit of a stablecoin is backed by a reserve stored with a trusted custodian. For example, USD-pegged stablecoins maintain their value through reserves managed by the issuer, and their purchase or sale usually requires compliance with AML/KYC procedures.
Examples of DeFi stablecoin projects include Liquity USD (LUSD), USDD, and Wrapped Bitcoin (WBTC). While WBTC is pegged to Bitcoin, it actually operates on the Ethereum blockchain, making Bitcoin liquidity accessible within Ethereum-based dApps.
Stablecoins are the backbone of DeFi — they provide stability in a volatile market, enable lending and borrowing, and act as a bridge between traditional finance and blockchain ecosystems.
Decentralized Autonomous Organizations (DAOs)
Another widely adopted DeFi concept is the decentralized autonomous organization (DAO). Among the most prominent examples is MakerDAO, which runs on Ethereum. MakerDAO has its own stablecoin, DAI, but participants can also issue custom stablecoins. The mechanism is similar to the historical issuance of fiat money backed by gold — except here, the collateral is ETH or other approved ERC-20 tokens. This process, called collateralized debt positions (CDPs), ensures that issued tokens are backed by digital assets.
Today, launching a DAO is more accessible than ever. Platforms like DAOHaus, based on the open-source Moloch framework, allow startups and communities to create DAOs without reinventing the wheel. DAOs reduce coordination costs to almost zero, enabling decentralized governance and collective decision-making for projects ranging from investment funds to gaming guilds.
Decentralized Exchanges (DEXs)
With the rise of DeFi, decentralized exchanges (DEXs) have surged in popularity again. Unlike centralized exchanges, DEXs don’t hold user funds or personal data on their servers. Instead, they operate through blockchain-based smart contracts, simply matching buy and sell orders. This model removes the need for KYC, reduces custodial risk, and offers users full control of their assets.
Examples of innovative DEXs include:
Uniswap — both a DEX and an Ethereum-based liquidity protocol that uses automated market making (AMM) to enable seamless token swaps.
1inch.exchange — a DEX aggregator that splits orders across multiple non-custodial exchanges, minimizing slippage and finding the most favorable execution price.
DEXs have become a cornerstone of DeFi, fueling the liquidity layer on which other protocols depend.
Prediction markets
Another niche but growing DeFi sector is P2P prediction markets. These platforms let users place bets on the outcomes of various events: elections, sports results, price movements, and more. The concept is similar to traditional betting but powered by blockchain, ensuring transparency, fairness, and global accessibility.
Well-known platforms include:
Augur — an Ethereum-based oracle and prediction market that leverages the “wisdom of the crowd” to forecast real-world outcomes.
Gnosis — a comprehensive platform featuring:
Conditional Tokens — a framework for event-based tokens;
Protocol — a DEX optimized for liquidity;
Safe — a secure digital asset wallet;
GnosisDAO — a governance DAO managing prediction markets and platform updates.
Prediction markets represent the experimental frontier of DeFi, showing how decentralized systems can crowdsource knowledge and incentivize accurate forecasting.
DeFi services
Apart from stablecoins, DAOs, DEXs, and prediction markets, there are 6 other fields of decentralized finance:
P2P lending.
Decentralized insurance.
Issuance of synthetic assets.
DeFi asset storage and management.
Liquidity pools.
Marketplaces.
As worthy examples of decentralized finance in the form of services successfully operating in these fields, we would like to highlight the following:
Name, type of service
Field of activity
Brief description
Native token
Aave, a DeFi protocol on Ethereum and Polygon smart contracts
Lending & borrowing cryptocurrencies
Lenders deposit ethers and 21 kinds of tokens in the liquidity pool; borrowers choose suitable terms there and get instant loans.
Aave (AAVE)
Etherisc, a DeFi platform on Ethereum
Decentralized insurance
Some users create insurance products; others buy and sell insurance.
Etherisc DIP Token (DIP)
Synthetix, a DeFi protocol on Ethereum and BNB Smart Chain smart contracts
Issuance of synthetic assets & liquidity supply
Allows you to create new assets and to offer earnings on them as derivatives. Supports connection of third-party protocols to utilise pooled liquidity.
Synthetix (SNX)
Huobi Wallet, a multicurrency wallet and dApp browser
Asset storage & management
Supports over 1000 cryptocurrencies, coin staking, multisignatures.
Huobi Token (HT)
Balancer, a DeFi protocol on Ethereum smart contracts
Automated market making & liquidity supply
Modular block with support for 3 types of pools for programmable liquidity. Allows you to create and customise pools, add liquidity to them, and receive commissions for it.
Balancer (BAL)
District0x, a network of marketplaces and communities operating on Ethereum
Coordination of DeFi marketplaces & community management
Offers d0xINFRA framework for creating DeFi marketplaces and communities using smart contracts and front-end libraries.
district0x (DNT)
What the Advantages of DeFi Development Are
In 2019, Initial Exchange Offerings (IEOs) grabbed the spotlight. Today, the same level of attention surrounds DeFi projects — and for good reason. Decentralized finance has grown into one of the most dynamic segments of the crypto industry, providing real benefits both for end users and for businesses launching new solutions. Let’s break down the key advantages.
True decentralization
The cornerstone of DeFi is trustless decentralization. Rules are hard-coded into smart contracts, which automatically execute transactions once conditions are met. After launch, a DeFi project doesn’t require centralized management — governance is distributed among a network of participants. This not only removes the risk of manipulation by the development team but also creates resilience against censorship and external control.
Public accessibility
DeFi opens the doors of the global economy to people who have traditionally been excluded from it. According to the World Bank, around 1.5 billion people worldwide remain unbanked, often because they lack proper documentation or a credit history. With DeFi, these barriers disappear. Anyone with an internet connection and a crypto wallet can access services like lending, savings, or yield farming — without paperwork or intermediaries. For residents of developing countries, this represents a genuine financial breakthrough.
Transparency
Traditional financial systems are often opaque, with hidden fees, complex contracts, and limited access to data. By contrast, DeFi protocols are fully transparent. All transactions are recorded on the blockchain and available for verification at any time. White papers and protocol documentation clearly outline terms for borrowing, lending, staking, and more. This makes it easier for users to evaluate projects and select the most reliable platforms without leaving their homes.
Full control over assets
On DeFi platforms, you are your own bank. Users retain custody of their assets at all times, signing transactions with their private keys and deciding when and how funds are used. No government regulator, bank, or centralized exchange can freeze accounts or seize funds. This self-custody model not only provides independence but also builds resilience in the face of market shocks and regulatory uncertainty.
What Benefits DeFi Developers Offer to Businesses
Any financial institutions, fintech companies, or crypto projects can connect to decentralized finance to benefit their business. For example, we suggest you get:
A potential source of yield from unused fiat or cryptocurrency reserves
Easy access to capital through lending protocols to fund business operations
Reduction of costs and elimination of intermediaries due to the use of blockchain technology
Automation of processes and reduction of errors due to the implementation of reliable smart contracts
Attractiveness for potential investors due to the diversification of their investments through cryptocurrencies.
Cost of services
Smart contract development
Starts at $10,000
Development of a non-custodial wallet for DeFi assets
Starts at $25,000
Creation of a DeFi token or algorithmic stablecoin
Starts at $50,000
P2P platform development (for prediction, lending, or insurance)
Starts at $50,000
DEX development
Starts at $65,000
If you need a unique DeFi solution, we are ready to create it. Polygant develops DeFi apps of any complexity. Contact us to discuss all the details, and we will start working on your project right away.