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Build a Seamless Cross Chain Ecosystem with Custom Blockchain Solutions
KISS Software develops custom cross-chain interoperability solutions. We build bridges, atomic swaps, multichain dApps, and smart contracts that allow blockchain networks to interact securely and efficiently with each other. This unlocks seamless DeFi ecosystems, scalable products, and next-generation token economies.
Why do you need a cross-chain solution?
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Scalability and reachGo beyond a single blockchain and attract more users and liquidity.
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Freedom of integrations
Combine the best features of different blockchains within one platform.
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Universal dApps
Your application runs across multiple networks without fragmenting users.
What we deliver for your project
Blockchain ecosystem analysis and integrations
We audit your existing architecture, select suitable networks, and design an efficient interaction model between them.
Bridge and token-bridge development
We build secure and reliable token bridges using lock/unlock or mint/burn models, compatible with required standards (ERC, SPL, etc.).
Swap and exchange logic design
We implement atomic swaps, escrow contracts, hash time locks, and other algorithms for secure cross-chain asset exchange.
Interface development and Web3 integration
We design user interfaces, connect wallets and Web3 APIs, and ensure smooth UX for multichain interactions.
Testing and security auditи аудит безопасности
Comprehensive smart contract testing, replay-attack protection, and validation of cross-chain communication.
Deployment and ongoing support
We launch the solution, provide support, and scale it to additional blockchains when needed.
Ready to unite blockchains into a single ecosystem?
We will analyze the architecture, assess risks, and propose the optimal tech stack and approach.
Cross-chain solution development stages
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Step 1
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Step 2
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Step 3
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Step 4
5
Step 5
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Step 6
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Step 1
2
Step 2
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Step 3
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Step 4
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Step 5
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Step 6
Step 1 Architecture analysis & network selection
You define which blockchains must interact. We analyze protocols, architectures, and choose compatible technologies (Layer 1/2, EVM/non-EVM).
Time to deliver
~ 1-2 days
Step 2 Interaction logic design
We design asset exchange and accounting logic: atomic swaps, hash time locks, escrow contracts, and validation routes between chains.
Time to deliver
~ 2-4 days
Step 3 Token bridges & wrappers
We implement cross-chain bridges for tokens or NFTs: burn/mint, lock/unlock, wrapped assets. Integrate oracles or messaging providers.
Time to deliver
~ 3-7 days
Step 4 Multichain dApp or platform development
We build interfaces and smart contracts operating across multiple networks. Configure APIs, signatures, Web3 connections, and transaction routing.
Time to deliver
~ 5-15 days
Step 5 Testing & security auditи аудит безопасности
Vulnerability analysis, swap-logic verification, token integrity checks, replay-attack protection, and testnet integration.
Time to deliver
~ 2-4 days
Step 6 Deployment & support
Launch in selected networks, prepare documentation, configure access layers, and train your team. Ongoing support and scaling.
Time to deliver
~ On demand
Technologies and tools we use
Java
Javascript
MySQL
PHP
Java
Javascript
MySQL
PHP
FAQ
Any blockchain with open APIs or SDKs: Ethereum, BNB Chain, Polygon, Avalanche, Solana, NEAR, Layer 2 solutions, and others.
Either. The format depends on your goal — exchange, payments, or a full multichain platform.
Yes. We design custom swap conditions, roles, fees, and transaction tracking.
Yes. We support MetaMask, WalletConnect, Phantom, TronLink, and more.
Integration with DeFi, DEXs, and Web3 wallets
We ensure seamless interaction with ecosystems and liquidity pools
