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Blockchain Solutions
Secure, scalable blockchain architectures for enterprise. We build decentralized applications (DApps), smart contracts, and private permissioned networks using Solidity, Rust, and Hyperledger. Indext Data Lab designs these systems to remove intermediaries, automate trust through code, and create transparent, audit-proof transaction histories for enterprise applications
100% Job Success
Expert-Vetted
Top-Rated Plus
100% Job Success
Expert-Vetted
Top-Rated Plus
100% Job Success
Expert-Vetted
Top-Rated Plus
100% Job Success
Expert-Vetted
Top-Rated Plus
How to solve specific friction points with blockchain?
Zero-Trust Verification
Traditional systems rely on trust in a central authority. Our solutions rely on cryptographic verification. This removes the need for costly intermediaries like clearinghouses or escrow agents.
- Result: Reduces transaction fees by 30-50% and removes single points of failure
Immutable Audit Trails
In a blockchain, every transaction is cryptographically linked to the one before it. To change one record, a bad actor would have to change the entire chain history across all nodes simultaneously.
- Result: Real-time auditing becomes possible. Compliance costs drop because the ledger acts as the single source of truth
Automated Execution
By using smart contracts, we automate business logic. For example, a supply chain contract can automatically release payment when a shipment reaches a GPS location.
- Result: Reduces administrative overhead and speeds up settlement times from days to seconds
Data Interoperability
Siloed databases block information flow. A distributed ledger allows different departments or even different companies to read and write to the same shared database without exposing sensitive internal systems.
- Result: Increases supply chain visibility and data synchronization speed
Core Technical Architecture & Stack
To build robust decentralized networks, we select the right tools for the specific layer of the blockchain stack. We do not use "one-size-fits-all" templates. We choose protocols based on throughput (transactions per second), latency (time to confirm a transaction), and finality requirements.
Layer 1 & Layer 2 Protocols
We work with both base-layer networks and scaling solutions
- Ethereum: The standard for EVM (Ethereum Virtual Machine) compatibility. We use this for public applications needing maximum decentralization.
- Solana & Near: High-throughput chains using Proof-of-History (PoH) or sharding to handle thousands of transactions per second.
- Polygon & Arbitrum (Layer 2): Scaling solutions that roll up transactions off-chain to lower gas fees—the cost paid to process a transaction—while keeping the security of the main Ethereum chain.
- Hyperledger Fabric: A private, permissioned framework. We use this for enterprise clients who need to restrict data access to known participants only.
- Solidity: The primary language for Ethereum-based contracts. We use it to write logic for token standards like ERC-20 (fungible assets) and ERC-721 (NFTs).
- Rust: A memory-safe language we use for Solana and Polkadot development. It prevents common bugs like null pointer dereferencing.
- Vyper: A Pythonic language for the EVM. We use it for high-security contracts because its simplicity makes it easier to audit.
Smart Contract Development
Smart contracts are self-executing programs stored on a blockchain that run when specific conditions are met.
Decentralized Storage & Oracles
We integrate off-chain solutions to handle data efficiency.
- IPFS (InterPlanetary File System): A peer-to-peer network for storing and sharing data in a distributed file system. We use IPFS to store large media files while keeping only the cryptographic hash—a unique digital fingerprint—on the blockchain.
- Chainlink Oracles: Middleware that connects smart contracts to real-world data. We use oracles to feed external price feeds, weather data, or API results into the blockchain securely.
- RPC Nodes: Remote Procedure Call nodes that allow our applications to talk to the blockchain.
- Validator Nodes: Servers that participate in consensus—the process of agreeing on the state of the ledger—to secure the network.
Node Infrastructure
Industries We Serve
Supply Chain & Logistics
We build "track and trace" systems.
- Tokenization: We turn physical assets into digital tokens. This allows you to track a product's journey from raw material to retail.
- Provenance: We record certifications and quality checks on-chain. This proves the authenticity of luxury goods or pharmaceuticals.
Decentralized Finance (DeFi)
We engineer financial instruments that run without banks.
- DEXs (Decentralized Exchanges): Platforms where users trade assets directly via liquidity pools—smart contracts holding funds to facilitate trading.
- Lending Protocols: Systems that let users lend assets to earn interest or borrow against collateral automatically.
Digital Identity (SSI)
We build Self-Sovereign Identity solutions.
- DIDs (Decentralized Identifiers): Users control their own ID credentials without relying on Google or Facebook login.
- Verifiable Credentials: A university can issue a degree as a digital credential. The student holds it in their wallet and can prove they graduated without the university needing to verify it every time.
How We Build
We follow a rigorous SDLC (Software Development Life Cycle) adapted for the immutable nature of blockchain. Unlike web development, you cannot easily "patch" a smart contract once deployed. Code quality must be perfect at launch.
Protocol Selection & Tokenomics
We start by defining the consensus mechanism—the rules nodes use to agree on data.
Assessment: We look at your throughput needs. If you need 50,000 transactions per second, we look at Solana. If you need total privacy, we look at Hyperledger or Corda.
Tokenomics: If the project needs a token, we model the economic incentives. We define the total supply, inflation rate, and utility—how the token is used within the ecosystem.
Assessment: We look at your throughput needs. If you need 50,000 transactions per second, we look at Solana. If you need total privacy, we look at Hyperledger or Corda.
Tokenomics: If the project needs a token, we model the economic incentives. We define the total supply, inflation rate, and utility—how the token is used within the ecosystem.
Architecture Design
We map out the interaction between the front end (what the user sees) and the chain.
State Management: We decide what data goes "on-chain" (expensive, permanent) and what stays "off-chain" (cheap, mutable).
Wallet Integration: We design how users will connect. We support MetaMask, WalletConnect, and hardware wallets.
State Management: We decide what data goes "on-chain" (expensive, permanent) and what stays "off-chain" (cheap, mutable).
Wallet Integration: We design how users will connect. We support MetaMask, WalletConnect, and hardware wallets.
Smart Contract Implementation
Our engineers write the core logic.
Development: We write modular code. We use standard libraries like OpenZeppelin to ensure we use battle-tested patterns for ownership and access control.
Unit Testing: We write tests for every function. We simulate thousands of scenarios to ensure the contract behaves as expected.
Development: We write modular code. We use standard libraries like OpenZeppelin to ensure we use battle-tested patterns for ownership and access control.
Unit Testing: We write tests for every function. We simulate thousands of scenarios to ensure the contract behaves as expected.
Security Auditing & Formal Verification
Security is our top priority. A bug in a smart contract can lead to irreversible fund loss.
Static Analysis: We use tools like Slither and MythX to scan code for known vulnerabilities (e.g., Reentrancy attacks, Integer overflows).
Gas Optimization: We refactor code to minimize the computational effort required to run it, saving users money on transaction fees.
Testnet Deployment: We deploy to a test network—a sandbox copy of the blockchain—to see how the system performs under load without risking real assets.
Static Analysis: We use tools like Slither and MythX to scan code for known vulnerabilities (e.g., Reentrancy attacks, Integer overflows).
Gas Optimization: We refactor code to minimize the computational effort required to run it, saving users money on transaction fees.
Testnet Deployment: We deploy to a test network—a sandbox copy of the blockchain—to see how the system performs under load without risking real assets.
Mainnet Launch & Indexing
We push the code to the live network.
Deployment: We sign the deployment transaction and verify the contract source code on block explorers like Etherscan.
Indexing: We set up subgraphs using The Graph. This indexes blockchain data so your front-end application can query it quickly, just like a standard API.
Deployment: We sign the deployment transaction and verify the contract source code on block explorers like Etherscan.
Indexing: We set up subgraphs using The Graph. This indexes blockchain data so your front-end application can query it quickly, just like a standard API.
FAQ: Common Questions
A public blockchain (like Bitcoin or Ethereum) is permissionless, meaning anyone can join the network, read the ledger, and send transactions. It offers the highest security through decentralization. A private blockchain (like Hyperledger Fabric) is permissioned. Only authorized entities can join and view data. We use private chains for enterprise use cases where trade secrets and privacy are critical.
We use a multi-step security process. First, we write code using established standards. Second, we perform automated static analysis to catch syntax errors and known bugs. Third, we conduct manual peer reviews. Finally, for high-value contracts, we engage third-party audit firms to perform a "formal verification"—a mathematical proof that the code logic is sound.
Yes. We do not need to replace your current ERP or CRM systems. We use APIs (Application Programming Interfaces) and oracle networks to bridge your legacy software with the blockchain. Your internal systems can push data to the chain for verification, or read data from the chain to update local records.
The timeline depends on complexity. A simple Proof of Concept (PoC) with basic smart contracts can take 4-6 weeks. A fully custom enterprise solution with complex tokenomics, auditing, front-end integration, and mainnet deployment typically takes 3-6 months. We work in agile sprints to show progress and iterate quickly.
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