Hi, Iโm Richa. I help startups and businesses turn blockchain ideas into practical crypto products, including centralized and decentralized exchanges, token platforms, DeFi applications, NFT marketplaces, and digital wallets.
Building a crypto platform involves more than developing a smart contract or connecting a wallet. The complete product must manage users, blockchain transactions, digital assets, pricing, liquidity, permissions, backend services, external APIs, and administrative operations. I focus on understanding how these parts connect before defining the technical approach.
For crypto exchange development, I can help create centralized, decentralized, or hybrid platforms. Depending on the business model, an exchange may include user registration, wallet authentication, crypto deposits and withdrawals, trading pairs, token listings, buy and sell orders, token swaps, transaction history, price charts, trading fees, commissions, liquidity integrations, and administrative dashboards.
A centralized exchange requires controlled account and asset management, while a decentralized exchange allows users to trade through connected wallets and smart contracts. Before recommending an architecture, I consider custody, liquidity, supported networks, expected transaction volume, user experience, security requirements, and regional compliance needs.
I also work on DeFi product development. This can include token swaps, liquidity pools, staking, reward distribution, lending, borrowing, yield calculations, governance, and DeFi dashboards. These workflows need accurate calculations and clear transaction steps so users understand what they are approving through their wallets.
For token development and tokenization platforms, I can help define and implement token supply, minting, burning, transfers, vesting schedules, distribution rules, ownership records, wallet support, and administrative permissions. Tokenization can be used for digital assets, rewards, memberships, access rights, or real-world assets, depending on the product and applicable regulations.
The first step in a tokenization project is understanding what the token represents. It is also important to define who can hold or transfer it, how its supply will be controlled, which information should remain on-chain, and which operations should be handled by the applicationโs backend.
For NFT products, I can help build minting platforms and NFT marketplaces that support collections, metadata, digital media, wallet connections, listings, purchases, auctions, ownership transfers, creator royalties, marketplace commissions, search, filters, and user dashboards.
My goal is to make the NFT journey understandable for both experienced Web3 users and people using a blockchain product for the first time. Connecting a wallet, minting an asset, approving a transaction, listing an NFT, and completing a purchase should feel like one connected experience.
I can also help develop custodial and non-custodial crypto wallets for web and mobile applications. Wallet functionality may include wallet creation or connection, multi-token balances, sending and receiving assets, QR-code transactions, network selection, gas-fee information, address validation, transaction confirmation, history, and recovery workflows.
The right wallet model depends on who controls the private keys. A custodial product gives the platform more responsibility for security and account recovery. A non-custodial wallet gives users direct control over their assets but requires clear backup and recovery instructions. I help clients understand this difference before the product architecture is finalized.
Security is considered throughout the complete development process. This includes authentication, role-based permissions, transaction validation, safe contract interactions, administrative controls, activity logging, and error handling. I also plan for failed transactions, incorrect networks, insufficient balances, duplicate requests, price changes, delayed confirmations, and third-party API failures.
My development process starts with understanding the business model, target users, supported assets, preferred blockchain networks, custody approach, transaction flow, revenue model, and external integrations. Once these details are clear, I help define the application modules, smart contract responsibilities, wallet journeys, backend services, APIs, testing requirements, and development priorities.
Share your idea, current platform, supported blockchain, or technical challenge. I will review the requirements and suggest a practical way forward.
I've architected a full Layer-1 blockchain from scratch consensus, validators, staking and built AI agents that transact on-chain autonomously. 100% Job Success, every rated project 5 stars.
I'm a Blockchain & AI Developer who ships complete products end-to-end: smart contracts, backends, web dApps, and mobile apps. Clients come to me when they need one developer who understands the full stack from on-chain logic to the app store.
WHAT I DELIVER
Agentic AI & On-Chain Payments โ Autonomous AI agents transacting via the x402 protocol: machine-to-machine micropayments, zero human intervention. Built with LangChain, CrewAI, and LLM APIs.
Custom Layer 1 Blockchains Complete chains with consensus, validator infrastructure, staking economics, block explorer, and faucet delivered with UAT reports and scaling roadmaps.
Solana Development Anchor programs and MEV-aware trading systems with Jito bundle execution, backed by NestJS/PostgreSQL.
Full dApp Development NFT marketplaces, DeFi tools, token platforms across Ethereum, Polygon, and EVM chains wallet integration to polished frontend.
Mobile Apps Cross-platform Flutter apps with Web3 integration, including a multilingual P2P crypto trading platform with USDT escrow.
AI Products & Automation LLM-powered systems, multi-agent workflows, AI fact checking infrastructure, and intelligent automation pipelines.
Enterprise Integration Hyperledger Fabric systems, including edge-device deployments with tamper-proof data integrity.
STACK
Rust โข Solidity โข C++ โข TypeScript โข Python โข React/Next.js โข Node.js/NestJS โข Flutter โข Anchor โข Web3.js โข LangChain โข CrewAI โข IPFS โข Hyperledger โข PostgreSQL โข MongoDB
HOW I WORK
Clients hand me a problem statement, not a spec and receive a production system with documentation, testing reports, and a roadmap. Recent feedback: "very professional and fast, will hire again."
Whether it's a smart contract, a full dApp, a mobile app, or an AI agent system I build it production-ready. Let's scope your project.
I build compliant tokenization infrastructure for real estate platforms, private credit
issuers, and security token offerings โ handling everything from smart contract
architecture to KYC/AML gating and on-chain transfer restrictions.
10+ years of full-stack development, with deep focus on blockchain and tokenization.
I have worked across 7 tokenization projects spanning real estate fractional ownership,
asset-backed tokens, and DeFi protocols โ and I understand the compliance layer that
makes security tokens legally operable, not just technically functional.
โโ Smart Contract Architecture โโ
โ ERC-3643 & ERC-1400 security token standards
โ On-chain compliance modules & transfer restriction logic
โ Multi-jurisdiction investor whitelisting (Reg D / Reg S / SEBI SM-REIT)
โ Smart contract auditing & security review
โโ Tokenization Infrastructure โโ
โ Real estate fractional ownership platforms
โ KYC/AML-integrated token issuance flows
โ Cap table management on-chain
โ Asset-backed token structuring (real estate, art, private credit)
โโ Full-Stack Integration โโ
โ Investor dashboards (Next.js, React)
โ Wallet integrations (MetaMask, WalletConnect, Privy)
โ Backend APIs (Node.js, NestJS, Go)
โ Multi-chain deployment (Ethereum, Polygon, Arbitrum, Base)
โโ Why clients choose me โโ
โ I don't just write contracts โ I understand the compliance architecture that makes
security tokens legally operable across jurisdictions
โ Production-grade code with documented architecture and audit-ready structure
โ Direct communication, milestone-based delivery, no agency overhead
Let's talk about your tokenization project โ I respond within a few hours.
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