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WEB3, SMART CONTRACTS & CRYPTO SITES

Web3 Development, Smart Contracts & Blockchain Sites

Audited smart contracts, sub-second dApp frontends, DeFi protocols, NFT launchpads, and high-converting Web3 websites engineered with zero-trust cryptographic security.

Executive Overview & Direct Answer

Logics Limited is an Islamabad-based Web3 and blockchain engineering company developing decentralized applications (dApps), audited EVM & Solana smart contracts, DeFi protocols, and high-converting Web3 websites. We deploy specialized blockchain engineering pods operating on weekly milestone sprints with 100% intellectual property ownership, strict multi-sig governance, and formal security verification.

0
Critical Vulnerabilities Post-Audit
300k+
Gas Savings via Assembly/Yul
100%
Client Multi-Sig Ownership
2-4 Wks
Average dApp Delivery Sprint
Strategic Alignment

Who This Service Is Engineered For

Designed for founders, technical leaders, and enterprises requiring zero-friction execution.

Web3 startups and crypto founders requiring audited smart contracts and sub-second Next.js dApp frontends.

DeFi protocols seeking automated market maker (AMM) pools, staking contracts, and liquidity reward vaults.

Enterprises and institutions tokenizing real-world assets (RWA) or deploying permissioned private subnets.

Blockchain projects needing high-converting marketing websites, presale launchpads, and documentation portals.

Turnkey Deliverables

What Our Dedicated Pod Delivers

Complete engineering scope deployed in weekly milestone sprints with 100% intellectual property ownership.

High-Converting Web3 Websites & dApp Frontends

Sub-second Next.js 15 frontends integrated with Wagmi, Viem, Web3Modal, RainbowKit, and Privy for seamless multi-wallet onboarding and transaction signing.

Audited Smart Contract Engineering (EVM & Solana)

Battle-tested Solidity (EVM) and Rust (Anchor/Solana) smart contracts developed with Foundry and Hardhat, verified against reentrancy, flash loan attacks, and integer overflows.

DeFi Protocols, Staking Engines & AMM Pools

Custom decentralized finance architecture featuring yield farming, staking reward multipliers, liquidity pool balancing, and automated treasury fee routing.

Token Launchpads & NFT Minting Portals

ERC-20, ERC-721A, and SPL token smart contracts with automated vesting schedules, Merkle-tree gas-optimized whitelisting, and viral presale claim portals.

Security Auditing & Multi-Sig Safe Governance

Automated Slither and Mythril static analysis, formal verification test suites, and Safe (Gnosis Safe) multi-sig treasury governance deployment.

Execution Methodology

5-Step Iterative Sprint Lifecycle

Standard Sprint Duration: 3 to 6 Weeks.

01

Tokenomics & Protocol Architecture

We model economic incentives, emission curves, gas optimization vectors, and state machines to establish a sound mathematical foundation.

02

Smart Contract Development & Local Fork Testing

Writing gas-optimized Solidity/Rust code using Foundry, simulating thousands of mainnet fork conditions and edge scenarios.

03

dApp Frontend Assembly & Wallet Integration

Engineering reactive Next.js 15 interfaces with optimistic UI updates, multi-chain switching, and account abstraction (ERC-4337).

04

Security Audit & Fuzz Testing Pass

Executing automated static analysis, invariant fuzzing, and manual line-by-line vulnerability assessment with zero critical findings.

05

Mainnet Deployment & Multi-Sig Vault Handover

Deploying contracts to Ethereum, Arbitrum, Base, Polygon, or Solana, transferring multi-sig ownership to client Safe vaults.

Dedicated Pod Composition
1x Lead Blockchain Architect (Islamabad HQ)
2x Senior Solidity / Rust Smart Contract Engineers
1x Senior Web3 Frontend Engineer (Wagmi/Viem)
1x Smart Contract Security Auditor
Production Tech Stack
SolidityRust (Anchor)FoundryHardhatNext.js 15Viem / WagmiEthers.jsThe Graph (Subgraphs)IPFS / ArweaveSafe Multi-SigSlither / MythrilChainlink Oracles
Commercial Terms & Investment Guidance

Transparent Engagement Models

Starting Range

PKR 550,000 to PKR 3,500,000+ ($2,000 to $12,500+ USD)

Scope-dependent starting investment for verified production sprints.

Engagement Model

Fixed Milestone Sprint or Dedicated Weekly Blockchain Pod

Milestone-gated deliveries or dedicated monthly engineering pods.

Primary Cost Factors
  • Smart contract complexity (Standard Token vs. Custom AMM / Lending Protocol)
  • Target blockchain network (EVM, Layer 2s, Solana, or Multi-Chain)
  • Formal verification audit depth and penetration testing scope
  • dApp frontend scope and multi-wallet account abstraction features

* Exact investment varies by smart contract complexity, target blockchain networks, and audit scope. Contact us for a transparent, itemized engineering proposal.

Public Case Validation

Verifiable Enterprise Track Record

Trusted by sovereign enterprises, institutional museums, and global ministries.

Decentralized Staking Protocol (GCC & UK)

Scope: ERC-20 Liquid Staking Smart Contract, Merkle Whitelist & Next.js 15 dApp Frontend

Impact: Zero critical bugs during independent audit; processed $4.2M+ total value locked (TVL) with sub-second wallet synchronization.

RWA Real Estate Tokenization Portal (Dubai / Islamabad)

Scope: Fractionalized Real Estate Tokenization Engine, KYC/AML Compliance Hooks & Investor Portal

Impact: Completed smart contract execution and investor dashboard deployed on Polygon with 100% on-chain transparency.

High-Frequency NFT Launchpad (Solana)

Scope: Candy Machine v3 Custom Frontend, Rust Program Modifications & Sub-Second Mint Engine

Impact: Successfully minted 10,000 digital assets in under 9 minutes with zero dropped transactions or RPC timeouts.

Direct Answers

Frequently Asked Questions

Key questions answered regarding our technical delivery, IP ownership, and operational SLAs.

What types of Web3 projects does Logics Limited develop?

We engineer end-to-end Web3 systems: high-converting crypto project websites, decentralized applications (dApps), audited EVM (Ethereum, Arbitrum, Base, Polygon, BSC) and Solana smart contracts, DeFi liquidity protocols, staking dashboards, NFT launchpads, token presale portals, and decentralized identity (DID) integrations.

Do you audit smart contracts before mainnet deployment?

Yes. Every contract we write undergoes comprehensive automated fuzz testing using Foundry, static analysis with Slither and Mythril, and manual code review to eliminate reentrancy, access control bypasses, oracle manipulation, and arithmetic bugs before deploying to production mainnet.

Can you build both the Web3 website and the underlying smart contracts?

Yes, our pods provide turnkey delivery. We design the high-converting marketing site, wire the reactive dApp frontend using Next.js 15, Viem, and Wagmi, develop and deploy the smart contracts, and configure subgraphs on The Graph for real-time indexed blockchain data.

Who owns the deployed smart contracts and admin keys?

You do. We deploy using Gnosis Safe (Safe) multi-sig vaults or transfer the contract owner / admin keys directly to your designated cold storage hardware wallet upon launch, alongside 100% client code ownership under our bilateral NDA.

Which blockchains and ecosystems do you support?

We support all major blockchain ecosystems: Ethereum, Arbitrum, Base, Optimism, Polygon, BNB Chain, Avalanche, and Solana. We also integrate Chainlink data feeds, Pyth oracles, and decentralized storage on IPFS, Filecoin, and Arweave.

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