RedDuck

Web3 Development Agency | Smart Contracts, DeFi, RWA Tokenization, Wallets & L2

Overview

RedDuck is a Web3 development agency that helps clients launch secure and efficient smart contracts and scalable blockchain solutions faster. From DeFi protocols to RWA tokenization and custom L2s, we deliver audit-ready code and production-ready products What We Deliver • RWA, Tokenization, Supply Chains • Smart Contracts & Secure Infrastructure Modular, gas-optimized, and audit-ready contracts written in: Solidity, Vyper, Rust, Cairo, Move For: Ethereum, Arbitrum, Optimism, zkSync, Starknet, Base, Polygon, Avalanche, Solana, Sui, Aptos • Blockchain Architecture & Protocol Design We architect scalable systems using: Cosmos SDK, Substrate, Celestia, OP Stack, zkStack, Hyperledger Fabric Including: Tokenomics, staking, governance, permissioning, bridging. • Lean Web3 MVPs Fast launch, clean code. Tech stack includes: Foundry, Hardhat, Anchor, CosmWasm, zkSync SDK, Wagmi, Viem, Ethers.js, Next.js, TypeScript, GraphQL, IPFS, The Graph, MetaMask, Phantom, WalletConnect • Cross-Chain + L2s We support bridging and interoperability via LayerZero, Axelar, Wormhole, IBC, Nomad. We also design on modular & app-specific chains. • Consulting & Product Thinking We’re not just executors. We: → Ask the hard questions → Challenge assumptions → Propose smarter, sustainable paths How We Work • No over-engineering • No fake promises. Just honest feedback • Principles > trends • Optimized review & internal audit processes • Optimized development processes with modern tools & AI Who We Work With Startups, protocols, DAOs, and Web3 funds. From idea to MVP to post-audit optimization. We join early, go deep, and stay hands-on. Ready to discuss your project? Invite us for a 15-min call - we reply within one day.

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Services

Blockchain, NFT & Cryptocurrency

RWA Tokenization Platform, DeFi Protocol Development, Custom EVM & L2 Blockchain, Cosmos / Substrate App-Chain Development, Cross-Chain Solutions,

Web Development
Other - Software Development

Skills

Blockchain
Blockchain Development
Cryptocurrency
Smart Contract
Solidity
Blockchain Architecture
Ethereum
Solana
Blockchain, NFT & Cryptocurrency
Blockchain Tokenization
Blockchain Platform
Crypto Wallet Development
Web3
Tokenomics
DeFi
91% Job Success

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Upwork activity

Hourly rate

$40.00 - $80.00

Minimum project size

$1K+

Total earned

$600K+

Total hours

7,294

Total jobs

54

Member since

May 27, 2020

Company information

Agency size

2-10 workers

Year founded

2020

Client focus

Large business

Medium business

Small business

Languages

English: Native or Bilingual
Russian: Native or Bilingual
Ukrainian: Native or Bilingual
German: Conversational

Awards

🥇 EthKyiv 2025 We secured the first place at the EthKyiv 2025 hackathon
🥈EthKyiv 2024 EthKyiv 2024 Hackathon – Secured second place, receiving the award from Vitalik Buterin.
🥇NEAR MetaBuild III NEAR MetaBuild III – Won a prize and received a grant to further develop the project on the NEAR blockchain.
🥈KyivTechSummit Kyiv Tech Summit – Took the second place in this prestigious Web3 hackathon where Vitalik Buterin was present.