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Olena Petrashchuk CEO @ 4IRE
“Our mission is to help our clients build outstanding products in Blockchain and Fintech through providing them with access to strongest professionals and best-in-class delivery process”
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AI software development AI agent development AI consulting AI-enabled engineering AI product development AI SaaS development Claude powered software development AI App development AI-native operating system RAG development Agentic AI Generative AI services AI Orchestration Platform Development ChatGPT integration
RWA tokenization
Asset Tokenization Platform Development Gold tokenization platform development Real Estate Tokenization Platform Family office tokenization Fractional Ownership Platform Development RWA Tokenization Legal Consulting Infrastructure Asset Tokenization Energy tokenization platform development
Software Engineering
Custom Software Development PoC development MVP development Enterprise Software Development ERP development Appointment Scheduling Software Development Mobile App Development Backend Development Financial Software Development Investment Software development Mobile Banking App Development
Financial Software Development
Payment Processing System Transaction Processing System CryptoBank Development
Dedicated Team
AI Engineer Dedicated Software Developers IT recruiting services Blockchain developers Solidity developers Smart Contract Developers dApp developers Full-Stack Developers AI developers Data Science Developers
Blockchain
Blockchain consulting Blockchain app development Decentralized Exchange development Layer 2 & Rollups Development DAO development Cryptocurrency Exchange development Crypto Wallet Development Cryptocurrency Development
ESG / Green Finance Solutions
Green Finance development ESG software development Carbon Accounting development Carbon Management development
DeFi
dApp development DeFi development Cross-chain development DeFi staking platform DeFi Swap Exchange Development Decentralized Identity & KYC Solutions Security Token Offering
Smart contracts
Smart contract audit Smart contract development
Blockchain protocols
Ethereum development Polygon development Solana development Polkadot development Avalanche development Tron development Substrate development Binance Smart Chain development
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Our news

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Our news
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4IRE and Centra Sul Partner to Tokenize Gold and Real-World Assets Across African Markets
Apr 2026
Helen Petraschuk
4IRE Recognized Among the Top 100 Fintech Software Development Companies of 2025 by Techreviewer.co
Our news
min
4IRE Recognized Among the Top 100 Fintech Software Development Companies of 2025 by Techreviewer.co
Jul 2025
Helen Petraschuk
Green Initiative Project
GreenFi
Our news
min
Green Initiative Project: Restoring Ecosystems in the Rivne Region
Aug 2023
Helen Petraschuk
Announces Partnership with Trade Leaf 
Our news
min
4IRE Announces Partnership with Trade Leaf
Feb 2023
Helen Petraschuk
Our news
min
Clutch Recognizes 4IRE as Estonia’s Best-Ranking B2B Company for 2022
Oct 2022
Helen Petraschuk
Our news
min
4IRE was Named Top Blockchain Development Company in Ukraine
May 2022
Helen Petraschuk
Our news
min
The Manifest Recognized 4IRE as Ukraine’s Top Recommended Blockchain Developer in 2021
Nov 2021
Helen Petraschuk
Our news
Polkadot
min
4IRE Participated in Polkadot Ecosystem Hackathon
Jun 2021
Vladislav Malynovskyi
Our news
min
4IRE is building bridges with the Latin American community
Jun 2021
Vladislav Malynovskyi
Our news
min
4IRE Contributed as Developers to Aurora
Jun 2021
Vladislav Malynovskyi
DAO maker announce preview
Our news
min
4IRE Announces Partnership With DAO Maker
Mar 2021
Helen Petraschuk
Our news
min
Meet New Outstanding Partners at 4IRE
Jan 2021
Vladislav Malynovskyi
Our news
min
Green Assets Wallet won Mastercard Lighthouse MASSIV
Nov 2020
Helen Petraschuk
goodfirms cover
Our news
min
With Expert Solutions, 4IRE Is Making an Impact at GoodFirms
Oct 2020
Helen Petraschuk
Our news
min
Chromaway & 4IRE Collaboration
Oct 2020
Vladislav Malynovskyi
Our news
min
4IRE Partnering NEAR
Aug 2020
Vladislav Malynovskyi
top developers in estonia
Our news
min
4IRE Labs was Named Top Blockchain Developer in Estonia
Jul 2020
Helen Petraschuk
stockholm fintech week 2020
Our news
min
4IRE was featured at Stockholm FinTech Week 2020
Feb 2020
Helen Petraschuk
Our news
min
4IRE Meetup in Sweden: DeFi Solutions for Nordic Traditional Finance
Nov 2019
Helen Petraschuk
Our news
min
4IRE Meetup in Sweden: Product Innovations in FinTech
Sep 2019
Helen Petraschuk
Aracon conference
Our news
min
4IRE presented Tennagraph open-source solution on AraCon 2019
Feb 2019
Helen Petraschuk
clutch top
Our news
min
4IRE was featured as a Top App Developer in Ukraine!
Jul 2018
Helen Petraschuk