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PropTech
FinTech
DeFi
RWA

Consulting + Engineering for PropTech, FinTech, DeFi, and Tokenized Real-World Assets

We help founders, asset businesses, and innovators design, build, and launch compliant digital-asset products, combining product strategy, full-stack & smart contract development, and business + legal coordination.

  • RWA & tokenization: investor portals, issuance, compliance flows, lifecycle management
  • PropTech platforms: marketplaces, workflow systems, data & analytics, cross-border expansion
  • FinTech rails: onboarding, KYC/AML, payments, wallets, custody & integrations
  • DeFi systems: protocol design, risk, token mechanics, frontends and integrations
  • Delivery led by builders: the same people who ship real products, not slide decks

No spam. We respond within 1–2 business days with a clear proposal.

From "Is this possible?" to "It's live."

Tokenization and Web3-enabled finance is not just technology: it's product, regulation, market structure, and security. We work across all four so you can move fast without stepping into avoidable risk.

01

Product & Commercial Strategy

We turn ideas into a real roadmap: market fit, user journeys, pricing, distribution, and operating model, before a single line of code is written.

02

Engineering & Delivery

We design and build the system end-to-end: smart contracts, backend, frontend, integrations, and the workflows your users actually need.

03

Compliance & Legal Coordination

We structure the project for your jurisdiction and asset type, working with licensed counsel where required and translating legal constraints into product reality.

Specialized in four high-stakes domains

PropTech

Build platforms that unlock property value and reduce transaction friction.

Common projects

  • Real estate marketplaces and portals
  • Asset management dashboards and reporting
  • Cross-border listing, translation, and lead routing
  • Data pipelines: pricing, comps, demand signals
  • Tokenization-ready property workflows (identity, documents, audit trails)

Deliverables you can plan around

1Feasibility & risk memo (what's viable, what isn't, and why)
2Target architecture (on-chain/off-chain boundaries, integrations, data flows)
3Token lifecycle design (issuance, transfer, redemption, reporting)
4Compliance-by-design requirements (eligibility, disclosures, audit trails)
5MVP scope + build plan (milestones, team roles, timeline)
6Production-ready implementation (contracts + backend + UI + monitoring)
7Launch runbook (testnet, audits, go-live, incident response)

A delivery model designed for speed and safety

01

Diagnose

Week 1–2

We align on your asset, user, market, and constraints.

Outputs:
  • Problem framing and success metrics
  • Scope definition
  • Key risks identified
02

Structure

Week 2–4

We define architecture, token lifecycle, and compliance requirements.

Outputs:
  • System architecture
  • Token model
  • Compliance checklist
  • Roadmap
03

Build

Sprint-based

We implement the product iteratively, with demos and measurable progress every sprint.

Outputs:
  • Working software
  • Staging environments
  • Test coverage
  • Docs
04

Assure

Pre-launch

Security posture, audit coordination, performance hardening, and monitoring setup.

Outputs:
  • Hardened release candidate
  • Launch checklist
  • Runbook
05

Launch & Operate

Ongoing

We support production rollout and post-launch iteration.

Outputs:
  • Monitoring dashboards
  • Incident process
  • Optimization backlog

Choose the engagement that fits your stage

Most popular
A

Tokenization Feasibility Sprint

From idea to decision-ready plan

Best for:

Early-stage concepts, asset businesses exploring tokenization, teams stuck at "we need a plan."

You get:

  • Feasibility + risk memo
  • Architecture + MVP plan
  • Regulatory & legal coordination plan
  • Build estimate and phased roadmap
B

MVP Build

Full-stack + smart contracts

Best for:

Teams ready to ship a first production version of a tokenization, PropTech, or FinTech product.

You get:

  • End-to-end implementation (frontend + backend + contracts)
  • Integrations (identity/KYC, custody, payments as needed)
  • Admin tools + reporting
  • Deployment pipeline + operational runbook
C

Launch Readiness & Security

Harden before you go live

Best for:

Teams close to launch or migrating from prototype to production.

You get:

  • Threat modeling + security hardening
  • Audit coordination + remediation
  • Monitoring + incident readiness
D

Fractional CTO / Delivery Partner

Senior technical leadership without the full-time hire

Best for:

Founders needing CTO-level decisions and reliable execution without hiring full-time.

You get:

  • Architecture ownership and roadmap leadership
  • Hiring support and vendor selection
  • Delivery oversight + quality standards

Selected work and relevant build experience

PropTech

JHELY Global

International real estate portal serving multiple countries, delivered across platform architecture, mobile-first UX, cross-border listings, agent workflows, and growth mechanics. Ongoing product development and technical leadership across Spain, LATAM, and beyond.

Relevance:

Multi-country platform execution, PropTech operating realities, data-driven product improvements.

FinTech / NEOBank / DeFi

JHELY Money

Open-source, modular FinTech and DeFi infrastructure for emerging markets. Includes NEOBank frameworks, payment solutions, and blockchain integrations built around the x402 open standard. Designed to lower the barrier for startups and financial institutions to launch world-class financial products.

Relevance:

Modular financial infrastructure, payments, DeFi primitives, and emerging-market banking.

Air Rights / RWA / PropTech

Air Rights Marketplace

A platform enabling the monetization and trading of air rights: the legal right to use and control the space above buildings and land. Built across three product lines (B2C, B2B, B2Gov) with full-stack engineering spanning on-chain and off-chain components, mobile, and compliance coordination. Partnership with JHELY Global to expand into Spain and LATAM markets.

Relevance:

Real-world property rights, marketplace infrastructure, tokenization architecture, and DePIN systems.

DeFi Risk / TradFi

Volatility Risk DeFi + TradFi Trading Platform

A crypto investment platform focused on limiting volatility risks for retail and institutional investors, combining Solidity smart contracts with off-chain provable computation. Built and led the founding engineering team, introduced security-focused practices, and enabled communication of blockchain trade-offs to TradFi stakeholders.

Relevance:

DeFi-native engineering, risk-minded protocol design, CeFi/DeFi exchange architecture.

DeFi / Derivatives / RegTech

Financial Derivatives Trading Platform

End-to-end MiFID II regulated derivatives trading platform, including a crypto component. Led the full technical delivery: architecture, QA, security, compliance, and the DeFi technology and regulatory layer. The platform went live as a licensed product under Malta's MiFID II framework, after leading the certification and licensing process.

Relevance:

Regulated financial products, derivatives architecture, smart contracts, compliance and AML tech.

PropTech / DeFi / RWA

Fractionalized Real Estate Yield Platform

A US-regulated platform for fractionalized ownership of high-yield real estate, focused on Dubai properties. Investors own fractions of income-generating properties on-chain and collect rental yield continuously. Built with asset-backed tokens, DeFi compatibility for lending and borrowing, and transparent on-chain settlement. Designed for global access with institutional-grade standards.

Relevance:

Tokenized real estate, rental yield mechanics, DeFi integrations, US regulatory compliance.

DeFi / Prediction Markets

Predictions Market Platform

A DeFi-native aggregation and infrastructure layer for prediction markets. Pool-based and parimutuel markets, fully on-chain and permissionless. Built-in lending against prediction positions, leverage looping strategies, and vault mechanics enabling community capital allocation. Non-custodial, with cryptographic proofs for position integrity.

Relevance:

DeFi protocol design, pool mechanics, lending primitives, permissionless on-chain markets.

DeFi / Exchange

Hybrid DEX/CEX Crypto Exchange

A unified crypto trading platform spanning spot, perpetuals, futures, options, and prediction markets. CEX-grade off-chain matching engine combined with on-chain validation and settlement. Cannot-be-evil validator design prevents frontrunning, wash trading, and reordering. Liquidity aggregation across 100+ sources with cross-chain routing and MEV protection. Over 10,000 wallets in testnet.

Relevance:

Hybrid exchange architecture, CLOB design, DeFi/CeFi systems, high-performance trading infrastructure.

You work with senior builders, not a sales layer

We keep the team lean and senior. Your project is led by people who have built and shipped complex systems in PropTech and crypto-native environments, where security, uptime, and compliance constraints matter.

  • Direct access to CTO-level decisions
  • Faster iterations, less translation, fewer handoffs
  • Stronger architecture early, lower rework costs later
  • Clean documentation and handover if you're building an internal team
Marcin Zduniak

Marcin Zduniak

Co-Founder and CTO, JHELY Global · Blockchain and Tokenization Technology Expert

20+ years building blockchain and payment systems, DeFi protocols, and financial infrastructure. Led full-cycle engineering at crypto exchanges, RWA tokenization platforms, and a MiFID II certified derivatives platform that obtained a Malta financial license. Deep experience across Ethereum, Solana, Stellar, and EVM ecosystems.

MSc in Digital Currency, University of Nicosia. Certified Ethereum Developer (B9lab). Certified Bitcoin Professional (C4). Former Head of Blockchain at Espeso Software and CTO at trade.io crypto exchange.

Frequently Asked Questions

Let's talk about what you're building

If you're building in PropTech, FinTech, DeFi, or tokenized RWAs, we'll help you choose the fastest path that is still compliant and secure.

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