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[Worked with]
alior bank
tommy hilfiger
hedera
hacken
cookie3
soil
kinguin
aleph zero
[About us]

Nextropedesigns and shipsTokenization, Security, and Custom AItaking teamsfrom researchand PoCto productionand scale.We work withstartups and enterprises, connecting decentralizednetworks withAI capabilities,and actas a long-termpartner forarchitecture,delivery,and MLOps.

[core competencies]

Tokenization (RWA & Security Tokens)

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Tokenization (RWA & Security Tokens)
Asset modeling
Smart contracts (ERC-20/1400/721)
KYC/AML
Custody
Registrar/cap table
Secondary trading hooks
MiCA/DLT Pilot readiness

We design and launch EU-ready tokenization platforms from architecture to issuance and investor operations.

Web3 Security & Smart-Contract Audits

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Web3 Security & Smart-Contract Audits
Solidity/Rust audits
Threat modeling
Fuzzing
Formal checks
On-chain monitoring
Incident response

Manual and AI-assisted audits and end-to-end hardening with retest and CI/CD integration.

DeFi & On-Chain Protocol Development

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DeFi & On-Chain Protocol Development
Token economics
Oracle design
Fee/reward models
Cross-chain bridges
Performance & gas optimization

We build and extend DeFi protocols: liquidity, staking, lending, AMMs, vaults.

Hyperledger / Permissioned Blockchain

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Hyperledger / Permissioned Blockchain
Channels & PDC
Identity/PKI
ERP/Core Banking integrations
Data privacy
Auditability

Enterprise deployments on Fabric/Corda for finance, logistics, and public sector.

AI Model Development (from Scratch)

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AI Model Development (from Scratch)
Data pipelines
Pre-training/fine-tuning
Eval harness
Vector stores
Latency/cost tuning

Custom models end-to-end. LLM/vision/time-series: data, training, and evaluation for your use case.

Generative AI & RAG Systems

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Generative AI & RAG Systems
Retrieval pipelines
Chunking/embeddings
Guardrails
Document automation (prospectus/KID)
Multilingual

Domain-aware systems over your documents and data with quality control and guardrails.

MLOps & AI Production Engineering

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MLOps & AI Production Engineering
CI/CD for ML
Feature store
Drift/quality monitoring
Cost management
RBAC
Audit logs

Productionizing AI: serving, monitoring, governance on-prem or cloud.

Product Maintenance & Growth Engineering

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Product Maintenance & Growth Engineering
SRE/observability
Upgrades/migrations
UX/CRO
Analytics
Performance & cost optimization

Ongoing product evolution: SLO/SLA, performance, analytics, and conversion so platforms grow with the business.

Case↳ Studies

Durable Medium on Public Ethereum - Alior Bank

Durable Medium on Public Ethereum - Alior Bank

Immutable, verifiable banking documents with core-system integrations.

Hyperledger / Permissioned BlockchainWeb3 Security & Smart-Contract Audits
Phygital NFT for Premium Fashion - WeAr x Tommy Hilfiger

Phygital NFT for Premium Fashion - WeAr x Tommy Hilfiger

NFT collection bridging fashion and blockchain: minting, wallet UX, event integration.

Tokenization (RWA & Security Tokens)
Gaming NFT Marketplace with Layer-2 Scaling - Kinguin

Gaming NFT Marketplace with Layer-2 Scaling - Kinguin

Minting, secondary market, payments, and gas-cost optimization.

Tokenization (RWA & Security Tokens)DeFi Protocol Development
RWA Lending Platform - SOIL

RWA Lending Platform - SOIL

Secure returns on stablecoins, deflationary tokenomics, Hacken audit, multichain Guarantee Fund.

DeFi Protocol DevelopmentTokenization (RWA & Security Tokens)Web3 Security & Smart-Contract Audits
Encrypted Chat with Integrated Web3 Wallet - BNXT

Encrypted Chat with Integrated Web3 Wallet - BNXT

End-to-end encryption, wallet integrations, and DeFi modules in one app.

DeFi Protocol DevelopmentWeb3 Security & Smart-Contract Audits
Durable Medium on Public Ethereum - Alior Bank

Durable Medium on Public Ethereum - Alior Bank

Immutable, verifiable banking documents with core-system integrations.

Hyperledger / Permissioned BlockchainWeb3 Security & Smart-Contract Audits
RWA Lending Platform - SOIL

RWA Lending Platform - SOIL

Secure returns on stablecoins, deflationary tokenomics, Hacken audit, multichain Guarantee Fund.

DeFi Protocol DevelopmentTokenization (RWA & Security Tokens)Web3 Security & Smart-Contract Audits
Phygital NFT for Premium Fashion - WeAr x Tommy Hilfiger

Phygital NFT for Premium Fashion - WeAr x Tommy Hilfiger

NFT collection bridging fashion and blockchain: minting, wallet UX, event integration.

Tokenization (RWA & Security Tokens)
Encrypted Chat with Integrated Web3 Wallet - BNXT

Encrypted Chat with Integrated Web3 Wallet - BNXT

End-to-end encryption, wallet integrations, and DeFi modules in one app.

DeFi Protocol DevelopmentWeb3 Security & Smart-Contract Audits
Gaming NFT Marketplace with Layer-2 Scaling - Kinguin

Gaming NFT Marketplace with Layer-2 Scaling - Kinguin

Minting, secondary market, payments, and gas-cost optimization.

Tokenization (RWA & Security Tokens)DeFi Protocol Development

Testimonials

Alior Logo

↳ A durable medium solution developed with ethereum.

[ scratch me ]
Tomasz Alior

Tomasz Sienicki

[Blockchain Strategy Manager, Alior Bank]

Nextrope ensured the Blockchain service met the high-quality standards specified in our contract, delivering consistent and reliable results.

Blog

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Protecting digital art with blockchain in the MARMALADE project

20 Jan / 2026-
Protecting digital art with blockchain in the MARMALADE project

Protect digital art from theft using watermarking, screenshot blocking, and blockchain copyright proof. Inside MARMALADE with Nextrope.

Creative ownership in the MARMALADE project

01 Dec / 2025+
Creative ownership in the MARMALADE project

See how the MARMALADE project and Nextrope are redefining works ownership by empowering artists with secure and sustainable tools.

EUDI Wallet and relying parties – eIDAS 2.0 in practice

13 Nov / 2025+
EUDI Wallet and relying parties – eIDAS 2.0 in practice

EUDI Wallet and relying parties: An integration guide covering OpenID4VP/CI, DID, and metrics for service providers under eIDAS 2.0.

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[Services]

Tokenization (RWA & Security Tokens)Web3 Security & Smart-Contract AuditsDeFi Protocol DevelopmentHyperledger / Permissioned BlockchainAI Model Development (from Scratch)Generative AI & RAG SystemsMLOps & AI Production EngineeringProduct Maintenance & Growth

[Resources]

Case StudiesBlog

[Company]

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NEXT ENTERPRISES LIMITED LIABILITY COMPANY

is implementing the project „Audit of smart contracts using artificial intelligence”

Project co-financed by the EU:
3 090 156,39 PLN

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