11 services

Blockchain, Web3 and Digital Assets

Ledger-based systems engineered for correctness, key safety and real-world scrutiny.

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Overview

Blockchain technology has moved past its experimental phase in many organisations, and the engineering bar has risen with it. Code is public, transactions are irreversible, and attackers are patient and well resourced. The systems that hold up are the ones designed for that environment from the first architecture review.

iQsolutions brings enterprise engineering practice to this domain. We design and build smart contracts, wallets, multi-chain applications, digital asset infrastructure and the integrations that connect ledgers to the rest of the business. Written threat models, adversarial testing and audit readiness are treated as standard scope rather than optional extras.

We are deliberate about our role. We engineer software for clients; we do not operate protocols, hold assets, issue tokens or advise on investments. That separation keeps our incentives aligned with what matters most in this field: systems that behave exactly as specified.

iQsolutions provides software engineering services only. iQsolutions is not a broker-dealer, exchange, custodian, money transmitter, investment adviser or virtual asset service provider (VASP), and holds no such licenses or registrations. We do not provide investment, legal, tax or custody services, and nothing on this site is an offer of, or a recommendation about, any digital asset. Clients remain solely responsible for their own licensing, legal, regulatory and compliance obligations in every jurisdiction where they operate.

Services in this discipline

Blockchain Application Engineering

End-to-end engineering of applications that use a blockchain where it earns its place: shared state, verifiable records and programmable settlement between parties.

Smart Contract Development

Design, implementation and testing of smart contracts in Solidity, Rust and Move, written to be readable, upgrade-aware and ready for independent audit.

DeFi Platforms

Engineering of decentralised finance protocols and interfaces, including lending, exchange and vault mechanics, with risk controls, oracle safety and audit readiness designed in.

Digital Wallet Engineering

Engineering of self-custody and embedded wallets, covering key management, transaction signing, account abstraction and multi-chain support across mobile, web and extensions.

Multi-Chain Applications

Applications that operate across several blockchains with consistent identity, state and user experience, engineered with explicit attention to bridge and messaging risk.

Digital Asset Infrastructure

Back-end infrastructure for organisations working with digital assets: node operations, key management integration, transaction orchestration, ledgering and reconciliation.

RWA Tokenisation Platforms

Engineering of platforms that represent real-world assets on-chain, with permissioned token standards, identity-gated transfers, registry integration and lifecycle operations.

On-Chain Marketplace Engineering

Marketplaces for digital collectibles, licenses, tickets and tokenised goods, covering listing, settlement, royalties and indexing, engineered for clarity, safety and scale.

Blockchain Integration

Connecting blockchains to enterprise systems such as ERP, CRM, data platforms and identity, through event-driven services, oracles and indexed data that operations teams can trust.

Web3 Security Engineering

Security engineering across the Web3 stack, from contracts and keys to infrastructure and frontends, including threat modelling, audit preparation, monitoring and incident readiness.

Trading and Financial Technology Platforms

Engineering of trading interfaces, order management, market data and post-trade systems for licensed firms and FinTech teams, built for latency, correctness and auditability.

What sets this discipline apart

01
Correctness before features
Specifications, invariants and adversarial tests come first. A smaller system that behaves exactly as intended is worth more than a larger one nobody can fully reason about.
02
Keys are the system
Many serious losses trace back to key management and operations rather than contract logic. We design custody models, signing policies and recovery procedures with the same care as the code itself.
03
Chain-agnostic judgment
We work across Ethereum and its rollups, Solana, Move-based networks and permissioned ledgers, and choose platforms based on requirements rather than allegiance to any ecosystem.
04
Compliance-aware engineering
We build the technical controls a client's compliance team specifies, such as identity checks, transfer restrictions, screening integrations and audit trails, while legal determinations stay with qualified counsel.

How engagements run

Discovery and architecture

A focused engagement to test whether a ledger fits the problem, define the custody and trust model, and produce an architecture and threat model your team can build on, with us or independently.

Dedicated product engineering

A cross-functional team of contract, backend, frontend and security engineers that designs, builds and launches the system with you, working in your repositories and toolchain from the start.

Security and readiness review

A targeted review of an existing codebase and its operations, covering contracts, keys, infrastructure and monitoring, that hardens the system ahead of independent audit or launch and leaves a prioritised remediation plan.

Discuss your Blockchain and Web3 initiative

Share your context and an iQsolutions engineer will respond with considered next steps — no obligation, no automated sales sequence.

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