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iQsolutions

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블록체인, Web3 및 디지털 자산

블록체인 애플리케이션 엔지니어링

당사자 간 공유 상태, 검증 가능한 기록, 프로그래밍 가능한 정산처럼 블록체인이 실질적인 가치를 내는 영역에서 이를 활용하는 애플리케이션을 엔드투엔드로 구축합니다.

개요

Most blockchain projects struggle with the parts around the chain: key handling, indexing, user experience and operations. We engineer the whole application, from contracts and backend services to data pipelines and interfaces, as one system with clear trust boundaries and testable behavior.

Before any code, we test whether a ledger is the right tool at all. When a shared database would serve better, we say so. When it would not, we design for finality, fee volatility and upgrade paths from the first sprint.

비즈니스 활용 분야

  1. 01

    Multi-party record systems

    Shared registries where several organizations need a common, tamper-evident record of provenance, certifications or attestations without any single party controlling the database. On-chain anchors pair with off-chain storage so sensitive data never lands on a public ledger.

  2. 02

    Programmable settlement workflows

    Business processes where meeting one condition should release the next step automatically, such as escrow-style flows and milestone releases, encoded in tested contract logic instead of being reconciled by hand across separate systems.

  3. 03

    Verifiable credentials and attestations

    Issuing and checking memberships, licenses and completion records using standards such as W3C Verifiable Credentials and the Ethereum Attestation Service, so third parties can verify claims without calling back to the issuer.

  4. 04

    Permissioned and consortium networks

    Deployments on Hyperledger Fabric or permissioned EVM networks such as Hyperledger Besu, where participants are known, privacy requirements are strict and governance must be written down before the first node goes live.

엔지니어링 접근 방식

  1. 01

    Fit assessment

    We map actors, trust assumptions and data sensitivity to decide what belongs on-chain, what stays off-chain, and whether a ledger is justified at all.

  2. 02

    Architecture and threat model

    Contracts, indexers, APIs, key management and frontends are designed together. A written threat model names privileged roles, upgrade authority, oracle dependencies and failure modes before implementation starts.

  3. 03

    Contract and service build

    Smart contracts are developed test-first in Foundry or Hardhat, while backend services, event indexing and APIs are built in parallel against local forks and public testnets.

  4. 04

    Verification and hardening

    Unit, fuzz and invariant tests, static analysis and peer review prepare the codebase for an independent audit. Findings are tracked to closure rather than filed and forgotten.

  5. 05

    Launch and operations

    Staged deployment moves from testnet to mainnet with monitoring, alerting, runbooks and incident procedures in place before real users or real value touch the system.

기술 및 플랫폼

Chains and networks

  • Ethereum
  • Arbitrum
  • Optimism
  • Base
  • Polygon PoS
  • Solana
  • Hyperledger Besu

Contract development

  • Solidity
  • Foundry
  • Hardhat
  • OpenZeppelin Contracts
  • Rust with Anchor

Application layer

  • TypeScript
  • viem
  • wagmi
  • ethers.js
  • Next.js
  • Node.js

Data and infrastructure

  • The Graph
  • Chainlink
  • IPFS
  • PostgreSQL
  • Alchemy
  • Infura

기술 명칭은 각 소유자의 상표이며, 파트너십이나 보증을 의미하지 않습니다.

제공 결과물

  • Fit assessment with an on-chain and off-chain data boundary
  • System architecture and written threat model
  • Tested smart contracts with deployment scripts
  • Backend services, indexers and APIs
  • Web or mobile client with wallet connectivity
  • Operational runbooks, monitoring and an audit-preparation package

리더들이 자주 묻는 질문

How do you decide whether a project actually needs a blockchain?

We look for several parties who do not fully trust one another, a need for a shared and verifiable record, and a reason no single operator should control it. If those conditions are missing, a conventional database is usually cheaper, faster and easier to govern, and we will recommend it.

Do you build on public or permissioned networks?

Both. Public networks such as Ethereum and its rollups suit applications that need open verification and composability. Permissioned networks like Hyperledger Fabric or Besu suit consortiums with known participants and strict privacy rules. The choice follows governance, privacy and integration requirements rather than preference.

Can a blockchain application integrate with our existing systems?

Yes, and most should. We typically connect contracts to ERP, CRM and identity systems through event-driven services and indexed data, so enterprise teams keep working in familiar tools while the ledger maintains the shared record underneath.

블록체인 애플리케이션 엔지니어링 관련 프로젝트 상담하기

귀사의 상황을 공유해 주시면 iQsolutions 엔지니어가 신중하게 검토한 다음 단계를 안내해 드립니다. 부담 없이 문의하실 수 있으며, 자동화된 영업 메일은 발송하지 않습니다.