Smart Contract Security Engineering
Security engineering for smart contracts: threat modelling, secure design, internal review and monitoring — audit-ready.
Identity
SSOMFAPasskeysAccess control
RBACLeast privilegeJust-in-timeSecrets
VaultRotationNo secrets in codeEncryption
TLS in transitEncrypted at restMonitoring
Audit logAlertsThreat detection
Audit events
login.mfa.success
user · passkey
role.granted
approved by 2nd admin
secret.rotated
db-credentials
anomaly.flagged
unusual geo → ticket
Division
Service area
Smart Contract Engineering
Engagement
Project · Team · Managed
Overview
Smart contract security engineering embeds security throughout development: threat modelling at design, secure patterns and libraries in implementation, adversarial testing, internal security review and post-deployment monitoring. It complements, and prepares for, independent audits by specialist firms — we do not present our internal review as an independent audit.
Common use cases
- Secure developmentSecurity built into a new contract system.
- Internal security reviewPre-audit review of existing code.
- Post-incident hardeningImproving security after an incident.
- Monitoring setupOn-chain alerting for deployed contracts.
Quick answers
Smart Contract Security Engineering at a glance
The essentials in brief. Every project is scoped individually — ask us for specifics.
- What is smart contract security engineering?
- Security engineering for smart contracts: threat modelling, secure design, internal review and monitoring — audit-ready.
- Who is it for?
- Typically Web3 startups, fintechs adding digital assets, and institutions exploring tokenization, stablecoins or on-chain settlement.
- What does Shivacha provide?
- Threat modelling
- Secure patterns
- Access control review
- Internal review
- Economic analysis
- Runtime monitoring
- Which technologies are used?
- Solidity, Vyper, Rust, Foundry, Hardhat, OpenZeppelin — chosen to fit your stack and constraints.
- How does the process work?
- Specify → Design → Implement → Test adversarially → Prepare for audit.
- What affects the cost?
- Contract complexity and number of chains
- Custody and wallet model
- Independent audit scope
- Indexing, analytics and back-office tooling
- Compliance integrations (KYC, AML, Travel Rule)
- Upgradeability and governance requirements
- How long does it take?
- A focused contract system or dApp MVP typically takes 8–14 weeks plus independent audit time; institutional platforms usually take 4–9 months.
- How do I get started?
- Share a short brief in the form below, book a 30-minute call or message us on WhatsApp. A senior engineer replies within one business day; NDA on request.
Capabilities
What we deliver
Threat modelling
Attackers, assets and attack paths.
Secure patterns
Reentrancy guards, checks-effects-interactions and more.
Access control review
Privileged role analysis.
Internal review
Line-by-line security review.
Economic analysis
Price manipulation and incentive attacks.
Runtime monitoring
Alerts on suspicious activity.
Architecture
Engineered right from day one
The layers we typically design for smart contract engineering, adapted to your stack and partners.
- Audit-ready, not self-auditedInternal review supports but never replaces independent audits.
- Admin key designMultisig, timelocks and role separation for privileged functions.
- Upgradeability trade-offsProxies add flexibility and risk; used only when justified.
- Gas efficiencyOptimised where it matters, never at the expense of clarity or safety.
Delivery
How an engagement runs
- 1
Specify
Written specification with invariants, roles and failure modes.
- 2
Design
Contract architecture, storage layout, upgrade and admin model.
- 3
Implement
Minimal, readable code using well-reviewed libraries.
- 4
Test adversarially
Fuzzing, invariant tests, fork tests against real protocols and static analysis.
- 5
Prepare for audit
Documentation, coverage reports and a known-issues list for independent auditors.
Security
Security built into delivery
Controls we apply by default on this kind of work — not a separate phase at the end.
Specification first
Roles, invariants and threat model documented before code.
Adversarial testing
Fuzz, invariant and fork tests plus static analysis on every change.
Key management
Admin keys in multisig or MPC with timelocks on sensitive actions.
Independent audit
Code prepared for — and we recommend — an external audit before mainnet value.
Technology
Tools we use for this
Products
Start from a platform
Shivacha Tokenization Platform
Tokenization-as-a-service for many issuers and asset classes.
Learn moreShivacha DeFi Platform
Modular DeFi: swaps, lending, vaults and staking with risk controls built in.
Learn moreShivacha Token Launch
Deploy, distribute and manage tokens with vesting, claims and treasury controls.
Learn moreRelated services
Often combined with
Web3 Development
Web3 application development — dApps, wallet onboarding, smart contracts and the off-chain backend that makes them fast and usable.
Learn moreToken Development
Token development for utility, governance, payment, NFT and permissioned tokens — contracts, vesting, distribution and launch tooling.
Learn moreSmart Contract Development
Audit-ready smart contract development in Solidity, Vyper and Rust — specified, tested adversarially and documented.
Learn moreDedicated team
Smart Contract Team
Audit-ready smart contract engineers for tokens, DeFi and tokenization.
Work & insights
Related thinking
Tokenized fund units with on-chain eligibility
How we structure a fund tokenization platform where only eligible investors can hold or receive units.
Learn morePolicy-controlled institutional digital asset operations
A reference design for institutions that need every digital asset transaction initiated, approved and signed under explicit policy.
Learn moreHow to hire blockchain developers: skills to test and mistakes to avoid
Good blockchain developers combine security instinct, systems thinking and product sense. What to look for, how to test it, and the red flags that should end an interview.
Learn moreFAQ
Frequently asked questions
Is internal security review enough?
No. It reduces risk and makes audits more effective, but independent audits remain essential for valuable deployments.
What are common smart contract vulnerabilities?
Access control errors, reentrancy, oracle manipulation, rounding errors, unsafe external calls and upgrade issues, among others.
What does audit-ready mean?
It means the contracts arrive at an independent audit with a clear specification, comprehensive tests including fuzz and invariant tests, static analysis resolved, documented trust assumptions and deployment plans — so auditors spend their time on deep issues.
Which languages do you use?
Solidity for EVM networks, with Vyper where appropriate, and Rust for Solana and other Rust-based environments.
Next step
Discuss Your Blockchain Project.
Tell us about your smart contract security engineering requirements — goals, timeline and constraints. We will reply with questions, an approach and next steps.
- Senior engineer reads every enquiry
- Reply within one business day
- NDA on request
Your details are used only to reply to this enquiry.