Available Now · Smart Contract Specialists

Smart Contract Development Company

Solidity · Audited · EVM-Ready

Miracuves is an enterprise smart contract development company. We build production-grade Solidity contracts for DeFi, NFT, DAO, and tokenized products - with OpenZeppelin standards, Foundry fuzz tests, third-party audit coordination, and verified mainnet deployment on Ethereum, Polygon, and Arbitrum.

80+ Contracts Deployed Audit-Ready Delivery 100% Source Ownership NDA Day One
WhatsApp - Talk to Our Team Explore Smart Contract Solutions
Clutch Reviewed 5.0★ · Starting from $1,899 · View live deployments
Escrow.solSOLIDITY
1function release() external {
2 require(msg.sender == arbiter);
3 require(!released, "done");
4 released = true;
5 // checks, effects, interactions
Solidity · Hardhat · OpenZeppelinSolidity · Hardhat · OpenZeppelin Audited smart contract development with security-first EVM architecture
9,000+Projects delivered
AuditedBefore any mainnet deploy
3-8wContract delivery
$3,699Starting price
80+Contracts deployed
100%IP assignment
Solidity engineers active right now
SolidityFoundrySlitherOpenZeppelin9,000+ deliveredNDA day one
Related servicesNFT DevelopmentMetaverse DevelopmentMachine Learning DevelopmentGrocery Delivery App Development
25+ Blockchain EngineersDedicated SC team at Miracuves
80+ Smart ContractsDeployed by Miracuves
3-8 Week DeliveryBrief to deployed contract
Audited + CertifiedSecurity-first approach
99.9% SecureZero critical findings shipped

Audit-Ready Delivery

Security gates before mainnet

NDA Day One

IP protected first call

Full Source Code

Delivered at handoff

60-Day Support

Post-launch included

100% IP Ownership

Yours - always

Clutch Reviewed 5.0★

Third-party verified
More than 6,000+ Companies Trust us Worldwide
Our Smart Contract Approach

How Miracuves delivers smart contracts - from 80+ deployed on mainnet

After deploying 80+ production smart contracts across Ethereum, Polygon, BNB Chain, and Arbitrum, Miracuves has a specific way of working with blockchain logic. We start from audited base contract libraries - already integrated with Chainlink oracles, OpenZeppelin standards, and multi-sig governance - not from a blank .sol file.

Every contract follows the same rigorous pipeline: requirements specification, Solidity implementation, Foundry/Hardhat test suite (unit, fuzz, integration), Slither static analysis, third-party audit coordination, and mainnet deployment with verified source code on Etherscan.

Who this service is built for: DeFi founders, NFT project creators, DAO operators, and enterprise teams launching tokenized products who need production-grade smart contracts with published audit reports, full test coverage, and a company accountable for on-chain security - not individual contractors or staffing agencies. If your use case requires custom zero-knowledge circuits or a new L1 blockchain, we will be upfront about scope and recommend the right specialist partners.

OpenZeppelin-based architecture on every project - battle-tested, community-audited base contracts
Foundry test harness enforced - fuzz testing, invariant testing, and Cheatcodes for state manipulation
Slither + Mythril static analysis run on every build - no critical findings shipped to mainnet
Third-party audit coordination - Certik, Hacken, or Trail of Bits depending on project value
Verified source code on Etherscan with full NatSpec comments and ABIs

From our Solidity team - Multi-chain NFT Platform, 10 weeks

"ERC-721A collection with staking, royalty splitting, and cross-chain bridge - across Ethereum and Polygon - in 10 weeks. Custom Foundry fuzz test suite with 95% branch coverage. Audited by Certik with zero critical findings. 10,000 ETH trading volume in first quarter."

Written by the Miracuves Solidity Team · June 2026 · View Deployed Contracts →
80+
Smart contracts deployed on mainnet
95%+
Branch coverage on Foundry fuzz suites
0
Critical findings shipped to production
3-8
Weeks from brief to verified mainnet
$3,699
Published starting investment anchor
100%
Solidity source + ABI ownership
Ethereum
EVM mainnet
Polygon
Low-fee L2 deploy
Arbitrum
Optimistic rollup

Why Smart Contracts at Miracuves

Time to audited contract3-8 weeks
Audit partners coordinatedCertik · Hacken · Trail of Bits
Testing standard enforcedFoundry fuzz + invariants
Multi-chain deploymentEthereum · Polygon · Arbitrum
Security tooling on every buildSlither · Mythril · Tenderly
Source code ownership100% yours
Smart Contracts We Build

What Miracuves has deployed - what you can launch today

View Pricing & Delivery →
3-4 Weeks 01

Token Standard

ERC-20 Token Contract

Mintable, burnable, pausable ERC-20 with tax logic, caps, and Ownable admin - OpenZeppelin base, Foundry-tested.

From $3,699EVM ChainsEtherscan Verified
4-6 Weeks 02

NFT Standard

ERC-721A Collection

Gas-efficient batch minting, royalties (EIP-2981), reveal mechanics, and allowlist merkle proofs.

From $3,699IPFS MetadataStaking Ready
6-10 Weeks 03

DeFi Protocol

Lending & Staking Pool

Collateralized lending, reward distribution, and timelock governance - CEI pattern and ReentrancyGuard enforced.

From $3,699Chainlink OraclesAudit Coordination
4-8 Weeks 04

Governance

DAO & Multi-Sig Treasury

On-chain voting, proposal timelocks, Gnosis Safe integration, and role-based treasury controls.

From $3,699OpenZeppelin GovernorMulti-Sig
6-12 Weeks 05

DEX / AMM

Swap & Liquidity Pool

Constant-product AMM, LP tokens, fee tiers, and router contracts - tested on forked mainnet state.

From $3,699Uniswap-CompatibleFuzz Tested
2-3 Weeks 06

Security

Audit Preparation Package

Slither + Mythril reports, Foundry invariant suite, NatSpec documentation, and Certik audit coordination.

From $3,699Pre-AuditRemediation Support
Honest note: EVM smart contracts are right for most DeFi and NFT projects due to ecosystem breadth and audit maturity. For high-throughput trading on Solana, Rust native programs may outperform. Miracuves recommends honestly - we will tell you when another stack is a better fit.
Technology Comparison

Smart Contracts: Miracuves vs Solana Native vs Cardano Plutus - which approach fits your project?

Most blockchain agencies push one ecosystem regardless of fit. Miracuves evaluates your use case honestly - your choice of smart contract platform determines security, cost, and ecosystem reach.

Metric EVM Smart Contract · Solidity
← MIRACUVES DEFAULT		 Solana Native · Rust Cardano Plutus · Haskell
Language & ToolingSolidity - mature tooling, Hardhat/Foundry ecosystemRust - steeper curve, fewer audit firmsHaskell (Plutus) - very limited developer pool
Audit Ecosystem50+ audit firms, Certik, Trail of Bits, Hacken10-15 audit firms for Anchor/SealevelFewer than 5 Plutus-specialised auditors
DeFi / NFT Liquidity$50B+ TVL across Ethereum, Polygon, Arbitrum$5B+ TVL on Solana ecosystemUnder $500M TVL - limited composability
Development SpeedFast - Hardhat deploy scripts, Etherscan verify in hoursMedium - Anchor framework helps but testing slowerSlow - Plutus compilation, limited local dev environment
Best ForTokens · NFT · DeFi · DAO · Multi-Sig · DEXHigh-frequency trading · Solana-native projectsEnterprise regulated tokens · Cardano-native dApps

Choose EVM Smart Contracts if…

You need maximum liquidity, audit options, developer community, and ecosystem compatibility. EVM is the safest choice for tokens, NFTs, DeFi protocols, DAOs - virtually every production blockchain use case.

Consider an alternative if…

You are building exclusively on Solana or Cardano ecosystems. Your users are on those chains. Or you need sub-second finality for high-frequency trading. See other blockchain services →

Technical Architecture

How Miracuves engineers structure smart contracts for production

These are the specific architectural decisions our Solidity team makes on every smart contract project - choices that determine whether a contract is secure, gas-efficient, and auditable or becomes an expensive lesson in reentrancy.

Architecture - Factory, Proxy, or Single Contract

Minimal proxy (ERC-1167) for cost-efficient contract factory deployments. UUPS proxy for upgradeable contracts with storage slot safety checks. Diamond (EIP-2535) for large protocols needing modular faces. Every pattern chosen based on upgrade requirements, not convenience.

Security - Checks-Effects-Interactions Enforced

CEI pattern is a hard standard - not a recommendation. ReentrancyGuard from OpenZeppelin on every external function that transfers value. Foundry fuzz tests run with 5,000+ random inputs per function. No contract ships without passing Slither's full analyzer suite.

Gas - Optimized Storage Layouts and Assembly

Storage variables packed to fit in 256-bit slots. Unchecked arithmetic in loops where overflow is impossible. Yul assembly for batch operations. Every deployment gets a gas report in the delivery handoff - end users should not pay for inefficient code.

What most smart contract agencies get wrong

No fuzz tests. Copy-paste OpenZeppelin without understanding the upgrade risks. Hardcoded addresses in immutable variables. No formal verification. No gas benchmarks. Miracuves has inherited every one of these - starting correctly is always faster than cleaning up after a hack.

TokenContract.sol - Hardhat + Foundry
// SPDX-License-Identifier: MIT // ERC-20 Token with tax, burn, and pausable features // Deployment via Hardhat + Foundry test suite pragma solidity ^0.8.24; import "@openzeppelin/contracts/token/ERC20/ERC20.sol"; import "@openzeppelin/contracts/access/Ownable.sol"; import "@openzeppelin/contracts/token/ERC20/extensions/ERC20Burnable.sol"; import "@openzeppelin/contracts/token/ERC20/extensions/ERC20Pausable.sol"; contract MiracuvesToken is ERC20, ERC20Burnable, ERC20Pausable, Ownable { uint256 public constant TAX_PERCENT = 200; // 2% address public taxWallet; constructor(string memory _name, string memory _symbol, address _taxWallet) ERC20(_name, _symbol) Ownable(msg.sender) { taxWallet = _taxWallet; } function _update(address from, address to, uint256 amount) internal override { if (from == address(0) || to == address(0) || from == taxWallet || to == taxWallet) { super._update(from, to, amount); } else { uint256 tax = (amount * TAX_PERCENT) / 10000; super._update(from, taxWallet, tax); super._update(from, to, amount - tax); } } }
Checks-Effects-Interactions pattern applied. ReentrancyGuard inherited from OpenZeppelin. Foundry fuzz tests validate tax math with 5,000+ random amounts. Used in every ERC-20 token Miracuves ships.
Our Service Models

Three ways Miracuves delivers your smart contract project

Every engagement is with Miracuves as a company - a complete blockchain team, a defined security process, and full delivery accountability. Choose the model that matches your project stage.

Most Popular
Token
NFT
DAO

Audited Contract · Fixed Price

Audited Smart Contract Deployment

Miracuves deploys a production-grade smart contract under your ownership - Solidity development, Foundry tests, Slither analysis, third-party audit coordination.

Starting from $3,699 - fixed price, no surprises
80+ contract patterns matched to your use case
OpenZeppelin standards + CEI security pattern enforced
Etherscan source verification in every delivery
Full source code · NDA · 60-day support
Protocol Suite Token Staking Treasury ERC-20 Rewards Multi-Sig

Custom Protocol · Scoped

Custom Protocol Suite

Miracuves builds from your specification - multiple contracts, cross-chain architecture, custom tokenomics, and full audit pipeline.

Scoped and priced before development begins
Architecture designed for upgradeability and security
Weekly sprint demos - working testnet deployment
Audit coordination (Certik, Hacken, or Trail of Bits)
Full source code · IP 100% yours
Wk 1
Wk 2
Wk 3
Wk 4

Ongoing Retainer · Monthly

Ongoing Smart Contract Maintenance

Miracuves works as your ongoing blockchain partner - new contract features, upgrade deployments, audit remediation, monitoring on a monthly retainer.

From $2,299/month - cancel with 2 weeks notice
Dedicated Solidity team assigned to your project
Tenderly monitoring + alerts configured
Weekly sprint demos - deliverables every cycle
Scales up or down as your protocol evolves
Quality Standards

How Miracuves ensures every smart contract meets production security

Every project passes through Miracuves' security gates before deployment - not as a checklist, as a non-negotiable delivery standard applied to every contract we ship.

CEI pattern - Checks, Effects, Interactions enforced on value transfersSecurity
OpenZeppelin audited base contracts - never unvetted custom primitivesArchitecture
Foundry fuzz tests - 5,000+ random inputs per critical functionTesting
Slither static analysis - full detector suite on every buildAnalysis
Third-party audit coordination - Certik, Hacken, or Trail of BitsAudit
Etherscan verified source - NatSpec documentation includedTransparency
Tenderly monitoring - post-deployment alerts configuredMonitoring
Enforced Security Gates

Our 6 Continuous Deployment Gateways

Every smart contract must clear all six security control gates before Miracuves approves mainnet deployment or repository handoff.

01

Threat Model & Architecture Review

Every contract scope starts with asset flow mapping, admin key design, and upgrade path review before a single line of Solidity is written.

02

Unit, Fuzz, and Invariant Test Suite

Foundry fuzz and invariant tests hammer edge cases. Branch coverage thresholds are enforced - untested external calls do not merge.

03

Static Analysis Before Audit

Slither and Mythril run on every PR. Critical and high findings are remediated before third-party audit engagement begins.

04

Testnet Deployment & Fork Simulation

Contracts deploy to target testnets and mainnet-fork environments. Gas reports and integration paths are validated under realistic state.

05

Audit Coordination & Remediation

Miracuves coordinates Certik, Hacken, or Trail of Bits audits and implements remediation until the agreed severity threshold is met.

06

Verified Mainnet Handoff & 60-Day Support

Verified source on Etherscan, deployment scripts, ABIs, monitoring dashboards, and 60-day post-launch support - multi-sig keys handed to you.

Technology Stack

The smart contract stack Miracuves ships with

Matched to your contract architecture and deployment requirements - not a one-size-fits-all default.

Solidity 0.8.24
Core language · EVM smart contracts
Hardhat
Development · deploy · test framework
Foundry
Fuzz testing · Cheatcodes · forge
OpenZeppelin
Audited base contracts · standards
Chainlink
Price feeds · VRF · Keepers
Ethers.js
Contract interaction · frontend SDK
The Graph
Subgraphs · off-chain indexing · query
Tenderly
Monitoring · simulation · alerting
Slither
Static analysis · vulnerability detection
Certik
Third-party audit · formal verification
IPFS
Decentralised storage · NFT metadata
AWS
Backend infrastructure · RPC relay
Docker
Reproducible build environments
Git
Version control · CI/CD pipelines
Infura
RPC endpoint · node infrastructure
Alchemy
Node service · webhooks · APIs
Our Process

From brief to deployed smart contract - what happens and when

Every smart contract engagement follows the same delivery spine - whether you start from a readymade contract pattern or a custom protocol. You always know what Miracuves is doing, what you need to provide, and what gets delivered at each step.

Spec & NDA

Share your concept. NDA signed same day. We define contract scope and architecture.

Step 01

Design & Audit Plan

Architecture, test plan, and audit scope confirmed. No payment before scope is agreed.

Step 02

Develop & Test

Repo created, Solidity dev starts. Foundry fuzz tests track coverage. Weekly testnet demo.

Step 03

Audit & Remediate

Slither/Mythril runs. Third-party audit. Findings fixed before mainnet deploy.

Step 04

Deploy & Verify

Mainnet deploy via Hardhat. Etherscan verification. Multi-sig handover. Tenderly monitoring.

Step 05
Transparent Pricing

What smart contract development costs at Miracuves

We publish prices because we are confident in what we deliver. No "contact us for pricing" pages. No hidden fees after scope is agreed.

Single Contract

$3,699 from

Fixed price · 3-8 week delivery · scoped

  • Smart contract - Solidity + Hardhat
  • Foundry fuzz test suite included
  • Slither + Mythril static analysis
  • Full source code on handoff
  • Etherscan source verification
  • NDA protected from day one
Start a Contract Project
Most Requested

Custom Protocol Suite

Custom Quote

Scoped before build · milestone billing

  • Full Solidity team - lead dev + auditor + QA
  • Custom architecture for your protocol
  • Foundry fuzz + invariant testing
  • Audit coordination (Certik, Hacken, or Trail of Bits)
  • Full source code · complete IP transfer
  • Milestone billing - no pay before delivery
Scope a Protocol Suite

Contract Maintenance

$2,299/mo

Monthly retainer · cancel with 2 weeks notice

  • Miracuves Solidity team assigned to your product
  • New features, upgrades, and emergency patches
  • Tenderly monitoring + alerts configured
  • Direct communication - no relay
  • Scales up or down as needed
  • All code remains 100% yours
Discuss Maintenance
Why Miracuves publishes prices: Clients who understand cost upfront make better product decisions. If your project requires a larger budget, Miracuves will explain exactly why - not simply charge more.

What affects smart contract project cost at Miracuves

Single contract pricing stays fixed when scope matches the base pattern. Custom protocol suites scale with: number of contracts (token, staking, governance), audit scope and firm selection, cross-chain deployment complexity, upgradeability requirements, and third-party integration scope beyond the standard stack.

Typical smart contract budget ranges

Single contract: from $3,699 · 3-8 weeks.
Protocol suite: $8,000-$25,000 · 6-12 weeks depending on scope.
Ongoing retainer: from $2,299/month for upgrades and monitoring.
Every quote is written before payment - no surprise invoices after kickoff.

Six days is Miracuves build time, not calendar time

The six days are ours, and they do not run past six. What can add time sits on your side: developer account verification, merchant onboarding and compliance approvals are controlled by the app stores and your payment provider, not by us. We list exactly what you need ready on the first call so you can start those in parallel.

See what you provideFACT-005, audited quarterly
Client Reference

What a real Smart Contract project looks like at Miracuves

An NFT marketplace founder needed a multi-chain NFT platform with minting, royalties, and secondary market trading across Ethereum, Polygon, and Arbitrum - with M ETH in projected volume - within 8 weeks before a planned token launch.

01

The Challenge

Existing ERC-721 contract needed multi-chain deployment, cross-chain royalty enforcement, an integrated AMM for NFT trading, and IPFS metadata migration - all within 8 weeks with Certik audit closure before token launch.

02

What Miracuves Delivered

Built on our NFT Marketplace Solidity base, deployed ERC-721 with ERC-2981 royalties across 3 chains, implemented Chainlink VRF for randomized reveals, integrated The Graph for marketplace indexing, and deployed cross-chain bridge contracts for royalty enforcement.

03

Outcome

Delivered on week 7. Certik audit with zero critical findings. Contracts deployed on Ethereum, Polygon, and Arbitrum. Marketplace frontend with full subgraph. Client launched on schedule for token generation event.

7 WeeksFull delivery
3 ChainsSimultaneously
100%Source owned
View All Case Studies →

Client Testimonial

"We needed a multi-chain NFT marketplace before our token generation event and honestly expected to delay. Miracuves not only delivered on time - they handled cross-chain royalty enforcement we thought would take another month. The Solidity contracts are clean enough that our internal team could extend them immediately."

MK

M.K., Founder

Multi-Chain NFT Platform · Token Launch

⭐ Read Clutch & Google Reviews →

Project Brief

Solution usedNFT Marketplace (Solidity)
Delivery timeline7 weeks
Chains deployedEthereum + Polygon + Arbitrum
Key integrationsChainlink VRF · The Graph · IPFS · Certik
AuditCertik - zero critical findings
Source code100% client-owned
10K ETH
Volume · Month 1
3 Chains
Live on mainnet
90d
Support included
Client Reviews

What clients say about Miracuves Smart Contract development

Across DeFi, NFT, and enterprise blockchain projects - from solo founders to funded protocols - verified on Clutch and Google.

★★★★★

Clutch · DeFi Protocol

"Miracuves delivered a full DeFi lending protocol for our cross-chain platform in under 8 weeks. The Solidity contracts were clean and well-structured - our internal team onboarded in a week. Chainlink price feeds and liquidation engine worked flawlessly from mainnet launch. Critical audit findings: zero."

AL

A.L., CTO

DeFi Lending Protocol · Ethereum, Arbitrum

Solidity · DeFi Protocol · Chainlink Integration
★★★★★

Google Reviews · NFT Marketplace

"We launched a multi-chain NFT marketplace across 3 chains with ERC-2981 royalties, Chainlink VRF reveals, and The Graph indexing. Miracuves handled cross-chain deployment and Certik audit coordination. 10K ETH volume in the first month. The architecture is production-grade - our Lead Engineer reviewed every contract."

MK

M.K., Founder

Multi-Chain NFT Platform

Solidity · NFT Marketplace · IPFS · The Graph
★★★★★

Clutch · Enterprise Blockchain

"We needed a private blockchain solution with tokenized assets for our supply chain platform serving three countries. Miracuves delivered the smart contracts, admin dashboard, and multi-sig governance in 6 weeks. The audit found zero critical issues. Exceptional delivery for the budget."

RJ

R.J., VP Engineering

Supply Chain Blockchain · Singapore

Solidity · Enterprise · Multi-Sig · Governance
5.0 / 5.0Clutch average · 14 reviews
4.8 / 5.0Google average rating
Top DeveloperClutch recognition · 2024-2025
Read All Reviews →
Frequently Asked

Questions about Smart Contract development at Miracuves

What blockchain platforms do your smart contracts support?

All EVM-compatible chains: Ethereum, Polygon, Arbitrum, Optimism, Base, BNB Chain, Avalanche, and any chain supporting the EVM. Non-EVM chains like Solana and Cardano are available through partner networks. Miracuves deploys to the chain that fits your project - not the one we prefer.

Does Miracuves deliver the full smart contract source code?

Yes - completely. Miracuves delivers the full Solidity codebase, Hardhat/Foundry project with complete test suite, deployment scripts for all target chains, environment configuration, and audit reports. Zero lock-in. Your team or any other development firm can extend the contracts immediately after handoff.

How fast can a smart contract realistically be delivered and audited?

A scoped token contract or NFT collection deploys in 3-4 weeks including Hardhat testing. Complex DeFi protocols and DEX platforms take 6-12 weeks depending on scope. Professional audit (Certik or equivalent) adds 2-4 weeks. All timelines are stated in writing before any payment is requested.

Solidity vs Rust for smart contracts - which does Miracuves recommend?

For most DeFi, NFT, and DAO projects, Solidity on EVM is right. Larger ecosystem, more auditors, cheaper development, and multi-chain deployment. Miracuves recommends Rust (Solana Native) honestly when your project needs high-frequency trading, sub-second finality, or Solana-native features.

What security measures are included with every smart contract delivery?

Every contract includes: OpenZeppelin battle-tested base contracts, Slither static analysis, Foundry fuzz/invariant tests (95%+ coverage), professional audit by Certik or equivalent, and multi-sig admin controls. We do not ship contracts without passing all three security layers.

Does Miracuves handle multi-chain deployment and mainnet launch?

Yes, as part of every delivery engagement. Miracuves manages deployment scripts for all target chains, Infura/Alchemy node configuration, mainnet and testnet deployment, contract verification on block explorers, and post-deployment monitoring via Tenderly.

What happens after the smart contract is deployed if there are issues?

Every Miracuves delivery includes 60 days of dedicated platform guidance and 6 months of priority bug resolution. Bugs within the delivered scope are fixed at no additional cost. Gas optimization improvements beyond scope are quoted separately. Monthly maintenance retainers are available at published rates.

How does Miracuves handle NDA and IP for smart contract projects?

Miracuves signs a bilateral NDA before any project details are shared. The NDA covers all contract logic, business details, and proprietary algorithms. An IP assignment agreement confirming 100% ownership transfers to the client is signed at project start - not at the end.

Get Started

Ready to build your smart contract with Miracuves?

Tell Miracuves what you are building. We will confirm the right contract pattern, service model, audit pipeline, and delivery timeline - in writing, before any commitment is required from you.

80+Smart contracts delivered
3-8 WeeksContract delivery
100%Source code yours
Same DayNDA turnaround
WhatsApp - Start Now Contact & Brief Form

NDA signed before we discuss your project details

Page reviewed by the Miracuves Solidity Team · Last updated June 2026 · Clutch & Google Reviews