Blockchain and Cryptography

Blockchain Infrastructure Built to Verify.

Smart contracts, Web3 applications, and AI powered chain intelligence, audited for security and built for real transactions.

Discuss Your Blockchain Project See engagement models

1,200+Global Experts

3,000+Projects delivered

15+Years of excellence

23+Countries served

Key Challenges

Where Blockchain Projects Break Down

Security RiskOne Bug Away From ExploitSmart contract vulnerabilities are permanent once deployed, and a single exploit can drain funds instantly.

Regulatory UncertaintyCompliance Rules Keep ShiftingToken and custody rules vary by jurisdiction and shift faster than legal teams can track.

Scalability LimitsNetworks That Cannot Handle VolumePublic chains slow down and grow expensive exactly when transaction volume starts to increase.

Integration GapLegacy Systems Do Not Speak ChainConnecting enterprise systems to a blockchain layer takes specialized engineering most teams do not have.

Our Approach

Built for Production, Not Pitch Decks.

Devsinc engineers blockchain systems the same way we engineer any production software, with security review, load testing, and a real deployment plan, not a proof of concept that never leaves the whitepaper. Smart contracts are audited before they touch real funds, and infrastructure is built to handle actual transaction volume from day one.

We work across public and permissioned chains, choosing the right architecture for the actual use case rather than defaulting to whatever is trending. Web3 front ends, wallet connected applications, and AI models that monitor chain activity for fraud and anomalies are engineered with the same security discipline as the contracts underneath them.

What we build

Smart Contract AuditsWeb3 Product EngineeringDeFi Protocol EngineeringAI Powered Chain IntelligenceWallet IntegrationLayer 2 ScalingCustody ArchitectureCross Chain Bridges

Capabilities

What we build on chain, and how it holds up.

Smart ContractsTokenizationDeFi ProtocolsWeb3 ProductsWallet and CustodyChain Intelligence

Audit findingspre-mainnet

Critical2 found · fixed

High5 found · fixed

Medium9 found · 7 of 9

Informational14 found · logged

Gas saved

-31%

Coverage

98%

Smart Contract DevelopmentSolidity and Rust smart contracts built with formal testing, gas optimization, and independent security review at every stage.

◆Formal verification for high value contracts

◆Gas optimization across every function call

◆AI assisted static analysis before human review

◆Full audit trail before mainnet deployment

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Token supplyERC-20 · capped

Asset backed46%

Treasury28%

Liquidity16%

Reserve10%

Transfer rules enforced✓KYC gate on mint✓Jurisdiction blocklist✓Lockup until vest

Tokenization and Digital AssetsFungible and non fungible token systems designed for real ownership use cases, with compliance and custody built in from the start.

◆ERC standard and custom token contracts

◆Asset backed and loyalty token models

◆Built in compliance and transfer restrictions

◆Secondary market and marketplace integration support

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Liquidity poolstress tested

Collateral ratio

168%

min 140%

Utilisation

72%

target 60-80%

Borrower risk score

1 address flagged · loan paused

DeFi Protocol EngineeringLending, staking, and liquidity protocols engineered with economic modeling and security review before real value touches the contract.

◆Economic modeling before mainnet launch

◆Liquidity pool and staking mechanism design

◆AI powered risk scoring on borrower activity

◆Continuous monitoring after protocol goes live

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Mint flow

✓

Wallet connectedMetaMask · 0x7f…c4

✓

Chain switchedPolygon mainnet

✓

Signature approvedEIP-712 typed data

✓

Mint confirmedbatch of 40

Gas per mint

0.9k

Royalty

enforced

Web3 Product EngineeringDecentralized applications, wallet connected front ends, and NFT or real world asset marketplaces built for real users.

◆Wallet connect and multi chain login flows

◆NFT and real world asset marketplace builds

◆Gas efficient minting for high demand drops

◆Royalty enforcement across secondary marketplaces

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Withdrawal approval3 of 5 quorum

Asigned

Bsigned

Csigned

Didle

Eidle

Quorum mettx broadcast

Key managementHardware signer for cold keysSocial recovery after 7 daysPer-address spend limits

Wallet and Custody SolutionsCustodial and non custodial wallet infrastructure with key management, multi signature approval, and recovery flows.

◆Multi signature and hardware wallet support

◆Key recovery flows for lost access

◆Institutional grade custody architecture

◆Seamless wallet connect integration

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Anomaly detectionlive

cluster · 2 wallets18.4k addresses watched

Wash trades

Alert latency

1.2s

AI Powered Chain IntelligenceMachine learning models trained on on chain activity to flag fraud, wash trading, and anomalous transactions in real time.

◆Real time anomaly detection on transaction flow

◆Wallet clustering to flag coordinated fraud rings

◆Predictive risk scoring for new addresses

◆Alerting integrated into your existing operations tools

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Engagement Models

Choose how we work with you

Let's Talk

Fixed ScopeSmart Contract AuditAn independent security review of existing smart contracts before mainnet launch, delivered as a scored report with concrete remediation steps.Best for pre launch security review

OngoingEmbedded Blockchain TeamA dedicated blockchain engineering team embedded in your roadmap for continuous protocol development and security review.Best for continuous protocol development

Project BasedFull Protocol BuildEnd to end delivery of a blockchain protocol or tokenization platform, from architecture through mainnet launch.Best for a defined platform launch

Process

From architecture to audited mainnet

01Discovery and ArchitectureDefining the right chain, token model, and security requirements before writing code.

02Build and TestSmart contracts and infrastructure built with continuous testing against real transaction scenarios.

03Security AuditIndependent review of every contract and system before it ever touches mainnet.

04Launch and MonitorMainnet deployment followed by ongoing monitoring, incident response, and protocol upgrades.

Industries we serve

Where verifiable ownership matters most

Explore More

Contactless payment being tapped on a card reader at a retail counter

Financial ServicesTokenized assets and settlement systems built for regulated environments.

Interior of a multi-level shopping mall with an escalator and shoppers

Real EstateFractional ownership and property tokenization platforms for real assets.

Telecommunications tower in foggy weather, with more towers visible in the distance

GamingIn game asset ownership and marketplace infrastructure built on chain.

Supply ChainProvenance tracking and verification systems for goods moving across borders.

Tools & Technologies

The stack we build and audit on

EthereumSolidityPolygonSolanaHyperledgerRustIPFSEthereumSolidityPolygonSolanaHyperledgerRustIPFS

The GraphChainlinkHardhatFoundryMetaMask SDKPythonThe GraphChainlinkHardhatFoundryMetaMask SDKPython

EthereumSolidityPolygonSolanaHyperledgerRustIPFSThe GraphChainlinkHardhatFoundryMetaMask SDKPython

FAQs

Frequently Asked Questions

Still have a question about audits, chains, or who owns what gets deployed?

Let's talk

What blockchain platforms do you build on?+

We work across Ethereum, Polygon, Solana, and Hyperledger, choosing the platform based on your actual use case, cost requirements, and need for public or permissioned infrastructure.

Do you audit smart contracts that were not built by Devsinc?+

Yes, independent smart contract audits are available as a standalone engagement, delivered as a scored report with clear remediation steps.

How do you handle regulatory uncertainty around tokens?+

We design token structures with compliance and custody requirements built in from the start, and flag jurisdiction specific legal questions for your own counsel to confirm.

Can you build both public and permissioned blockchain systems?+

Yes, we choose the right architecture for your actual use case, whether that means a fully public chain, a permissioned network, or a hybrid of both.

What happens if a security vulnerability is found after launch?+

Every engagement includes an incident response plan, and our team can move quickly to patch, upgrade, or pause a contract depending on severity.

Do you build Web3 applications, or just the smart contracts underneath them?+

Both. We build the wallet connected front end and the user experience alongside the contracts.

Can AI actually help monitor blockchain activity?+

Yes, we train models on chain activity to flag fraud, wash trading, and anomalous transactions in real time.

Who owns the code and infrastructure you build?+

You do. All smart contracts, infrastructure, and documentation delivered during the engagement belong fully to your organization.

Get Started

Build Blockchain That Ships.

Bring your idea, your chain, or your existing contracts to review.

✓Bring your protocol idea or existing smart contracts

✓One conversation to scope chain, security, and timeline

✓A concrete recommendation, not just a sales pitch

Blockchain and CryptographyHave a protocol that needs to ship securely, or contracts that need an independent audit?Let's Talk