Smart Contract Audits
Rigorous multi-layer automated and manual audits to eliminate exploits before any mainnet deployment.
Blockchain & Web3
Contracts you can deploy safely
Smart contracts, DeFi protocols and dApps built for chains where a bug is permanent, public and expensive — so everything passes four audit gates before it sees real funds.
4 gates
Audit pipeline
6 chains
Deployed on
Zero
Critical findings
On-chain
Verified source
Every stage verifiable · nothing ships unaudited
What we build
Protocols, marketplaces and bridges
Four kinds of Web3 engagement, from a single contract set through to a full protocol with its own frontend.
DeFi Protocol Design
Custom AMMs, lending pools, and yield optimization protocols engineered for capital efficiency.
NFT & Marketplace
Full-stack NFT minting engines and peer-to-peer marketplaces with gasless transaction support.
Cross-Chain Bridges
Secure asset bridging architecture connecting Ethereum, Polygon, BNB Chain, and Solana ecosystems.
SolidityEthereumPolygonRust / SolanaIPFSHardhat
Security
Nothing reaches mainnet unaudited
Four gates, in order, every time. A contract that fails one does not proceed to the next — including when the deadline is uncomfortable.
Gate 01
Static analysis
Slither
Automated detection of known vulnerability classes across the whole contract surface on every commit.
Gate 02
Fuzzing
Echidna
Property-based testing throwing millions of random inputs at stated invariants to find what tests missed.
Gate 03
Fork simulation
Tenderly
Executing the full deployment against a fork of live mainnet state, including adversarial transaction ordering.
Gate 04
External audit
Certified firm
Independent manual review by a third-party audit house, with all findings resolved before deployment.
Web3 is the one place where you cannot patch on Tuesday. A deployed contract holding funds is immutable by design — which is why the audit pipeline is non-negotiable here in a way it simply is not in ordinary software.
Chain selection
Where your protocol should live
The chain is an architectural decision with economic consequences, not a preference. Here is how we actually choose.
Ethereum
EVM · Solidity
Deepest liquidity and tooling. The default when security and composability matter more than fees.
Polygon
EVM · Solidity
Ethereum semantics at a fraction of the gas cost — the usual choice for consumer-facing volume.
Arbitrum
L2 rollup
Ethereum security with rollup economics, well suited to DeFi protocols that need cheap frequent interaction.
Solana
Rust · Anchor
High throughput and low latency for order-book style products where transaction volume is the constraint.
BNB Chain
EVM · Solidity
Large retail user base in Asian markets, with EVM compatibility keeping the contract work portable.
Substrate
Polkadot parachain
A custom chain of your own, for throughput or governance requirements no general-purpose chain can meet.
How we work
What Web3 pitches skip over
Most products do not need a blockchain. If there is no trustless requirement — no adversarial parties, no need for an asset to exist independently of your company — a database is faster, cheaper and easier to fix. We say this on scoping calls, and it costs us work. It also means when we say a project genuinely needs a chain, that assessment is worth something.
Immutability cuts both ways. The property that makes contracts trustworthy also makes mistakes permanent. Upgrade proxies, pause mechanisms and timelocks all trade some decentralisation for the ability to respond to an incident — that trade should be a deliberate decision made early, not discovered during one.
Gas is a UX problem, not just a cost line. Users abandon at the wallet confirmation when the fee looks disproportionate to what they are doing. Optimising storage layout and batching proofs at the architecture stage does more for conversion than anything the frontend can do afterwards.
Keep personal data off the ledger. Anything written on-chain is permanent and public, which directly conflicts with erasure rights under GDPR and similar regimes. Personal data belongs off-chain with only a hash committed — getting this wrong is not fixable later.
Build standard
Defaults on every protocol
Audit-First
Every contract is stress-tested on Tenderly and formally verified before mainnet deployment.
Gas Optimized
Assembly-level optimizations reducing end-user transaction costs by up to 60%.
Multi-Chain Ready
Deploy once, bridge across Ethereum, Polygon, Arbitrum, and Solana natively.
Decentralized Storage
IPFS and Arweave integrations for immutable, censorship-resistant data layers.
Process
Architecture to mainnet
01
Protocol Architecture
Designing tokenomics, governance models, and the core economic logic of your decentralized system.
02
Smart Contract Dev
Writing audited, gas-optimized Solidity or Rust contracts using industry best practices.
03
dApp Frontend Build
Connecting contracts to beautiful React interfaces via ethers.js or wagmi.
04
Mainnet Launch
Deployment with full monitoring, community tooling, and ongoing protocol maintenance.
In their words
Results from a live protocol
Oacer's smart contract team delivered our DeFi protocol six weeks ahead of schedule, with zero critical vulnerabilities in the audit. Their blockchain expertise is genuinely world-class.
Rohan VermaCo-Founder, ChainSpark Protocol
Engagement
How protocol work is priced
Indicative ranges. External audit fees are quoted separately since they are set by the audit house, not by us.
Contract build
Smart contracts + audit
From ₹7,00,000 ≈ $8.4k / £6.6k
A defined contract set written, tested, gas-optimised and taken through the full internal audit pipeline.
Contract architecture & development
Full test + invariant coverage
Internal audit gates 01–03
Testnet deployment & handover
Full protocol
Contracts + dApp
₹18L – ₹60L+ ≈ $22k – $72k+
End-to-end delivery: tokenomics, contracts, external audit, frontend dApp, wallet flows and mainnet launch.
Tokenomics & governance modelling
External third-party audit managed
React dApp + wallet integration
Subgraph indexing & monitoring
Protocol ops
Post-launch maintenance
Monthly Scoped per protocol
Live protocols need owners — upgrade management, subgraph upkeep and an incident path that exists before it is needed.
Upgrade proxy management
Subgraph & indexer maintenance
Governance support
Emergency incident response
Where we work
Six markets, engineering only
We provide engineering. Regulatory positioning stays with your own counsel in every market.
India
Hyderabad-based engineering. We build the technology; compliance positioning stays with your legal counsel.
United States
Engineering support for US teams, with contract design mindful of the disclosures your counsel will require.
United Kingdom
GDPR-aware off-chain data design — personal data stays off the ledger, where it cannot be deleted.
UAE
A significant share of our Web3 clients build from the Emirates; timezone overlap is close to complete.
Australia
Near-full working-day overlap with IST, straightforward for protocols needing frequent live review.
New Zealand
Async delivery with written sprint updates and testnet deployments you can interact with directly.
FAQ
Blockchain development questions
We actively build and deploy on Ethereum, Polygon, Solana, Binance Smart Chain, Arbitrum, and can architect custom Substrate (Polkadot) parachains depending on throughput requirements.
Next step
Tell us what needs to be trustless
Send the mechanism you have in mind. We'll tell you whether it genuinely needs a chain, which one, and what the audit path looks like.
Typical reply within one business day · we will say so if a database would serve you better