Reviewed by Dr. Dmytro Nasyrov, Founder and CTO • Last updated April 24, 2026
Custom-built blockchain systems give you exact business logic, defensible security posture and full ownership, while forked protocols (Uniswap V3 fork, Compound fork) ship faster but inherit the source code attack surface. According to a 2024 Chainalysis report, 78% of DeFi exploits in 2023 targeted forked or template-based contracts where the team had not adapted security to their specific economic surface.
| Factor | Custom blockchain build | Forked / template protocol |
|---|---|---|
| Business logic fit | Exact fit; tuned to your economic model and edge cases | Generic; may force economic workarounds |
| Security posture | Threat-modeled to your attack surface; externally audited | Inherits the source code AND the source attack surface |
| Gas efficiency | Storage layout and calldata optimized for your hot paths | Generic optimization; gas costs compound |
| Upgradability | Proxy patterns + timelock + multisig designed in from day one | Often immutable or tied to source upgrade roadmap |
| Token economics | Custom mint/burn/yield curves with formal verification of invariants | Pre-set economic models; cannot be tuned |
| Multi-chain | Chain abstraction layer; new chains in 1-2 weeks | Locked to vendor-supported chains |
| Cost | $40K-$400K build cost + audit | $5K-$20K for a fork + audit (still required) |
| Best fit | DeFi protocols, RWA, custom economics, anything with material TVL | Hackathon prototypes, low-stakes experiments, learning projects |
Our team of 90+ engineers covers the full development stack, from Solidity smart contracts and React front-ends to Kubernetes infrastructure and automated QA pipelines. Since 2013, we have delivered 70+ applications for clients across FinTech, healthcare, crypto, e-commerce and 14 other industries. Across verified Clutch reviews, our clients report an average 40% improvement in transaction processing speed, a 95% on-time delivery rate and an 87% client retention rate across multi-year engagements. Below are selected projects that demonstrate our capabilities in action.
Pharos Production has partnered with PumpTap to develop a secure, high-performance crypto wallet tailored for everyday Web3 interactions. PumpTap lets users store, send and manage digital assets across multiple blockchains through a simple, intuitive interface. Built on a scalable, event-driven architecture, the wallet delivers real-time transaction updates, robust security and seamless integration with decentralized applications.
Pharos Production partnered with Ludo to build a global cross-chain reputation system that makes trust transparent and portable across the Web3 ecosystem. Using AWS, Kubernetes, Istio, Kafka, Flink, Cassandra, Pinot and Solr, the platform processes blockchain data in real time to generate soulbound NFT-based reputation scores. With web, browser and Telegram interfaces, Ludo empowers users, curators and builders to identify trustworthy projects, integrate reputation APIs and strengthen community engagement. The result is a scalable, real-time trust layer that has been driving adoption in Web3 since 2021.
I design and build reliable software solutions — from lightweight apps to high-load distributed systems and blockchain platforms.
PhD in Artificial Intelligence, MSc in Computer Science (with honors), MSc in Electronics & Precision Mechanics.
12 years in architecture of great software solutions tailored to customer needs for startups and enterprises
23 years of practical enterprise customized software production experience
Lecturer at the National Kyiv Polytechnic University
Doctor of Philosophy in Artificial Intelligence
Master’s degree in Computer Science, completed with excellence
Master’s degree in Electronics and precision mechanics engineering
Blockchain projects follow Pharos Verified Delivery with security-first additions: discovery includes threat modeling and economic attack analysis; build includes Slither/Mythril/Foundry fuzz in CI plus manual review; production readiness requires external audit coordination and a deployment runbook with rollback plan.
Pharos Verified Delivery applied to 70+ production applications since 2013
Three blockchain engagements with the chain architecture and oracle decisions that made them hold up under real traffic.
Single-chain protocol on Ethereum mainnet only. New chain integrations took 8-12 weeks each. TVL capped at $45M.
Chain abstraction layer supporting 7+ EVM chains plus Solana. New chain integration down to 1-2 weeks. TVL grew to $180M across chains in 6 months.
The abstraction layer normalizes RPC calls, fee estimation and transaction signing. New chain support is now a config file plus a chain-specific adapter, not a rewrite of the core protocol.
Chainlink price feeds alone. Oracle manipulation attack during a thin-liquidity event drained $2.1M in 4 minutes.
Layered oracle design with time-weighted average prices (TWAP), cross-oracle consensus and circuit breakers. Zero oracle-based exploits in 12 months post-redeployment. Liquidation accuracy improved across all pairs.
We replaced the single-source oracle with a 3-of-5 consensus across Chainlink, Pyth and a protocol-specific TWAP. If consensus breaks, liquidations pause and the protocol enters read-only mode until governance intervenes.
Managed RPC providers (Infura, Alchemy) cost $18,000/month and rate-limited during peak trading. Transaction confirmation latency 4-12 seconds.
Self-hosted archive nodes on bare-metal infrastructure with geo-distributed load balancers. Costs down to $4,200/month. Confirmation latency under 800ms. Zero rate-limit incidents.
We run a mix of Geth, Erigon and Reth based on query pattern — archive reads go to Erigon for storage efficiency, hot path queries go to Reth for speed, fallback is Geth for compatibility.
Client names anonymized under NDA. Full case studies at /cases/.
We decline roughly 30% of RFPs we receive. Forcing a bad fit costs both sides 3-6 months and damages outcomes. Here is how we think about scope:
Not every problem benefits from decentralization. We start every blockchain engagement by asking "would a regular database solve this?" If yes, we say so. We have declined token launch projects where the product clearly did not need blockchain - because forcing it costs the client months and us our reputation.
Founder-grade evaluation guide covering security expertise, multi-chain experience, regulatory awareness and red flags to watch for when picking a blockchain partner.
Pharos blockchain portfolio
Ranges we consistently see across 25+ smart contract engagements.
0.8-2.1 high-severity findings per 1000 LoC on first-pass audits of our contracts; 0-0.3 on post-remediation audits before mainnet deploy[6].
15-38% gas reduction typical on optimization passes via storage packing, custom errors and assembly for hot paths. Higher savings on older Solidity versions[11].
L2 rollup transaction cost runs 20-100x cheaper than Ethereum mainnet on equivalent operations. Migration to L2 pays back within 2-4 months for most dApps[9].
8-16 weeks for production smart contract system including audit, upgrade pattern and oracle integration. Cross-chain adds 4-8 weeks.
Under 8% of contracts shipped since 2022 required post-deploy critical patches; zero required emergency migration when upgrade pattern built in from day one[7].
Three shifts are reshaping blockchain engineering and smart contract delivery.
Ethereum L2 rollups (Arbitrum, Optimism, Base, zkSync) now carry 60-80% of active dApp traffic versus L1. L1-only dApps see user migration cliff by 2026[9].
ERC-4337 account abstraction enables gas sponsorship, social recovery and batched ops. Consumer dApps without AA see onboarding drop-off 2-3x higher than AA-enabled peers[8].
NIST-finalized post-quantum standards (CRYSTALS-Kyber, Dilithium) enter enterprise Ethereum pilots by 2027. Long-lived contracts holding assets require upgrade paths[12].
Every smart contract system we ship runs against the same four-dimension readiness evaluation before mainnet deploy.
Production post-mortem
A permit2-style signature check in a DEX router deployed in May 2025 validated signer but did not canonicalize signature format. An attacker crafted a malleable variant of an unused approval signature, re-ordered the "s" component and replayed the approval on a different chain. $42k in tokens redirected before we caught it via on-chain monitoring 4 hours later. Root cause: ECDSA "s" value not constrained to lower half of curve order.
Signature canonicalization (lower-half "s" enforcement) now mandatory on every signature-checking contract. ECDSA replay testing added to audit checklist. Cross-chain signature domain separation (EIP-712 chainId binding) verified in integration tests.
Independent reviews from Clutch, GoodFirms and Google - verified client feedback on our software projects
Based on 11 verified client reviews
Pharos Production delivered a secure and scalable healthcare platform that integrated seamlessly with our existing clinical systems and workflows. The integration reduced data entry time by 35% and eliminated duplicate patient records across three hospital locations. Their team demonstrated strong domain expertise, clear communication and consistent delivery throughout the project lifecycle.
Trusted by Coinbase, Consensys, Core Scientific, MicroStrategy, Gate.io and 10+ more Web3 and enterprise platforms
16+ partnersOur 16 technology partners include:
Consensys
Gate Io
Coinbase
Ludo
Core Scientific
Debut Infotech
Axoni
Alchemy
Starkware
Mara Holdings
Microstrategy
Nubank
Okx
Uniswap
Riot
Leeway Hertz
Reviewed by Dmytro Nasyrov
Founder and CTO
23+ years in custom software development. Led 70+ projects across FinTech, healthcare, Web3 and enterprise. ISO 27001 certified team.
Audited single-chain contract or module with deployment, verification and documentation.
Multi-contract protocol, indexers, dApp frontend and full security review.
Cross-chain architecture, token economics, governance, audits and ongoing support.
Prices vary based on project scope, complexity, timeline and requirements. Contact us for a personalized estimate.
Need extra hands on your software project? Our developers can jump in at any stage – from architecture to auditing – and integrate seamlessly with your team to fill any technical gaps.
Whether you’re building from scratch or scaling fast, our engineers are ready to step in. You stay in control, and we handle the code.
From first line to final audit, we handle the entire development process. We will deliver secure, production-ready software, while you can focus on your business.
| Model | Best for | Team setup | Budget range |
|---|---|---|---|
| Staff Augmentation | Existing teams needing extra engineers at any project stage | 1-2 weeks | From $5,000/month |
| Dedicated Team Popular | Long-term projects requiring full ownership and control | 2-4 weeks | From $15,000/month |
| Project Outsourcing | Full-cycle development from idea to production launch | 1-2 weeks | $10,000-$80,000+ |
Our engineers work with 37+ blockchains technologies - chosen for production reliability and performance.
Recognized on Clutch, GoodFirms and The Manifest for software engineering excellence
Our company starts and assembles an entire project specialists with the perfect blend of skills and experience to start the work.
We’ll design, build, and launch your MVP, ensuring it meets the core requirements of your software solution.
We’ll create a complete software solution that is custom-made to meet your exact specifications.
Our company will be right there with you, keeping your software solution running smoothly, fixing issues, and rolling out updates.
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A dApp MVP (smart contracts + frontend + wallet integration) typically takes 8-14 weeks: 2-3 weeks discovery + threat model, 5-8 weeks build with Slither/Mythril/Foundry in CI, 2-4 weeks external audit coordination and remediation. Production DeFi protocols with formal verification run 4-8 months.
Infrastructure projects (node operations, indexers, bridges) run 3-6 months.
Depends on your users, gas budget and tooling needs. Ethereum mainnet for the deepest liquidity and most mature tooling.
L2s (Arbitrum, Optimism, Base) for lower gas at Ethereum-equivalent security. Polygon/BSC/Avalanche for cost-sensitive retail dApps. Solana for high-frequency trading and payments. TON for Telegram-embedded mini apps. We do not chain-shop - we pick the chain that fits your workload.
Every Pharos blockchain project includes an internal pre-audit pipeline: Slither and Mythril static analysis on every pull request, Foundry invariant fuzzing on every release branch, Echidna property-based testing on financial primitives, and manual review against the OWASP smart contract top-10. External audits by Trail of Bits, Consensys Diligence or OpenZeppelin are coordinated before mainnet launch.
100% of Pharos contracts have passed external audit on first pass since 2018.
We build the smart contracts, deployment tooling and frontend for token launches. We do NOT provide securities-law advice; clients must engage qualified legal counsel on token classification (Howey test, MiCA, state-level rules) before mainnet launch.
We integrate KYC/AML providers (Sumsub, Onfido, Chainalysis) when the launch requires it, and design vesting/lockup contracts that match the legal opinion.
Yes. We operate self-hosted archive nodes (Geth, Erigon, Reth for EVM; custom for Solana), geo-distributed RPC endpoints, indexers (The Graph subgraphs, custom indexers), and monitoring.
Self-hosted infrastructure typically costs 25-40% of managed-RPC-provider pricing at scale and eliminates rate-limit incidents during peak load. Our smallest infrastructure engagement starts at $4,000/month.
Layered approach: storage layout optimization (slot packing, immutable for unchanging values), calldata compression, view-only state mirroring, batch operations where applicable, and selective L2 deployment for high-frequency paths. Real example: a lending protocol went from $45-$120 per transaction on Ethereum mainnet to $15-$40 after optimization, with daily active users growing 4x.
Yes. Solana via Anchor + Rust for high-frequency trading and payments.
Stellar for cross-border payments and tokenized assets. TON for Telegram mini-apps. Non-EVM chains require different security tooling (Anchor fuzz testing for Solana, Horizon for Stellar) but the Pharos Verified Delivery methodology is the same.
We decline when a centralized database would solve the problem faster and cheaper, when consumer UX cannot tolerate wallet friction, when token launches lack legal counsel, or when smart contracts handle regulated activities without a compliance plan. We walk away from 30%+ of incoming blockchain RFPs for these reasons - forcing a bad fit costs both sides 3-6 months.
Published record
Technical articles, comparison guides and methodology deep-dives we write from our own delivery experience.
Blockchain rewards teams that treat smart contracts as immutable infrastructure with audit, upgrade planning and oracle integrity as first-class engineering concerns[1]. L2 routing, account abstraction and post-quantum planning are the three areas that separate blockchain systems built for 2026 from systems still defending L1 mainnet-only assumptions.
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