Services

Layer 1 & Layer 2 Development

Chains Built to Last Past Testnet.

Quecko engineers production-grade Layer 1 and Layer 2 networks — consensus mechanisms, validator infrastructure, and audited bridge architecture — for teams who need infrastructure that survives real transaction volume, not a testnet demo.

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400+clients across 20+ countries

$300M+in funds generated

250+products built

150+engineers worldwide

400+clients across 20+ countries

$300M+in funds generated

250+products built

150+engineers worldwide

400+clients across 20+ countries

$300M+in funds generated

250+products built

150+engineers worldwide

400+clients across 20+ countries

$300M+in funds generated

250+products built

150+engineers worldwide

What We Build

Core Capabilities

Custom Layer 1 Chain Development

Full-stack sovereign blockchain development — consensus mechanism design across PoS, PoA, and BFT variants, node architecture, genesis configuration, and validator tooling. We build chains purpose-fit for your specific transaction pattern and governance model, not a fork with a logo swap.

Layer 2 Rollup Engineering

Design and deployment of optimistic and zk-rollup solutions built on top of Ethereum, Polygon, or custom L1s, with careful attention to L1 settlement costs, sequencer decentralization roadmap, and withdrawal security.

Cross-Chain Bridge Development

Secure bridge infrastructure connecting your chain to major ecosystems, architected with relay mechanisms, validator sets, and liquidity routing secured by multi-signature and fraud-proof systems.

Consensus Mechanism Design

Custom consensus protocol engineering from Proof-of-Stake and Delegated PoS to novel hybrid mechanisms, with full modeling of validator incentives, slashing conditions, and finality guarantees.

Validator & Node Infrastructure

Full validator node deployment, monitoring dashboards, and staking infrastructure, with high-availability clusters, automated failover, and performance alerting built to keep validators online and slashing-free.

Blockchain SDK & Developer Tooling

Custom SDKs, CLIs, and developer documentation so your ecosystem can onboard builders from day one — a chain without developer tooling is a chain nobody builds on.

The Multi-Chain Reality

There Is No Longer a Single Dominant Chain Architecture

Ethereum L2s, Solana's monolithic throughput model, Cosmos app-chains, and Polkadot parachains are all competing approaches, each with genuinely different trade-offs in finality, decentralization, and cost. Teams launching new infrastructure today aren't choosing "blockchain or not" — they're choosing which architecture matches their actual transaction pattern, validator economics, and target user base.

Where Most Chains Die

Before Mainnet

Launching a Layer 1 or Layer 2 demands expertise across consensus algorithms, cryptographic primitives, validator economics, and network security — disciplines nearly impossible to hire for in-house at the depth required.

The Old Way

Fork an existing client and hope the defaults fit your use case

Discover consensus trade-offs only after testnet performance problems appear

Bolt on a bridge late, audited under deadline pressure

Launch with a handful of validators and call it "progressive decentralization"

The Quecko Way

Consensus mechanism selected and modeled against your actual requirements before any code is written

Validator economics and slashing conditions simulated under adversarial scenarios pre-launch

Bridge architecture designed and audited as a first-class component, not a bolt-on

Validator onboarding plan built into the mainnet launch sequence from day one

Delivery Process

From Whitepaper to Genesis Block

Protocol Architecture & Consensus Design

We assess your throughput, finality, and decentralization requirements to select or design the right consensus mechanism, then define the chain's economic model, governance parameters, and validator incentive structure.

Core Development & Testnet

Our engineers build the node software, transaction processing layer, and networking stack, then deploy a private testnet for stress testing, validator onboarding rehearsal, and performance benchmarking.

Security Audit & Bridge Engineering

Rigorous code audits, formal verification of consensus logic, and adversarial penetration testing. If cross-chain connectivity is needed, we build and independently audit bridge contracts.

Public Testnet & Ecosystem Priming

A public testnet phase with external validator participation, bug bounty coverage, and developer tooling release — so builders and validators are onboarded before mainnet.

Mainnet Launch & Ecosystem Support

Coordinated mainnet deployment with validator onboarding, block explorer setup, wallet integrations, and developer documentation, followed by post-launch monitoring and scaling support.

Production Standards

Engineering Benchmarks We Build To

<2s

Target finality for BFT-style consensus deployments

99.9%

Uptime SLA on validator infrastructure we operate

100%

Audit coverage before any mainnet deployment

4–12mo

Delivery range based on consensus complexity

Ecosystem & Chain Coverage

Ethereum

Solidity/Vyper engineering, EVM-compatible dApps, gas optimization, ERC-20/721/1155 standards.

Solana

Rust-based program engineering, high-frequency DeFi protocols, Anchor framework audit-readiness.

BNB Smart Chain

High-performance BEP-20 tokens, BSC-optimized contracts, DeFi ecosystem hooks.

Polkadot

Substrate framework engineering, custom parachain development, cross-chain messaging (XCM).

Cardano

Plutus & Haskell engineering, UTXO architecture security, sustainable tokenomics design.

SUI

Sui Move contract deployment, parallelized execution, object-based asset modeling.

Technology Stack

Languages

RustGoSolidityC++

Frameworks

SubstrateCosmos SDKOP StackPolygon CDKArbitrum Orbit

Consensus

Tendermint BFTPBFTProof-of-StakeDelegated PoSCustom Hybrid

ZK Tooling

CircomHalo2PLONKzkEVM

Infrastructure

DockerKubernetesTerraformGrafanaPrometheus

Bridges

LayerZeroWormholeCustom Relay Architectures

Engagement & Delivery Models

Choose the model that aligns with your engineering capacity and launch goals.

Dedicated Protocol Pod

Ongoing Engagement

A full-time cross-functional squad — protocol engineers, smart contract developers, DevOps, and QA — embedded directly in your workflow for the duration of the build and beyond.

Project-Based Delivery

4–12 Months

Fixed-scope, milestone-driven chain development from architecture through mainnet, with clearly defined deliverables and sign-off points at each phase.

Fractional Protocol Support

Part-time, Ongoing

Senior protocol engineers available part-time for architecture review, audit preparation, or specifically for testnet-to-mainnet transition support.

Our Work

Our Projects

Our Clients

Testimonials

Brilliant work, fast and flexible

The work Quecko has done has been absolutely brilliant. Extremely responsive, reliable, and fast, we can throw last minute requests in and they'll get them done by the end of the day.

Tom Blears

Chief Executive Officer

Outstanding Crypto Game Development

The client highly praises the developers for exceeding expectations while building a cryptocurrency slot game. They delivered exceptional post-launch support and bug fixes, leaving the client eager for future collaborations.

CEO - Corsair Web3 Game

FAQ

Frequently Asked Questions

A production-ready L1 with basic validator infrastructure typically takes 4–6 months from architecture workshop to mainnet. More complex chains involving custom consensus mechanisms, cross-chain bridges, and a full ecosystem tooling suite can extend to 6–12 months. The single biggest timeline variable is usually bridge complexity.

Yes. We build optimistic rollups, zk-rollups, and app-specific L2s using established frameworks like OP Stack, Arbitrum Orbit, and Polygon CDK when your requirements fit, or fully custom rollup implementations when the use case genuinely demands it.

Every component undergoes formal verification of critical logic, automated static analysis, manual code review by engineers who didn't write the original code, and a third-party security audit before any mainnet deployment.

Yes. Post-launch, we offer ongoing validator monitoring and alerting, performance optimization as real transaction patterns emerge, upgrade engineering for protocol improvements, and ecosystem development support.

This is exactly why we build the governance and upgrade pathway into the protocol from day one. A well-designed chain includes a clear on-chain or coordinated off-chain upgrade process.

In almost all cases yes, since the native token typically secures the network through staking and pays for transaction fees — but the tokenomics design needs the same rigor as the consensus mechanism itself.

Whether you're building a sovereign Layer 1 or scaling with a custom Layer 2, Quecko's protocol engineers are ready.

From whitepaper to mainnet — without the guesswork.

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