We architect and deploy production-grade Solidity and Rust smart contracts for tokens, DeFi protocols, and NFT ecosystems. Our focus is on security-first development, leveraging battle-tested libraries like OpenZeppelin and rigorous internal audits to mitigate risk before deployment.
LABS
Services
Bitcoin L2 Privacy Solution with ZK-Proofs
Implement confidential transaction layers on Bitcoin L2s using ZK-SNARKs or ZK-STARKs. We deliver financial privacy for balances and transaction amounts, enabling compliant, scalable private finance on Bitcoin.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, audited smart contracts built to your exact specifications.
- Custom Tokenomics: Design and implement
ERC-20,ERC-721, andERC-1155standards with custom minting, vesting, and governance logic. - DeFi & dApp Logic: Build automated market makers (AMMs), staking pools, lending protocols, and complex multi-signature wallets.
- Gas Optimization: We write efficient code to reduce transaction costs by up to 40%, a critical factor for user adoption.
- Full Audit Trail: Every contract includes comprehensive documentation and is prepared for third-party security audits.
We deliver contracts that are not just functional, but are secure, maintainable, and ready to handle real-world volume and value.
key-features-cards
ENTERPRISE-GRADE SECURITY
Core Privacy Implementation Features
Our Bitcoin L2 privacy solution is built on verifiable, production-ready cryptography. We deliver the technical primitives that enable private transactions, confidential assets, and shielded identities for your application.
benefits
DELIVERABLES & GUARANTEES
Business Outcomes for Your Project
Our Bitcoin L2 privacy solution delivers measurable results, from enhanced security to accelerated time-to-market. Here’s what you can expect when you partner with Chainscore.
01
Regulatory-Compliant Privacy
Deploy ZK-proofs that provide transaction privacy while maintaining full compliance with AML/KYC frameworks. We integrate with Chainalysis and Elliptic for on-chain monitoring.
100%
Audit Coverage
Zero-Knowledge
Proof Standard
02
Sub-Second Finality on Bitcoin
Achieve near-instant transaction confirmation with our optimized ZK-rollup architecture, bypassing Bitcoin's base layer latency without compromising security.
< 1 sec
Avg. Finality
10,000+
TPS Capacity
03
Reduced Transaction Costs
Batch thousands of private transactions into a single Bitcoin settlement, slashing gas fees by over 95% compared to on-chain confidential transfers.
> 95%
Cost Reduction
$0.01
Avg. Fee/Tx
04
Accelerated Time-to-Market
Leverage our pre-audited, modular privacy circuits and SDKs to launch your compliant private payment or DeFi application in weeks, not months.
2-4 weeks
Deployment
Pre-Audited
Core Circuits
05
Enterprise-Grade Security & SLAs
Built with formal verification and continuous audit cycles. Backed by a 99.9% uptime SLA and 24/7 monitoring with sub-5-minute incident response.
99.9%
Uptime SLA
< 5 min
Incident Response
06
Seamless Wallet & dApp Integration
Provide a frictionless user experience with our SDKs for Unisat, Xverse, and Leather wallets. Supports private swaps, NFTs, and asset transfers.
3+
Wallet SDKs
< 1 day
Integration Time
ZK-Powered Bitcoin L2 Privacy
Implementation Tiers & Deliverables
Choose the right engagement model for your Bitcoin L2 privacy solution, from foundational audits to full-scale managed infrastructure.
| Feature / Deliverable | Audit & Integration | Full Implementation | Managed Infrastructure |
|---|---|---|---|
Zero-Knowledge Circuit Design Review | |||
Custom ZK-SNARK/STARK Circuit Development | |||
Bitcoin L2 Bridge Smart Contract Audit | |||
Privacy-Preserving Transaction Module | Basic | Custom | Custom + Optimized |
On-Chain Verifier Contract Deployment | Assisted | Full | Full + Monitoring |
Integration Support (SDK, APIs) | Documentation | Hands-on | Dedicated Engineer |
Performance & Gas Optimization | Advisory | Implementation | Continuous Tuning |
Security Response SLA | 48h | 2h | |
Infrastructure Uptime SLA | 99.95% | ||
Project Timeline | 2-3 weeks | 6-10 weeks | 8-12 weeks+ |
Starting Engagement | $25K | $120K | Custom Quote |
how-we-deliver
METHODOLOGY
Our Development & Integration Process
A structured, security-first approach to building and deploying your Bitcoin L2 privacy solution. We deliver production-ready systems with clear milestones and guaranteed outcomes.
01
Architecture & Protocol Design
We design your custom ZK-rollup or sidechain architecture on Bitcoin, selecting the optimal ZK-proof system (STARKs/SNARKs) and data availability layer for your privacy and scalability requirements.
2-4 weeks
Design Phase
3+ Options
Architecture Reviewed
02
Core ZK-Circuit Development
Our cryptographers implement the core zero-knowledge circuits in Rust/C++ for proving privacy-preserving transactions. Includes custom constraint systems and proof aggregation for efficiency.
Rust/C++
Primary Stack
Plonk/Halo2
Proof Systems
03
Smart Contract & Bridge Integration
Deployment of on-chain verifier contracts and secure, non-custodial bridges between Bitcoin L1 and your L2. Built with formal verification and multi-signature security models.
99.9% SLA
Bridge Uptime
< 5 min
Withdrawal Finality
04
Sequencer & Prover Infrastructure
We deploy and manage the high-availability sequencer nodes and distributed prover network, ensuring low-latency transaction processing and consistent proof generation.
> 10k TPS
Testnet Capacity
Global
Node Distribution
05
Security Audit & Penetration Testing
Comprehensive audit of the entire stack—ZK circuits, smart contracts, and node software—by our internal team and leading external firms like Trail of Bits before mainnet launch.
2 Rounds
Mandatory Audits
Critical
Issues Resolved
06
Mainnet Launch & Ongoing Support
Managed mainnet deployment with phased rollouts and monitoring. We provide 24/7 devops support, performance optimization, and upgrade management for your live network.
< 2 weeks
Deployment Sprint
24/7
SRE Support
Cost and Capability Analysis
Build vs. Buy: Implementing Bitcoin L2 Privacy
A detailed comparison of the total cost of ownership, timeline, and risk profile between developing a custom ZK-privacy layer in-house versus leveraging Chainscore's production-ready Bitcoin L2 Privacy Solution.
| Factor | Build In-House | Buy with Chainscore |
|---|---|---|
Time to Production | 9-18 months | 6-12 weeks |
Core Team Required | 3-5 Senior Engineers | Your Integration Team |
Upfront Development Cost | $300K - $750K+ | $75K - $200K |
ZK-Circuit Expertise | Must hire/build | Included (ZK-SNARKs/STARKs) |
Security Audit Burden | Your responsibility | Pre-audited solution + optional re-audit |
Bitcoin L1 Integration | Custom implementation | Pre-built adapters for Taproot, Lightning |
Ongoing Maintenance & Upgrades | Full team overhead | Managed service with SLA |
Time-to-First-Transaction |
| < 2 weeks (PoC) |
Total Cost (Year 1) | $450K - $1M+ | $125K - $300K |
Implementation Risk | High (protocol, security, delays) | Low (proven architecture, SLAs) |
Bitcoin L2 Privacy
Frequently Asked Questions
Get clear answers on our ZK-powered Bitcoin L2 privacy solution, from technical details to deployment and support.
We implement zk-SNARKs (Zero-Knowledge Succinct Non-Interactive Arguments of Knowledge) to create private transactions. Our solution bundles user actions off-chain, generates a cryptographic proof of their validity, and submits only this proof to the Bitcoin base layer. This ensures transaction amounts, sender, and receiver details remain confidential, while leveraging Bitcoin's unparalleled security for final settlement. We use industry-standard circuits and libraries like Circom and Halo2, with all code undergoing formal verification.
ENQUIRY
Get In Touch
today.
Our experts will offer a free quote and a 30min call to discuss your project.
NDA Protected
Confidentiality24h Response
Time to ValueDirectly to Engineering Team
No Sales Fluff10+
Protocols Shipped
$20M+
TVL Overall