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Rails: Next-Gen Crypto Trading Platform Powered by Ink and ZK Technology

Rails: Next-Gen Crypto Trading Platform Powered by Ink and ZK Technology

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by Elena Ryabokon

9 months ago


Rails is an advanced platform for perpetual futures trading, combining ultra-fast order execution with transparent asset custody. By leveraging a centralized matching engine and on-chain custody via Ink L2, Rails addresses the well-known trade-off between performance and security in crypto trading.

Contents

1. Concept and Team of Rails

Rails was founded in 2023 by entrepreneurs Satrag and Mega Bambra in partnership with fintech veterans Rick Marini and Brent Vegliacich, creators of BlockEQ (acquired by Coinsquare). By March 2024, the startup completed a $6.2M seed round backed by Slow Ventures, CMCC Global, Round13, and Quantstamp.

The core idea behind Rails is to eliminate the traditional trade-off between the speed of centralized exchanges and the asset control provided by decentralized solutions. It offers a hybrid model where a high-speed order engine is combined with on-chain custody via Kraken’s Ink blockchain.

The team is focused on professional traders and institutional clients, prioritizing operational transparency, liquidity access, and secure asset management without reliance on third parties.

2. Architecture and Technology

Rails implements a hybrid architecture that merges centralized order processing with decentralized asset custody. The matching engine executes trades in sub-millisecond latency, while user funds are managed via smart contracts on Ink L2—Kraken’s own blockchain. To ensure transparency, trades are aggregated into Merkle trees and published on-chain, allowing users to verify transactions without exposing private data. Zero-knowledge proofs add an extra layer of confidentiality.

Key technological features:

  • Centralized matching engine with sub-millisecond latency
  • Smart contracts for on-chain custody on Ink L2
  • Merkle trees for transaction verification without data disclosure
  • Zero-knowledge proofs for confidential balance verification
  • External audits and non-custodial fund management
  • Rails Explorer – tool for public transaction audit

This technology stack allows Rails to merge the speed and liquidity of CEXs with the transparency and security of decentralized infrastructure, meeting the demands of both institutional and retail users.

3. Key Features

Rails is designed to meet the needs of professional traders and institutional market participants who require high performance, asset control, and trading transparency. The platform introduces capabilities previously unavailable in the Web3 environment, merging the CEX experience with on-chain benefits.

Main features include:

  • Hybrid architecture: centralized execution with decentralized custody
  • Ultra-fast execution: sub-1ms latency matching engine
  • Verifiable transactions: Merkle proofs accessible via Rails Explorer
  • Paper trading module: "Rails Play" for testing strategies with STABLE rewards
  • ZK privacy: verify balances and actions without exposing personal data
  • API integration: robust tools for market makers and automated strategies

These features make Rails suitable for active retail traders and large institutions alike, delivering the performance, safety, and Web3 compliance they require.

4. Funding and Investors

In March 2024, Rails secured $6.2 million in a seed round supported by top venture funds including Slow Ventures, CMCC Global, Round13, and Quantstamp. This funding was used to develop the technical infrastructure and launch the platform's initial version.

In June 2025, a $14 million token round followed, with Kraken as the strategic lead investor. Kraken not only provided capital but also contributed by integrating its Ink L2 blockchain into the Rails custody system.

Total investment reached $20 million, reflecting strong confidence from key industry players. This backing reinforces the platform's financial stability and supports its roadmap toward expansion and broader feature development.

5. Advantages and Challenges of Rails

Rails is a next-generation trading platform aiming to reconcile the benefits of CEXs and DEXs. It delivers high performance and liquidity while allowing users to retain control over their assets via on-chain custody. This makes it attractive to professional traders, market makers, and institutions prioritizing both speed and security.

However, the project faces several challenges, including scaling Ink L2 infrastructure, ensuring the robustness of smart contracts, and maintaining regulatory compliance across jurisdictions—such as VASP registration in the Cayman Islands.

                                               Comparative Table: Advantages vs. Challenges

Advantages Challenges
Instant order execution (sub-1ms) Scaling Ink L2 with growing user base
On-chain custody via smart contracts Ongoing audits and contract security
Zero-knowledge privacy proofs Legal compliance across jurisdictions
Transaction verification via Merkle proofs Supporting a wide range of digital assets
Backed by Kraken and leading VCs Combining CEX and DEX UX into a unified flow

Rails demonstrates a mature approach to infrastructure and strategic growth, but future success will depend on maintaining technical resilience, regulatory compliance, and innovation. Solving these challenges will position the platform strongly within the Web3 trading ecosystem.

6. Roadmap and Partners

Rails launched its mainnet in June 2025 following successful beta testing through "Rails Play." Key partners include Kraken (Ink L2 infrastructure), Slow Ventures, Quantstamp (audits), and Flowdesk (liquidity and API services).

Future goals include expanding to new asset classes (such as forex and commodities), scaling Ink L2, developing institutional risk management tools, and gaining regulatory licenses in new jurisdictions. Rails is building the foundation for scalable, secure Web3 trading infrastructure.

7. Conclusion

 Rails offers a viable hybrid exchange model: combining ultra-fast execution with on-chain asset control that satisfies both retail and institutional demands. Its strong backing, expert team, and innovative tech stack enable it to grow confidently in a competitive market.

The project’s long-term success will rely on its ability to scale infrastructure, secure smart contracts, comply with regulation, and access new market segments. If these conditions are met, Rails could emerge as a leading benchmark in the new era of Web3 exchanges.

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