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Comparisons

Railgun (Privacy Layer) vs. Incognito (Privacy Layer)

A technical evaluation of two leading multi-chain privacy middleware solutions using zk-SNARKs. This analysis compares their architectural approaches, supported ecosystems, trust assumptions, and integration complexity for CTOs and protocol architects.
Chainscore © 2026
introduction
THE ANALYSIS

Introduction: The Battle for On-Chain Privacy

A technical breakdown of Railgun's cross-chain privacy pools versus Incognito's independent blockchain model for CTOs evaluating privacy infrastructure.

Railgun excels at providing privacy for existing DeFi assets and applications by operating as a smart contract-based privacy layer on top of Ethereum, BSC, Polygon, and Arbitrum. Its use of zk-SNARKs via the Railgun SDK allows users to generate private balances and interact with protocols like Uniswap and Aave without exposing on-chain activity. This results in deep composability, but relies on the underlying chain's security and can incur high gas fees during network congestion.

Incognito takes a different approach by operating as a standalone, privacy-focused blockchain using a modified UTXO model and zkSNARK/zkSTAKE technology. This architecture provides native privacy for all transactions and supports cross-chain asset privacy via its pTokens bridge. The trade-off is ecosystem isolation; while it supports wrapped assets like pETH and pBTC, it cannot directly interact with the vast smart contract landscape of Ethereum or other major L1s.

The key trade-off: If your priority is maintaining DeFi composability and leveraging existing TVL (Railgun's system secures over $50M in its privacy pools), choose Railgun. If you prioritize complete transaction anonymity and a self-contained privacy environment, even at the cost of a smaller, isolated dApp ecosystem, choose Incognito.

tldr-summary
RAILGUN vs. INCOGNITO

TL;DR: Core Differentiators at a Glance

Key strengths and trade-offs for two leading privacy execution layers.

01

Railgun: Multi-Chain Privacy

Deployed on 10+ major chains including Ethereum, Arbitrum, Polygon, and BSC. This matters for protocols needing cross-chain privacy without bridging assets. Uses zk-SNARKs to shield transactions directly on the host chain's L1/L2, inheriting its security.

02

Railgun: DeFi Privacy Integration

Private smart contract interactions via its Relayer network. This matters for private swaps, lending, and yield farming. Protocols like Balancer and Uniswap can be accessed privately through the RAILGUN SDK, shielding wallet balances and trading history.

03

Incognito: Native Privacy Chain

Independent, UTXO-based Layer 1 blockchain with its own validators and consensus. This matters for maximum privacy isolation and predictable fee markets. All assets (pBTC, pETH) are privacy-wrapped representations, trading and staking occur on-chain.

04

Incognito: Built-in DEX & Staking

Native privacy DEX and staking dashboard within its wallet. This matters for users seeking an all-in-one privacy suite. Trade any pAsset for another or stake PRV for rewards without leaving the shielded environment, simplifying the user journey.

05

Railgun: Developer-Centric

Privacy-as-a-Service via SDK and API. This matters for teams embedding privacy into existing dApps. The no-KYC Relayer system handles gas, and smart contracts can be verified privately, enabling use cases like private DAO voting or salary payments.

06

Incognito: Asset Agnostic Wrapping

1:1 privacy wrapping for any asset via its pNetwork bridge. This matters for privacy across diverse asset portfolios. Support extends beyond EVM chains to Bitcoin, Monero, and Binance Chain, creating a unified privacy pool for heterogeneous holdings.

HEAD-TO-HEAD COMPARISON

Railgun vs. Incognito: Privacy Layer Comparison

Direct comparison of key technical metrics and architectural features for privacy solutions.

Metric / FeatureRailgunIncognito

Core Privacy Technology

zk-SNARKs (ZK-Rollup)

zk-SNARKs (Independent Chain)

Native Chain Support

EVM (Ethereum, BSC, Polygon)

Independent L1 with Cross-Chain Bridges

Avg. Transaction Cost (Ethereum)

$10-50

N/A (Independent Chain)

Transaction Throughput (Theoretical)

~2000 TPS (on Polygon)

~500 TPS

Smart Contract Privacy

Requires New Token

Governance Token

RAIL

PRV

pros-cons-a
PRIVACY LAYER COMPARISON

Railgun vs. Incognito: Pros and Cons

Key strengths and trade-offs for two leading on-chain privacy solutions. Choose based on your protocol's integration needs and target user base.

05

Railgun: Regulatory Compliance Tools

Built-in Proof of Innocence and optional viewing keys for auditors. This matters for institutions or protocols that must provide selective transparency for compliance (e.g., OFAC sanctions screening) while maintaining user privacy.

0x0
Sanctioned TXs
06

Incognito: User-Focused Mobile App

Primary interface is a consumer mobile wallet for private trading and staking. This matters for targeting retail users who prioritize ease of use for private asset management over developer integration. Less emphasis on programmatic, contract-level privacy.

pros-cons-b
PRIVACY LAYER COMPARISON

Railgun vs. Incognito: Pros and Cons

Key architectural strengths and trade-offs for two leading on-chain privacy solutions. Choose based on your protocol's integration needs and user experience priorities.

02

Railgun's Pro: Regulatory Compliance Focus

Built-in Proof-of-Innocence: The system allows users to generate a zero-knowledge proof that their funds are not from sanctioned addresses, enabling exchanges and institutions to integrate private transactions while adhering to regulatory requirements like OFAC compliance.

03

Railgun's Con: Relayer Dependency & UX Friction

Requires third-party relayers: Users must pay a relayer fee in the native token to submit private transactions, adding a step and cost. This matters for mass-market dApps where seamless, gasless UX is critical. Direct submission is possible but requires holding the chain's native token for gas.

04

Railgun's Con: Application-Scoped Privacy

Privacy within the Railgun system: Assets must be deposited into the RAILGUN smart contract to become private. This creates a boundary; interacting with external DeFi protocols (e.g., Uniswap) from a private state requires a dedicated, privacy-preserving adapter, limiting composable DeFi opportunities.

06

Incognito's Pro: Cross-Chain Asset Support

Native privacy for any asset: Uses pTokens bridge to bring BTC, ETH, BNB, and others into the Incognito chain as privacy-native assets (pBTC, pETH). This is critical for Bitcoin and multi-chain holders who want to privately trade and transfer assets across ecosystems from a single wallet.

07

Incognito's Con: Sidechain Security Model

Relies on its own validator set: Security is not inherited from Ethereum or other major L1s. With ~400 validators, it presents a different trust assumption. This matters for institutional users who prioritize the maximal security of Ethereum's base layer over independent chain security.

08

Incognito's Con: Ecosystem Liquidity Fragmentation

Liquidity siloed on a sidechain: While assets can be bridged, private liquidity pools exist primarily within the Incognito chain (e.g., pUniswap). This limits arbitrage opportunities and deep liquidity compared to operating directly on high-TVL chains like Ethereum Mainnet or Arbitrum.

CHOOSE YOUR PRIORITY

Decision Framework: When to Choose Which

Railgun for DeFi

Verdict: The superior choice for integrating privacy into existing DeFi protocols. Strengths:

  • Native EVM Integration: Uses zero-knowledge proofs (zk-SNARKs) to create private pools of assets (notes) that can interact directly with public smart contracts like Uniswap, Aave, and Curve via its relayer network. This enables private swaps, lending, and yield farming.
  • Ethereum-Centric Security: Inherits the security of the underlying L1/L2 (Ethereum, Arbitrum, Polygon, BSC). Its smart contracts are audited by top firms like Trail of Bits.
  • Developer Tools: Offers a well-documented SDK (@railgun-community/railgun-web3) and Wallet SDK for easy integration into dApp frontends. Weakness: Relayer fees and L1 gas costs can be high for simple transfers, though batching helps.

Incognito for DeFi

Verdict: A self-contained privacy ecosystem, better for building new, fully private DeFi applications from scratch. Strengths:

  • Independent Privacy Chain: Operates as its own blockchain with a native token (PRV) and consensus. All transactions are private by default using a modified RingCT protocol.
  • Built-In DEX & Bridge: Features a native decentralized exchange (pDEX) and cross-chain bridge for assets like BTC, ETH, and ERC-20s, all with privacy. Weakness: Less composability with the broader DeFi ecosystem. Assets must be bridged to the Incognito chain, creating a separate liquidity pool from mainnet DeFi.
RAILGUN VS INCOGNITO

Technical Deep Dive: Architecture and Trust Models

A technical comparison of two leading privacy solutions, examining their core architectural approaches, trust assumptions, and the trade-offs between security, scalability, and usability.

Railgun is a smart contract-based privacy layer, while Incognito is a standalone privacy-focused blockchain. Railgun uses zk-SNARKs within smart contracts (like Railgun.sol) deployed on host chains (Ethereum, Polygon, etc.) to shield assets. Incognito operates as an independent Proof-of-Stake blockchain with its own validators, using sharding and zero-knowledge proofs to process private transactions off-chain before settling on connected chains via bridges. This makes Railgun a modular add-on, whereas Incognito is a full-stack privacy ecosystem.

verdict
THE ANALYSIS

Final Verdict and Recommendation

A data-driven conclusion on selecting the right privacy layer for your protocol's specific needs.

Railgun excels at providing programmable privacy for existing DeFi and smart contract ecosystems. By using zk-SNARKs to create private balances and transactions as a layer on top of Ethereum, Polygon, and BSC, it allows users to interact with protocols like Uniswap, Aave, and Curve without exposing their activity. Its key strength is composability, with over $30M in historical shielded TVL and integration into major wallet providers. This makes it ideal for protocols that want to add privacy as a feature without migrating their entire user base.

Incognito takes a fundamentally different approach by operating as a standalone, privacy-focused Layer 1 blockchain with its own consensus and native token (PRV). This architecture provides stronger default privacy for all on-chain actions and supports cross-chain asset privacy via its pDEX, shielding assets from Bitcoin, Ethereum, and others. The trade-off is a more isolated ecosystem; while it supports wrapped assets, deep integration with external DeFi smart contracts is more complex than Railgun's direct composability.

The key architectural trade-off is between integration depth and privacy scope. Railgun's layer-based model offers superior DeFi composability but requires trust in the underlying chain's security. Incognito's chain-based model offers full-stack privacy and cross-chain support but creates a more siloed environment. For CTOs, the decision hinges on whether privacy is a feature for an existing app or the core product itself.

Consider Railgun if your priority is adding privacy features to an existing Ethereum Virtual Machine (EVM) application, leveraging established tooling like Hardhat and Foundry, and maintaining seamless access to the deep liquidity of mainnet DeFi. Its use of relayers for gas abstraction also simplifies the user experience for non-crypto-native audiences.

Choose Incognito when you are building a privacy-first product from the ground up, require default privacy for all transactions and smart contracts, or need to natively privatize assets from multiple non-EVM chains. Its independent chain provides more control over fee markets and throughput, though at the cost of ecosystem size compared to Ethereum.

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Railgun vs Incognito: Privacy Layer Comparison 2024 | ChainScore Comparisons