7 Best Aztec Network Alternatives - 2026

While Aztec Network raised $180M in funding and pioneered programmable privacy on Ethereum, enterprises seeking confidential settlement across multiple blockchains need solutions that extend beyond a single chain. For treasury teams, PSPs, OTC desks, and payment companies operating on Ethereum, Solana, Tron, and Polygon, these seven alternatives address specific requirements around multi-chain confidentiality, institutional compliance, and existing wallet compatibility. This comprehensive analysis examines each solution's strengths and ideal use cases to help enterprise decision-makers select the right confidential settlement technology for their on-chain operations.

Key Takeaways

  • Multi-chain confidentiality determines operational flexibility: Hinkal operates across Ethereum, Solana, Tron, Polygon, and other major chains without requiring network migration, while Aztec Network operates as an Ethereum-only solution. Choose based on which chains your treasury and counterparties use.
  • Recipient setup requirements impact adoption speed: Hinkal enables confidential settlements where recipients connect their existing wallet to access funds with zero integration required, removing friction that slows enterprise payout workflows.
  • Compliance architecture separates institutional-grade solutions: Hinkal offers selective disclosure via Viewing Keys and KYT enforcement through Chainalysis, addressing regulatory requirements that purely technical privacy solutions may not meet.
  • Three data points define confidential settlement: Enterprise solutions must shield sender identity, recipient identity, and transaction amount. Most alternatives protect only one dimension, leaving commercial relationships exposed.

Understanding the Need for Confidentiality in Enterprise Blockchain Operations

Public blockchain transparency creates operational risks for enterprises conducting on-chain settlements. When treasury teams, payment service providers, OTC desks, and payroll platforms execute transactions on public chains, every settlement becomes permanently visible to competitors, counterparties, and market observers.

This transparency exposes three critical dimensions of commercial activity: 

  • Sender identity reveals which entity controls treasury operations. 
  • Recipient identity maps business relationships and customer bases. 
  • Transaction amounts disclose volumes, pricing structures, and operational scale.

A PSP settling merchant payouts on-chain inadvertently broadcasts merchant economics to competitors. An OTC desk executing large trades exposes wallet patterns that sophisticated observers can analyze for market advantage. Payroll platforms reveal compensation structures and workforce economics through publicly traceable transactions.

Traditional financial settlement systems maintain confidentiality as a standard operating principle, bank transfers don't broadcast sender, recipient, and amount to the public. Enterprises migrating operations on-chain require equivalent confidentiality without sacrificing blockchain's verifiable settlement and programmable execution advantages. The solutions below address this requirement through different technical approaches, chain coverage, and compliance architectures designed for institutional adoption.

1. Hinkal: Multi-Chain Confidential Settlement for Enterprises

Hinkal stands as the only confidential settlement solution enabling enterprises to shield sender identity, recipient identity, and transaction amount across major blockchains while maintaining verifiable settlement on public chains.

Key Features:

  • Multi-chain deployment across Ethereum, Solana, Tron, Polygon, Base, Arbitrum, and Optimism
  • Zero recipient-side setup. Counterparties connect existing wallets to access confidential balances.
  • Selective disclosure via Viewing Keys enabling transaction history revelation to auditors, regulators, or compliance teams
  • KYT enforcement through Chainalysis blocking flagged wallets at the deposit point
  • Non-custodial architecture where enterprises retain full control via private keys
  • Confidential Payments SDK for integrating privacy into existing settlement workflows

Enterprise Use Cases:

  • PSPs settling merchant funds: Route settlements to merchants' confidential balances without exposing volumes or counterparty relationships
  • OTC desks: Execute large bilateral settlements without broadcasting trade volumes or wallet patterns
  • Payroll platforms: Distribute crypto compensation without revealing sender treasury or individual amounts
  • iGaming operators: Process payouts without exposing operator economics or customer information

Hinkal has processed over $400M in volume with 6 independent security audits.

The Hinkal Pay product transforms any transfer into a confidential settlement, while Hinkal Wallet provides continuous confidentiality for all account activity. For enterprises requiring institutional-grade compliance, Hinkal's Integrity Check uses zero-knowledge proofs via Reclaim Protocol. The platform receives only cryptographic proof of verification status, never personal identity documents.

2. Railgun

Railgun provides privacy middleware enabling confidential interaction with existing DeFi protocols on Ethereum, Arbitrum, and Polygon.

Core Capabilities:

  • Confidential interaction with Aave, Uniswap, and Curve without shielding/unshielding friction
  • Private Proof of Innocence (PPOI) enabling compliance verification without compromising privacy
  • Stablecoin anonymity pools leveraging Ethereum mainnet liquidity
  • ZK-proof technology for transaction confidentiality

Railgun serves DeFi power users seeking confidential access to established Ethereum protocols. The PPOI mechanism enables cryptographic proof that funds don't originate from flagged addresses, addressing compliance requirements for centralized off-ramp scenarios.

The solution focuses on DeFi protocol interaction rather than enterprise settlement workflows, operating on three chains.

3. Secret Network

Secret Network operates as a blockchain with encrypted contracts, enabling confidential computation for decentralized applications.

Technical Approach:

  • Trusted Execution Environment (TEE) technology for encrypted smart contract execution
  • Native SCRT token for gas, staking, and governance
  • Privacy-native dApp ecosystem built on confidential computation
  • Decentralized validator network securing the chain

Developers building privacy-native applications from scratch benefit from Secret Network's encrypted smart contract capabilities. The platform requires building on its specific chain rather than adding confidentiality to existing multi-chain operations.

Enterprise users already operating treasury functions across Ethereum, Solana, and Polygon would need to migrate operations to Secret Network, while Hinkal enables confidentiality on chains enterprises already use.

4. Oasis Network

Oasis Network provides a privacy-focused blockchain combining confidential computing with scalable blockchain infrastructure.

Platform Features:

  • TEE-based confidential compute for smart contract privacy
  • Native ROSE token for network operations
  • Sapphire paratime enabling EVM-compatible confidential smart contracts
  • Data tokenization capabilities for privacy-preserving data economy applications

Oasis Network targets developers requiring confidential computing capabilities within a dedicated ecosystem. The platform's data tokenization focus suits projects building privacy-preserving data marketplaces or confidential AI applications.

For enterprises needing confidential settlement across existing EVM chains and Solana, Hinkal provides multi-chain coverage without requiring migration to a new network.

5. Zama

Zama raised $130M at $1B valuation to build Fully Homomorphic Encryption (FHE) technology enabling computation on encrypted data.

Technology Focus:

  • FHE libraries enabling encrypted computation without decryption
  • TFHE-rs open-source Rust library for homomorphic operations
  • fhEVM enabling confidential smart contracts on EVM chains
  • Developer tools for building FHE-powered applications

Zama serves developers building applications requiring computation on encrypted data, a technically distinct approach from confidential settlement. The platform provides cryptographic tooling rather than enterprise-ready payment confidentiality solutions.

Organizations needing immediate confidential settlement capabilities across production environments will find Hinkal's operational deployment more suitable than Zama's infrastructure-level FHE tooling.

6. Namada

Namada raised $60M to build multi-chain privacy with asset-agnostic shielding via IBC connectivity.

Key Capabilities:

  • Asset-agnostic shielded pool accepting any IBC-compatible token
  • Multi-asset shielded transfers preserving confidentiality across token types
  • Cubic proof-of-stake consensus mechanism
  • IBC integration enabling Cosmos ecosystem connectivity

Namada targets users within the Cosmos/IBC ecosystem seeking confidential transfers across IBC-connected chains. The platform's strength lies in asset-agnostic shielding within its specific interoperability framework.

Enterprises operating primarily on Ethereum, Solana, Tron, and Polygon (chains outside the IBC ecosystem) benefit from Hinkal's direct deployment on these networks without bridging requirements.

7. Penumbra

Penumbra focuses on private DeFi within the Cosmos ecosystem, with its UM token trading on Osmosis.

Platform Features:

  • Shielded transactions for Cosmos ecosystem assets
  • Private DEX enabling confidential swaps
  • Delegated proof-of-stake with shielded staking
  • IBC integration for cross-chain Cosmos connectivity

Penumbra serves users seeking private DeFi capabilities specifically within the Cosmos ecosystem. The platform enables confidential swaps and staking for Cosmos-based assets.

For enterprises requiring confidential settlement on Ethereum, Solana, Tron, and major EVM chains, Hinkal provides direct chain support without requiring asset bridging to Cosmos.

Why Enterprises Seek Aztec Network Alternatives

Aztec Network pioneered programmable privacy on Ethereum with its Noir language enabling complex confidential smart contract logic.

However, enterprise requirements often extend beyond single-chain privacy:

Multi-Chain Treasury Operations: Enterprises managing treasury across Ethereum, Solana, Tron, and Polygon need confidentiality solutions operating on all these chains simultaneously. Aztec's Ethereum-only architecture requires bridge exposure for assets on other networks.

Existing Wallet Compatibility: Enterprise counterparties (merchants, employees, partners) use various wallets across multiple chains. Hinkal's zero-setup approach lets recipients access confidential balances through their existing wallets, while dedicated privacy chains require counterparty migration.

Settlement vs. Application Privacy: Aztec excels at building new privacy-first applications using Noir. Enterprises seeking confidential settlement for existing payment and payout workflows benefit from solutions that add confidentiality to current operations rather than requiring application rebuilds.

Compliance Integration: Hinkal's Chainalysis integration and Viewing Keys address institutional compliance requirements at the protocol level, enabling selective disclosure to auditors without compromising operational confidentiality.

Why Hinkal is The Best Alternative for Aztec Network

Aztec Network pioneered programmable privacy on Ethereum, but enterprises need confidential settlement that works across their entire blockchain infrastructure without requiring migration or counterparty onboarding friction.

Hinkal provides the only solution that shields sender identity, recipient identity, and transaction amount across Ethereum, Solana, Tron, Polygon, and major EVM chains while maintaining institutional compliance standards. Recipients connect their existing wallets to access confidential balances with zero setup, removing adoption barriers that slow enterprise payout workflows.

The platform processes over $400M in volume with compliance-ready architecture including selective disclosure via Viewing Keys and KYT enforcement through Chainalysis. Integration partners include MPCVault, Utila, Psalion, Request, omypayments, and Aquanow.

For treasury teams, PSPs, OTC desks, and payment companies requiring confidential settlement across multiple chains with institutional compliance, Hinkal delivers operational confidentiality without requiring network migration, new wallet creation, or counterparty setup friction.

Schedule a demo to see how Hinkal enables confidential payouts and treasury operations across your existing blockchain infrastructure.

Frequently Asked Questions

Why can't enterprises simply use public blockchains for all settlements?

Public blockchain transparency exposes settlement volumes, counterparty relationships, and operational patterns to competitors, market observers, and anyone with a block explorer. When a PSP settles merchant funds on-chain, competitors can map merchant economics. When an OTC desk executes large trades, counterparties can analyze wallet patterns. Hinkal shields sender identity, recipient identity, and transaction amount while settlement remains publicly verifiable, addressing the transparency problem without sacrificing blockchain auditability.

What makes Hinkal different from other blockchain privacy solutions?

Hinkal operates across major blockchains including Ethereum, Solana, Tron, and Polygon without requiring network migration. Recipients connect their existing wallets to access confidential balances with zero setup required. The platform includes compliance controls like selective disclosure via Viewing Keys and KYT enforcement through Chainalysis, differentiating it from solutions focused purely on technical privacy without institutional compliance architecture.

Does using Hinkal require creating new wallets or changing custody arrangements?

No. Hinkal works with existing wallets and custody setups. Enterprises maintain their current custody infrastructure while Hinkal adds a confidentiality component to settlement flows. The sender routes funds through Hinkal's smart contract into a confidential balance linked to the recipient's existing wallet address. The recipient connects their wallet with no migration, no new wallet installation, no custody changes.

How does Hinkal ensure compliance with regulations like AML/CFT?

Hinkal integrates KYT enforcement via Chainalysis at the deposit point, blocking flagged wallets from entering confidential pools. Selective disclosure through Viewing Keys enables enterprises to reveal full or partial transaction history to auditors, regulators, or internal compliance teams on demand. The Integrity Check for settlements over $1,000 uses zero-knowledge proofs. Hinkal receives cryptographic proof of verification status without ever seeing personal identity documents.

Can Hinkal handle enterprise-scale settlement volumes?

Hinkal has processed over $400M in volume with 6 independent security audits. Integration partners include MPCVault, Utila, Psalion, Request, omypayments, and Aquanow. The Confidential Payments SDK enables enterprises to integrate confidential settlement directly into existing payment products without changing custody arrangements or payment rails.