Institutional-Grade Proof of Authority Infrastructure
Ethstable is a permissioned, Ethereum-compatible blockchain designed to support secure and high-throughput settlement. Purpose built for enterprises and financial institutions.
Instant
Deterministic Finality
Near-Zero
Predictable Gas Cost
Bespoke
Asset Backing
Arrangements
Known
Vetted Validator Set
THE POA ADVANTAGE
Accountability & Efficiency for Institutions
Ethstable uses a Proof-of-Authority consensus mechanism in which a consortium of vetted validators with known identities produce blocks, delivering predictable block times and high throughput.
| Feature | Proof of Work (PoW) | Proof of Stake (PoS) | Ethstable (PoA) |
|---|---|---|---|
| Validator Incentive | Mining Rewards | Economic Staking | Reputational Standing & Compliance |
| Energy Profile | Extremely High | Low Consumption | Negligible / Sustainable |
| Finality Type | Probabilistic | Deterministic (Epoch) | Instant / Deterministic (QBFT) |
| Governance | Informal | Token-weighted | Explicit Consortium-led |
SMART CONTRACT LAYER
Native Ethereum Compatibility
Ethstable provides an EVM-compatible environment, allowing institutions to leverage familiar smart contract development patterns, token standards, and existing tooling.
EVM & Tooling Alignment
Port existing Ethereum smart contracts using Solidity, common SDKs, and standard wallet libraries. Network gas is used purely as a permissioned metering unit with no exposure to public markets.
Token Standards Support
Full compliance with the ERC-20 standard for fungible tokens, alongside support for ERC-721, ERC-1155, and ERC-4626 for advanced tokenized vaults and financial constructs.
Programmable Logic
Embed institutional compliance directly into code. Smart contracts enforce whitelisting, jurisdiction filters based on KYC attributes, and conditional Delivery-versus-Payment (DvP) settlement.
ASSET MODELING
Bespoke Backing & Tokenized Assets
Ethstable hosts digital representations of multiple asset types, including currency tokens, commodity tokens, and financial instruments. The backing structure is defined in a bespoke manner by the asset sponsor – and may be off-chain.
Fiat-Backed Tokens
Tokens redeemable 1:1 against fiat currency held in segregated bank accounts or trust arrangements.
Custodied Commodities
Tokens backed by title to commodities such as gold or oil, held in regulated warehouses or vaults.
Securities-Backed Tokens
Tokens representing beneficial interest in securities held by a qualified custodian, subject to regulatory permissions.
On-Chain Representation of Off-Chain State
Off-Chain Custody & Legal Framework
Term sheets, custody agreements, trust deeds
Ethstable ERC-20 Smart Contract
INSTUTUTIONAL INFRASTRUCTURE
Uncompromised Privacy & Hardware Security
Enterprises demand absolute confidentiality and impenetrable operational security. Ethstable integrates ZK-SNARKs for state privacy and mandates hardware security for consensus.
Zero-Knowledge Privacy
Ethstable supports zk-SNARKs and shielded transactions, allowing participants to prove transaction validity without revealing counterparty identities or transfer amounts to the public ledger.
- Orion and Tessera Subgroup Isolation
- Selective Disclosure via Viewing Keys
- Off-chain Proof Generation
Mandatory HSM Integration
To protect network consensus, all validator nodes are required to secure their signing keys within physical Hardware Security Modules (HSMs) certified to military-grade standards.
- FIPS 140-2 Level 3 Certification
- Physical Tamper “Zeroization” Sensors
- Inter-node mTLS via Istio Service Mesh
DEPLOYMENT
Institutional Use Cases
Ethstable’s architecture supports a wide range of institutional and enterprise use cases, leveraging the combination of PoA consensus, Ethereum-compatible programmability, and bespoke backing arrangements.
Cross-Border Payments
Tokenized fiat currencies enable near-instant settlement between participating banks, reducing correspondent banking friction.
Treasury Management
Corporates can hold multi-currency balances on-chain, with programmable sweeps, escrow, and liquidity management logic.
Tokenized Deposits
Banks can issue tokenized deposit claims or money market funds, with on-chain subscription, redemption, and reporting.
Commodity Financing
Commodity-backed tokens with embedded transfer restrictions can streamline collateral management and settlement in trade finance.
Built for Global Trade & Settlement
From Real-Time Gross Settlement (T+0) in B2B payments to Condition-Based smart contracts for Supply Chain Finance, Ethstable removes intermediary friction.