Aletheia

What is Aletheia?
Aletheia is a cross-chain privacy protocol designed specifically for Web3 payroll and treasury management. It allows employers to distribute salaries entirely anonymously across different blockchains, ensuring that employee identities, wallet addresses, and payment amounts remain completely invisible to the public.

What problem does it solve?
In Web3, companies face a massive privacy hurdle: paying employees on public blockchains exposes sensitive salary data to the world. If an employee claims a paycheck, anyone can trace their wallet back to learning exactly who their employer is and how much they earn. Aletheia solves this by enabling strict regulatory compliance (like KYC) combined with guaranteed on-chain anonymity, bringing Web2-level financial privacy to public blockchains without sacrificing transparency for auditors.

How does it work?
Aletheia achieves this in three distinct phases by combining Zero-Knowledge (ZK) Proofs, Trusted Execution Environments (TEEs), and Chainlink infrastructure:

1. The Deposit & Privacy Gate (Compliance Oracle): An employer deposits funds on a Source Chain (e.g. Base). A Chainlink CRE Oracle intercepts this deposit and securely checks the employee's off-chain KYC status using Confidential HTTP. Only an encrypted "approval status" is posted on-chain, never the underlying identity data.
2. The "Secret Proof" Generation (Proof Oracle): A secure backend (acting as a TEE) generates a massive 50MB zero-knowledge proof proving the employee is owed money. To avoid paying thousands in gas fees, a Chainlink Proof Oracle compresses this 50MB file into a tiny 32-byte hash and relays it to the Target Chain.
3. The Private Withdrawal (Verify & Rebalance Oracles): When an employee withdraws on the Target Chain (e.g. Optimism), a Verify Oracle confirms their off-chain signature against the 32-byte hash. The protocol releases the funds directly to the employee's new wallet anonymously. Meanwhile, a time-based Rebalance Oracle uses Chainlink CCIP to constantly move liquidity between chains to ensure the destination vaults are always funded.

How is it built?
Aletheia is built on a highly modular architecture that merges on-chain smart contracts with off-chain zero-knowledge computation and decentralized oracle services:
Smart Contracts (Foundry & Solidity) Our protocol runs on a series of specialized smart contracts deployed across multiple EVM-compatible chains (Ethereum, Optimism, Base, and Arbitrum testnets). These manage deposits, maintain vault liquidity, and process final salary withdrawals without linking the two distinct actions.
Zero-Knowledge Cryptography (Noir) We utilize the Noir language framework (nargo, @noir-lang/noir_js) backed by Barretenberg to handle the core privacy logic. The heavily intensive cryptographic proofs are generated off-chain in our backend systems to mimic future Trusted Execution Environments (TEEs), effectively generating 50MB proof sizes that keep identities anonymous while proving mathematically that a user is entitled to their payment.
Chainlink Custom Runtime Environment (CRE) Oracles Aletheia relies completely on Chainlink CRE to securely pass our massive ZK proofs between isolated environments efficiently:

• Confidential HTTP: Our Compliance Oracle directly pings KYC/Background Check services directly from the blockchain inside a protected tunnel so strict identity data never leaks onto public ledgers.
• Proof & Verify Oracles: To handle the immense ZK proofs generated, we compress 50MB proof files into a 32-byte hash fingerprint off-chain. Chainlink Oracles securely transmit this tiny footprint to the Target Chain's registry, effectively reducing $1000+ verification gas fees down to less than a dollar.
• Cross-Chain Routing: We utilize a Rebalance Oracle on a cron-trigger with Chainlink CCIP to constantly calculate cross-chain deficits and autonomously initiate stablecoin liquidity transfers ensuring withdrawal vaults never run dry.
  Frontend Experience (Vite & React) The user interface is built with Vite, React, and TailwindCSS (Shadcn components), utilizing Wagmi/Viem and RainbowKit to provide a seamless interaction layer for both the employer managing payroll and the employee privately redeeming their checks.