# Privacy protocols on ETHBEAT (formerly L2BEAT)

> Privacy protocols on Ethereum and its layer 2s tracked by ETHBEAT, with their category and exit window.

Reviews of privacy protocols on Ethereum: privacy pools, shielded ledgers, stealth addresses, confidential tokens and anonymous access. Each is rated by what it hides from each adversary, alongside its anonymity set and trusted setup where it has them. The reviews follow the CROPS principles: censorship resistance, open source, privacy and security.

## Privacy protocols (/privacy/projects/{slug})

- [Cloaked](https://ethbeat.org/privacy/projects/cloaked): Stealth address, exit window: Infinite. A stealth-address wallet that receives every payment on a fresh address, with passkey login and an Incognito balance in Privacy Pools.
- [Fluidkey](https://ethbeat.org/privacy/projects/fluidkey): Stealth address, exit window: Infinite. A stealth-address wallet that receives every payment on a fresh Safe, with optional yield and bank transfers.
- [Privacy Pools v1](https://ethbeat.org/privacy/projects/privacy-pools): Pool, exit window: Infinite. A privacy pool system for any amount, where only centrally approved deposits can be withdrawn privately.
- [Privacy Pools v2](https://ethbeat.org/privacy/projects/privacy-pools-v2): Shielded ledger, exit window: None. A shielded ledger with private transfers, swaps and Aave yield inside the pool, where only deposits the ASP approves can be spent privately.
- [Railgun](https://ethbeat.org/privacy/projects/railgun): Shielded ledger, exit window: 7d. A shielded ledger on Ethereum for ERC-20 tokens, with private transfers and DeFi calls, run by no operator and governed by RAIL stakers.
- [STRK-20](https://ethbeat.org/privacy/projects/strk20): Shielded ledger, exit window: None. A shielded ledger on Starknet for any ERC-20 token, with private transfers and DeFi, where one auditor key can decrypt every user's history.
- [Tornado Cash](https://ethbeat.org/privacy/projects/tornado-cash): Pool, exit window: Infinite. An unconditional privacy pool of fixed amounts with immutable contracts, and an app pinned on ENS by token governance.
- [Umbra Cash](https://ethbeat.org/privacy/projects/umbra): Stealth address, exit window: Infinite. A stealth-address payment protocol for an existing wallet: the user registers once, and anyone can pay them at a fresh address.
- [Zama Confidential Tokens](https://ethbeat.org/privacy/projects/zama-confidential-tokens): Confidential amounts, exit window: None. Confidential amounts for ERC-20 tokens on Ethereum: wrappers that encrypt balances and transfer amounts with FHE, decrypted by a committee of KMS operators.
- [Monero via Cake Wallet](https://ethbeat.org/privacy/projects/monero-cake-wallet): Shielded ledger, exit window: None. A shielded ledger round trip: Cake Wallet's swap screen moves Ethereum funds into Monero and back, handing each leg to a centralized instant exchange.
- [Zcash via NEAR Intents](https://ethbeat.org/privacy/projects/zcash-near-intents): Shielded ledger, exit window: None. A shielded ledger round trip: Zodl swaps Ethereum funds into shielded ZEC and back through NEAR Intents, which custodies the Ethereum side.
- [Privacy Boost](https://ethbeat.org/privacy/projects/privacy-boost): Shielded ledger, exit window: None. A shielded ledger for ERC-20 tokens on Base, aimed at institutional users, whose privacy rests on the operator's TEE.
- [zk.money](https://ethbeat.org/privacy/projects/zkmoneyv6): Shielded ledger, exit window: Infinite. A shielded ledger on Aztec Network for DAI payments and sUSDS savings, with funds escrowed on Ethereum.
- [zkAPI](https://ethbeat.org/privacy/projects/zkapi): Anonymous access, exit window: None. Anonymous access to AI models, prepaid with ETH, that hides which deposit pays for which request.
- [Interfold CRISP](https://ethbeat.org/privacy/projects/interfold-crisp): Secret ballot, exit window: None. A secret ballot on Interfold's encrypted-computation network: voters cast FHE-encrypted ballots, and a committee of ciphernodes decrypts only the totals.
- [Payy](https://ethbeat.org/privacy/projects/payy): Shielded ledger, exit window: None. A shielded ledger L2 for USDC payments in a mobile app, with payment links and a card, that hides amounts but not which notes fund which.

## Archived privacy protocols (/privacy/projects/{slug})

- [zk.money v5](https://ethbeat.org/privacy/projects/zkmoney): Shielded ledger, exit window: Infinite. A shielded ledger on Aztec v5 for DAI payments and sUSDS savings, frozen since Aztec made v6 canonical.