Privacy Tools Overview - The industry highlights the availability of live privacy tools such as ZKP2P, Fluidkey, Railgun, and Veil for private on-chain fund management, yield earning, and wallet transfers [1] - The report emphasizes that private on-chain activity is becoming increasingly important as institutional surveillance grows [8] On-ramping Solutions - ZKP2P facilitates peer-to-peer fiat-to-USDC exchange using zero-knowledge proofs, bypassing KYC requirements [2] - Fluidkey integrates with Bridge to offer fiat on-ramps, converting funds to USDC and depositing them into unlinkable stealth addresses after a light KYC process [2] Asset Management - Fluidkey generates new stealth addresses for each incoming transaction, breaking sender-receiver links while aggregating balances in one interface [3] - Railgun shields assets on Ethereum, Arbitrum, Polygon, and BNB Chain using ZKPs, hiding sender, receiver, and amounts [4] Yield Earning - Privacy Pools supports sUSDS yield vaults, using an ASP system to ensure compliance and allow withdrawals with ZKPs proving funds come from a clean set [5] - Railgun integrates with yield protocols like Beefy Finance, enabling users to earn on shielded assets while maintaining privacy [5] Private Transfers - Veil is suitable for one-time moves, allowing users to deposit ETH or USDC into zkSNARK pools on Base and withdraw to a fresh wallet [6] - Privacy Pools by 0xbow allows private transfers of ETH, USDC, USDS, and sUSDS between addresses, ensuring fund legitimacy via ASP [7] - Railgun is the only tool allowing indefinite direct transfers between shielded addresses, requiring both parties to use Railgun [7] Privacy Levels - For maximal privacy, the industry suggests using ZKP2P to onramp and then shielding funds with Railgun [7] - For practical privacy, the industry suggests using Fluidkey and Privacy Pools for fiat rails, stealth addresses, and yield tools [8] - For occasional privacy, the industry suggests using Veil or Privacy Pools selectively when breaking wallet links is needed [8]