šØ XRP Ledger Introduces Confidential MPT Standard (XLS-0096) Adding Transaction Privacy via EC-ElGamal Encryption and ZKPs for Banks
XRPL developer committee working on Confidential MPT standard (XLS-0096) bringing transaction privacy to issued tokens through EC-ElGamal encryption and zero-knowledge proofs hiding individual balances and transfer amounts while maintaining public supply auditability. Standard builds on XLS-33 MPT protocol, addresses conflict between blockchain's radical transparency and bank privacy requirementsāfollows Permissioned Domains and Permissioned DEX enabled last month.
š Key Points:
š¹ XLS-0096 Confidential MPT Specification: XRPL contributor Shawn Xie authored standard last week titled "Confidential Transfers for Multi-Purpose Tokens"; builds on XLS-33 existing Multi-Purpose Token framework; adds encrypted balances and confidential transfers through EC-ElGamal encryption and ZKPs while maintaining accounting rules and supply controls
š¹ Four Core Properties: (1) Confidentialityāencrypts individual balances and transfer amounts from validators and observers; (2) Public auditabilityāOutstandingAmount ⤠MaxAmount rule stays publicly enforceable without decrypting balances; (3) Selective disclosureāsupports trust-minimized on-chain auditor or issuer-controlled view keys; (4) Compatibilityāpublic and confidential balances coexist for same token
š¹ Issuer Control Maintained: Issuer controls carry over to confidential balances including freezing and clawback to issuer's reserve; maintains XLS-33 issuance rules; OutstandingAmount remains total of all non-issuer balances; overall token supply stays visible and auditable while individual balances hidden
š¹ Banking Privacy Solution: Addresses conflict between blockchain's radical transparency (anyone sees all transactions/balances) and bank privacy requirements; XLS-33 supports flexible tokenization but every balance/transfer stays fully public holding back institutional adoption; standard applies only to issued tokens not XRP itself
š¹ Compliance Tool Pattern: Follows Permissioned Domains and Permissioned DEX enabled last month; continues pattern of building tools meeting compliance and privacy demands of traditional finance; standard remains proposition under active GitHub discussion, not yet in XRPL validator poll as amendment
š Why It Matters:
š¹ Institutional Adoption Barrier Removed: Radical transparency fundamental blockchain feature prevents bank adoptionāno financial institution wants competitors seeing balances, transaction flows, counterparty relationships; Confidential MPTs solve this while preserving blockchain settlement benefits; differentiates XRPL from transparent chains like Ethereum/Bitcoin
š¹ Public Auditability vs Privacy Balance: Maintains OutstandingAmount ⤠MaxAmount rule enforcement without decryptionāsolves regulatory requirement for total supply transparency while protecting individual privacy; superior to fully private chains (Monero, Zcash) which regulators oppose; positions XRPL for regulated institutional use cases
š¹ Selective Disclosure Compliance: View key models enable regulatory complianceābanks can disclose specific transactions to auditors/regulators without making entire ledger public; trust-minimized on-chain auditor approach vs simpler issuer-controlled model gives flexibility for different jurisdictions; addresses FATF Travel Rule requirements
š¹ XRPL Institutional Stack Complete: Permissioned Domains (credential-based access control) + Permissioned DEX (whitelisted trading) + Confidential MPTs (encrypted balances) = comprehensive compliance toolkit for banks; no other major blockchain offers this combination natively at protocol level; positions XRPL as institutional DeFi infrastructure
šÆ Bottom Line:
XRPL's Confidential MPT standard (XLS-0096) adds EC-ElGamal encryption and ZKPs hiding individual balances while maintaining public supply auditabilityāsolving bank privacy requirements and completing institutional compliance stack alongside Permissioned Domains and DEX.
Source: https://thecryptobasic.com/2026/03/13/the-xrp-ledger-has-begun-building-the-privacy-layer-banks-have-always-demanded/