# Moonsong Labs x XRPL Modernization

Collected: 2026-06-09

## Executive Summary

Ripple appears to be evaluating Moonsong Labs against an XRPL modernization agenda: programmable ledger features, confidential and permissioned assets, protocol safety, developer tooling, interoperability, and AI-enabled workflows.

The strongest positioning is not that MSL has prior `rippled` ownership. The stronger and more accurate positioning is that MSL is a pre-formed production blockchain engineering team with directly adjacent experience across deterministic runtimes, EVM-compatible chains, developer tooling, upgrade verification, privacy/permissioning, financial primitives, and cross-chain infrastructure.

## Most Relevant XRPL Workstreams

| XRPL workstream | MSL fit | Proof points |
|---|---|---|
| Smart Escrows, Smart Contracts, WASM | Strong adjacent runtime/tooling fit | Moonbeam, Foundry-zksync, anvil-zksync, ZKstack tooling, Madara/SNOS, DataHaven |
| WASM conformance and protocol safety | Very strong | ZKsync Upgrade Verification, GovAuth, Moonbeam release/runtime work, Tanssi, DataHaven |
| Confidential MPTs and privacy | Strong specialist fit | Prividium, ZKsync SSO/OIDC Recovery, Guardian Recovery, off-chain privacy work |
| MPTs and institutional tokenization | Strong adjacent financial-primitives fit | Perena Metavaults, Solana Multi-Delegate, Tradable, UBS Gold, Canton/vault work |
| Credentials and permissioned markets | Strong specialist fit | Prividium, OIDC Recovery, Guardian Recovery, Canton/Daml workflows |
| Batch, escrow, atomic settlement | Strong adjacent payments/workflow fit | Solana Subscriptions, Perena, Payment Channels/MPP, transaction simulation, GovAuth |
| Developer tooling, local testing, SDKs | One of MSL's strongest areas | Foundry-zksync, anvil-zksync, ZKstack CLI, Substrate MCP, Solana SDK/client work |
| XRPL EVM, bridges, interoperability | Strong cross-chain fit | Moonbeam, Tanssi Snowbridge, DataHaven Snowbridge, Moonbeam XCM, Glacis |
| AI-enabled developer/security workflows | Strong cross-cutting fit | Substrate MCP, Prompt Train, Agenter, Fabric, DataHaven, Theoriq |

## Suggested Engagement Shape

### 1. Programmability and WASM

Support Smart Escrows, Smart Contracts, WASM VM integration, host function boundaries, event semantics, and execution constraints.

Lead candidates: Alan, Nish, Steve, Facundo.

### 2. Protocol Safety and Conformance

Build conformance suites, determinism checks, fuzzing/stress harnesses, serialization boundary tests, and release-validation workflows for amendments.

Lead candidates: Tim, Juan, Gabriel, Alan.

### 3. Confidential MPT, Credentials, and Permissioning

Analyze and prototype confidential token/escrow interactions, selective disclosure, issuer/auditor flows, credential-gated features, and permissioned vault/market patterns.

Lead candidates: Miguel, Tim, Gabriel.

### 4. Payments, Vaults, and Atomic Settlement

Evaluate escrow, batch, vault, lending, subscription, multi-party signing, and institutional settlement workflows.

Lead candidates: Eze, Nish, Meidhy.

### 5. Interoperability and XRPL EVM

Support sidechain/EVM interoperability analysis, bridge review, relayer patterns, replay/attestation safety, and developer ergonomics.

Lead candidates: Parth, Agustin Rodriguez, Tobias.

### 6. AI Developer Enablement

Build XRPL-specific AI docs/navigation tooling, agent-friendly CLI/RPC workflows, spec exploration, security triage, and early agent payment prototypes.

Lead candidates: Gabriel, Parth, Federico.

## Safe Narrative

Moonsong Labs can support Ripple as a compact, already-coordinated blockchain engineering group with proven work in protocol/runtime systems, developer tooling, safety validation, privacy and permissioning, cross-chain systems, and payment/vault primitives. This maps directly to XRPL modernization work across Smart Escrows, Smart Contracts/WASM, Confidential MPTs, Credentials/Permissioned Domains, Batch/atomic flows, XRPL EVM/interoperability, and AI-enabled developer workflows.

The recommended first phase is a focused discovery-plus-delivery track: turn Ripple's priority list into an interaction matrix, conformance plan, and one or two reference implementations or tooling prototypes. This lets Ripple validate MSL's technical fit while also producing useful protocol artifacts.

## Claims To Validate Before External Use

- Exact contribution depth by engineer for transaction simulation, GovAuth, Prividium, OIDC, Guardian Recovery, xERC20/Glacis, Canton, Offchain Privacy, Taurus MCP, Solana Multi-Delegate, and Perena.
- Whether each project can be named publicly, shared under NDA, or used only as internal diligence evidence.
- Current employee/contractor status for every named person.
- Whether Ripple wants the first deliverable to be design feedback, reference implementation, conformance harness, or developer tooling prototype.

## Public XRPL Sources

- Smart Escrows: https://xls.xrpl.org/xls/XLS-0100-smart-escrows.html
- Smart Contracts: https://xls.xrpl.org/xls/XLS-0101-smart-contracts.html
- WASM VM index entry: https://xls.xrpl.org/
- Confidential MPTs: https://xls.xrpl.org/xls/XLS-0096-confidential-mpt.html
- Multi-Purpose Tokens: https://xrpl.org/docs/concepts/tokens/fungible-tokens/multi-purpose-tokens
- Credentials: https://xrpl.org/docs/concepts/decentralized-storage/credentials
- Permissioned Domains: https://xrpl.org/docs/concepts/tokens/decentralized-exchange/permissioned-domains
- Batch Transactions: https://xrpl.org/docs/concepts/transactions/batch-transactions
- XRPL EVM Sidechain: https://docs.xrplevm.org/