# GRU M1 Listing & Validation

**Last Updated:** 2026-01-31  
**Document Version:** 1.0  
**Status:** Active Documentation

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## Overview

This folder contains the **GRU M1 Master Implementation Plan** and supporting documents for launching and validating **GRU M1 compliant settlement instruments** (cUSDC, cUSDT, cEURC, etc.) and their public listings on **CoinMarketCap (CMC)** and **CoinGecko (CG)**.

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## Documents

| Document | Description |
| -------- | ----------- |
| [GRU_M1_MASTER_IMPLEMENTATION_PLAN.md](GRU_M1_MASTER_IMPLEMENTATION_PLAN.md) | End-to-end implementation, testing, and dry-run framework (6 phases) |
| [GRU_M1_REAL_DATA_DOMINANCE_ADDENDUM.md](GRU_M1_REAL_DATA_DOMINANCE_ADDENDUM.md) | Real-data dominance simulation (Section VII) and peg stress-test worksheet (Section VIII–IX) |
| [PEG_STRESS_TEST_WORKSHEET.md](PEG_STRESS_TEST_WORKSHEET.md) | Per-instrument peg stress-test template for dry-runs and audits |

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## Quick Links

### Runbooks & Procedures

* [GRU M1 Listing Dry-Run Runbook](../runbooks/GRU_M1_LISTING_DRY_RUN_RUNBOOK.md) — Step-by-step dry-run procedures
* [GRU M1 Listing Validation](../compliance/GRU_M1_LISTING_VALIDATION.md) — Acceptance gates and validation criteria

### Configuration & Submission

* [CoinGecko Submission Guide](../04-configuration/coingecko/COINGECKO_SUBMISSION_GUIDE.md) — cUSDC, cUSDT submission templates
* [CMC & CoinGecko Reporting](../../smom-dbis-138/services/token-aggregation/docs/CMC_COINGECKO_REPORTING.md) — Token aggregation report API

### References

* [Chain 138 Token Addresses](../11-references/CHAIN138_TOKEN_ADDRESSES.md) — cUSDC, cUSDT contract addresses
* [ISO-20022 E-Money Runbook](../runbooks/MULTI_CHAIN_EXECUTION_ISO20022_EMONEY.md) — GRU-M1 base money requirements

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## Scripts

| Script | Description |
| ------ | ----------- |
| [scripts/gru-m1/dominance-simulation.sh](../../scripts/gru-m1/dominance-simulation.sh) | Run Top-25 dominance simulation (S0–S5) |
| [scripts/gru-m1/check-ciso-supply.sh](../../scripts/gru-m1/check-ciso-supply.sh) | On-chain supply reconciliation for cUSDC/cUSDT |

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## Terminology

| Term | Meaning |
| ---- | ------- |
| **cISO(C/T)** | Compliant fiat-referenced token: `c` + ISO-4217 currency + Coin (`C`) or Token (`T`) |
| **cUSDC** | Compliant USD Coin |
| **cUSDT** | Compliant USD Token |
| **cEURC** | Compliant EUR Coin |
| **GRU M1** | GRU base money layer; externally represented as stablecoin / fiat-pegged |