Whitepapers.
Whitepapers
Archive & current versions. Select a whitepaper to open it.
Note: The whitepaper documents themselves are currently available in English. This overview page is translated.
MiCAR Whitepapers
| Whitepaper | Version | Valid from | Valid until | Change reason |
|---|---|---|---|---|
| XGR MiCAR Whitepapercurrent | v2.3.1 | 16 Apr 2026 | - | Crypto payment method introduced |
| XGR MiCAR Whitepaper | v2.2.2 | 06 Feb 2026 | 15 Apr 2026 | Correction of the pricing formula |
| XGR MiCAR Whitepaper | v2.0 | - | 05 Feb 2026 | - |
Technical Whitepapers
| Whitepaper | Version | Valid from | Valid until | Change reason |
|---|---|---|---|---|
| XGR Chain Technical Whitepapercurrent | v2.0.5 | 25 May 2026 | - | Updated to public standalone node release v2.0.5, delegated PoS mainnet baseline, current fee model, staking model and public PoS RPCs |
| XGR Chain Technical Whitepaper | v1.0 | 07 Feb 2026 | 24 May 2026 | Initial technical whitepaper |
Technical Notes
| Whitepaper | Version | Valid from | Valid until | Change reason |
|---|---|---|---|---|
| XGR MCP Gateway Technical Notecurrent | v1.0 | 07 Jun 2026 | - | MCP access layer, AI-agent interaction model, mainnet/testnet endpoints, handoff security boundary and example queries |