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# Specifications

See also: [Emission & Tokenomics](/docs/learn/emission) for supply details, [Features Overview](/docs/learn/lethean-features/overview) for technology descriptions.

| General info              |                                                                        |
| :------------------------ | ---------------------------------------------------------------------- |
| Release                   | 2026 (Zano fork, CryptoNote heritage since 2014)                      |
| Currency                  | Lethean                                                                |
| Symbol                    | LTHN                                                                   |
| Address prefix            | iTHN                                                                   |
| Deep link scheme          | `lthn://`                                                              |
| Hash algorithm            | ProgPoWZ (GPU) + PoS hybrid                                           |
| Language                  | C++ (daemon), Go (tooling), TypeScript (web)                           |
| Blockchain                | PoS + PoW alternating blocks                                          |
| **Emission**              |                                                                        |
| Block Time                | 120 seconds (2 minutes)                                                |
| Block Reward              | 1 LTHN per block (fixed)                                              |
| Blocks per day            | ~720 (PoW) + ~720 (PoS) = ~1440 total                                |
| Daily emission            | ~1440 LTHN                                                            |
| Premine                   | 10,000,000 LTHN (SWAP pool for old chain holders)                     |
| Maximum Supply            | Uncapped (asymptotically decreasing inflation)                        |
| **Fee on TXs** (flat fee) | 0.01 LTHN                                                              |
| Fee burn                  | 100% (all fees are burned)                                             |
| Alias registration        | 1 LTHN (updates use standard fee)                                     |
| **Network**               |                                                                        |
| Mainnet P2P               | 36942                                                                  |
| Mainnet RPC               | 36941                                                                  |
| Testnet P2P               | 46942                                                                  |
| Testnet RPC               | 46941                                                                  |
| **Resources**             |                                                                        |
| Website                   | [https://lethean.io/](https://lethean.io/)                             |
| Repository                | [https://github.com/lethean-io](https://github.com/lethean-io)        |
| Explorer                  | [https://explorer.lthn.io/](https://explorer.lthn.io/)                |
| Documentation             | [https://testnet-docs.lthn.io/](https://testnet-docs.lthn.io/)        |
| Downloads                 | [https://downloads.lthn.io/](https://downloads.lthn.io/)              |
| Trade (DEX)               | [https://trade.lthn.io/](https://trade.lthn.io/)                      |
| **Requirements**          |                                                                        |
| Wallet requirements       | 2 core x64 CPU, 3 GB RAM                                              |
| Wallet platforms          | Linux x86_64 (macOS and Windows pending)                               |

