> For the complete documentation index, see [llms.txt](https://docs.creditcoin.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.creditcoin.org/technical-specification.md).

# Technical Specification

This page provides a comprehensive overview of Creditcoin's core network metrics and protocol parameters on Mainnet. Whether you're building on Creditcoin or integrating EVM-compatible applications, the data below offers additional insight into the performance, scalability, and technical structure of the blockchain.

<table data-header-hidden><thead><tr><th width="310">Metric</th><th>Value</th></tr></thead><tbody><tr><td>Frontier version</td><td>Current: stable2409</td></tr><tr><td>EVM Compatibility</td><td>Yes</td></tr><tr><td>PolkadotSDK version</td><td>Current: polkadot-stable2409</td></tr><tr><td>Consensus</td><td>PoS</td></tr><tr><td>Block time</td><td>15s</td></tr><tr><td>Finality time</td><td>1-3 blocks</td></tr><tr><td>TPS - Substrate with full EVM use</td><td>~350 tps *</td></tr><tr><td>TPS - Substrate with no EVM use</td><td>~1400 tps *</td></tr><tr><td>TPS - ERC20 Transfers filled blocks</td><td>100 tps **</td></tr><tr><td>TPS - Simple eth transfers filled blocks</td><td>238 tps **</td></tr><tr><td>TPS - Simple eth transfers filled blocks<br>Using batch transfers</td><td>745 tps **</td></tr><tr><td>On-Chain Data Size</td><td>~150g as of February 2026</td></tr><tr><td>Supported EIPs</td><td><p>EIP-20 (ERC-20), EIP-721 (NFTs), EIP-1155 (ERC-1155)<br></p><p>EIP-1559, EIP-4337, EIP-712, EIP-1271, EIP-7913</p></td></tr><tr><td>BLOCK_GAS_LIMIT</td><td>75_000_000</td></tr><tr><td>Epoch</td><td>2880 blocks</td></tr><tr><td>Era</td><td>2 epochs</td></tr><tr><td>Base gas price</td><td>0.5 gwei</td></tr><tr><td>Elasticity</td><td><p>125_000</p><p>lower() 0</p><p>ideal() 500_000</p><p>upper() 1_000_000</p></td></tr><tr><td>Peak Observed EVM volume</td><td>~375k transactions in a day</td></tr><tr><td>Peak Observed Substrate volume</td><td>~400k extrinsics in a day</td></tr><tr><td>Substrate extrinsics fee</td><td>0.015932248 CTC for basic balance transfer</td></tr><tr><td><p>Substrate large data input fee</p><p>per megabyte</p></td><td>110 CTC</td></tr><tr><td>EVM Transaction fee</td><td><p>Varies based on gas price, which varies based on % fill of recent blocks</p><p></p><p>Formula</p><p>Current gas price in wei * (estimated native transfer gas unit) / (decimals)</p><p></p><p>Example with base fee for a simple transfer, assuming base gas price of 0.5 gwei</p><p></p><p>500000000*21000/(10^18) = 0.0000105 CTC</p></td></tr></tbody></table>

&#x20;\* May vary depending on factors such as other concurrent volume, type of transactions and extrinsics.

\*\* Capacity calculated based on BLOCK\_GAS\_LIMIT, which can be increased to a desired value.