Blockchain code changes

Chiliz Chain is a fork of Binance’s BNB Smart Chain (BSCarrow-up-right), which is itself a fork of Ethereum.

The Chiliz Chain team pays close attention to the evolution of both Ethereum and BSC in order to include the important changes that they receive.

Here are all the changes that we merged into the Chiliz Chain codebase so far, from latest to oldest.

September 2025: Chiliz Chain 2.6.0 — SNAKE8 Hard Fork

The SNAKE8 hard fork introduces an improved Validator Reward Distribution logic.

Read more about it here:

October 2025: Snake8 Hard Forkchevron-right

GitHub linkarrow-up-right with full details.

September 2025: Chiliz Chain 2.5.1

This version fixes an invalid metric type error seen in Prometheus.

GitHub linkarrow-up-right with full details.

August 2025: Chiliz Chain 2.5.0 — PEPPER8 Hard Fork

PEPPER8 introduces two main changes:

GitHub linkarrow-up-right with full details.

January 2025: Chiliz Chain 2.3.1

This version brings all bug fixes and improvements from BSC 1.4.3 to 1.4.13.

Key updates include:

  • Consensus (Parlia) enhancements: Improved snapshot recovery, support for consecutive block production, and adjusted mining/backoff times.

  • Hard fork & network upgrades: Introduced Bohr hard fork for Testnet, Tycho (Cancun) upgrades for Mainnet, and other scheduled network transitions.

  • Performance & pruning: Optimized state pruning (including prunefreezer fixes), enhanced multi-database support, and improved chain commit performance.

  • MEV & bidding Improvements: Added rate limiting, enhanced bidding logs, and integrated new MEV parameters/functions.

  • Tooling & testing: New developer tools and flags for controlling block intervals, additional logging/metrics (including blob transaction support), and stability fixes in tests.

GitHub linkarrow-up-right with full details.

December 2024: Spicy Testnet 2.3.0

Backporting latest features and bug fixes from BSC and Ethereum.

GitHub linkarrow-up-right.

August 2024: Chiliz Chain 2.2.3

Fixed EffectiveGasPrice only containing Tip Fee.

GitHub linkarrow-up-right.

July 2024: Chiliz Chain 2.2.2

  • Fixed debug_trace* RPC JSON API methods:

    • Updated the Trace API method handlers to support tokenomics system transactions.

    • Updated stateAtTransaction method in ETH state accessor to correctly handle the execution of tokenomics system transactions on "cold access".

    • Updated CaptureState method of prestate tracer to look up account/contract address details before fetching slot details for SLOAD and SSTORE operations.

GitHub linkarrow-up-right.

April 2024: Chiliz Chain 2.2.1 — DRAGON8 Hard Fork

Implementation of several hard forks:

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Of note: We are still studying the enablement of the following hard forks: Luban, Plato, Euler. Their code is present in the Chiliz Chain codebase, but not yet enabled.

GitHub linkarrow-up-right.

June 2024: Spicy Testnet 2.2.0

GitHub linkarrow-up-right.

June 2024: Spicy Testnet 2.10

GitHub linkarrow-up-right.

May 2024: Chiliz Chain 2.0.8

GitHub linkarrow-up-right.

May 2024: Chiliz Chain 2.0.7

GitHub linkarrow-up-right.

May 2024: Chiliz Chain 2.0.6

GitHub linkarrow-up-right.

May 2024: Chiliz Chain 2.0.5

GitHub linkarrow-up-right.

May 2024: Spicy Testnet 2.0.4

GitHub linkarrow-up-right.

April 2024: Spicy Testnet 2.0.3

GitHub linkarrow-up-right.

April 2024: Spicy Testnet 2.0.2

GitHub linkarrow-up-right.

February 2024: Chiliz Chain 1.5.6

GitHub linkarrow-up-right.

December 2023: Chiliz Chain 1.5.5

GitHub linkarrow-up-right.

December 2023: Chiliz Chain 1.5.4

GitHub linkarrow-up-right.

September 2023: Chiliz Chain 1.5.3

GitHub linkarrow-up-right.

August 2023: Chiliz Chain 1.5.2

GitHub linkarrow-up-right.

June 2023: Chiliz Chain 1.5.0

GitHub linkarrow-up-right.

May 2023: Chiliz Chain 1.4.0 — CC2 launch

  • BSC "Bruno" hard fork (from 2021/11/30):

  • BSC "MirrorSync" hard fork (from 2021/02/25):

    • Upgrade 3 system contract (no BEP): TokenManagerContract, TokenHubContract, RelayerIncentivizeContract

GitHub linkarrow-up-right.

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