Announcements GateChain v19 & v20 Consensus Upgrade Announcement

GateChain v19 & v20 Consensus Upgrade Announcement

2025-09-12 12:02:53 UTC 85702 Read

GT/USDT -0.31%

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The GateChain is scheduled to upgrade its mainnet to version v19 & v20 on September 15, 2025, between 05:00 and 10:00 UTC. The upgrade is expected to take 5 hours, during which RPC services may be unavailable. To prevent any potential disruptions or losses, users are advised to pause all on-chain transactions via RPC during this upgrade window.

All consensus-participating nodes must upgrade their node binaries to remain compatible.

This upgrade introduces Blob transactions (EIP-4844) along with multiple important EVM and RPC improvements.

### Upgrade Window:
September 15, 2025, 05:00 – September  15, 2025, 10:00 (UTC)

### Key Updates in v20

### 1. Consensus & Block Version Upgrade
- Block version upgraded to v20

### 2. EVM Upgrade (Cancun Version)
- VM fully upgraded to Cancun, supporting the latest Ethereum features

### 3. EIP Compatibility Improvements

#### Performance / Cost Optimization
  - EIP-2565: Reduced gas cost for ModExp operations
  - EIP-3855: Added PUSH0 instruction to save bytecode and gas
  - EIP-5656: Added MCOPY instruction for more efficient memory copying
  - EIP-3651: Pre-warmed COINBASE address to optimize gas consumption
  - EIP-1153: Introduced transient storage opcodes for temporary data handling

#### Security / Predictability
  - EIP-2929: Increased gas cost for state access (SLOAD, SSTORE)
  - EIP-2930: Introduced access lists to optimize gas calculation
  - EIP-3529: Reduced gas refunds to improve fee model rationality
  - EIP-3541: Disallowed contracts starting with 0xEF
  - EIP-3860: Limited contract initcode size
  - EIP-6780: Restricted SELFDESTRUCT to same-transaction invocation

#### Transaction Fee Optimization
  - EIP-3198: Provided BASEFEE opcode for better fee calculation

### 4. Major Upgrade – EIP-4844 (Blob Transactions)
- Supports Shard Blob Transactions (Proto-Danksharding)
- Introduces new blob transaction types and gas fee mechanisms
- Establishes foundation for scalable data storage and Layer 2 optimizations

### 5. RPC Interface Improvements
- Added Blob-related RPC interfaces
- Modified eth_hash return format

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