17 Articles

Tagged: Network Upgrade

Browse all news articles tagged with “Network Upgrade”

51% Attack Account Abstraction Accounts Addresses Avalanche BIP-44 BSC Berlin Best Practices Besu Block Reward Bridges

Feb 5, 2024

Spiral Network Upgrade Brings Shanghai EVM Equivalence

Ethereum Classic activated Spiral at block 19,250,000 on February 5, 2024, adopting Shanghai execution-layer EIPs including PUSH0 and warm COINBASE.

Network UpgradeShanghaiECIP-1109

By ETC Community

Updates

Feb 12, 2022

Mystique Network Upgrade Adopts London Subset

Ethereum Classic activated Mystique at block 14,525,000 on February 12, 2022, implementing selected London EIPs while deliberately omitting EIP-1559.

Network UpgradeLondonECIP-1104

Updates

Jul 23, 2021

Magneto Network Upgrade Achieves Berlin Equivalence

Ethereum Classic activated Magneto at block 13,189,133 on July 23, 2021, introducing typed transactions, access lists, and the cold/warm state access model.

Network UpgradeBerlinECIP-1103

Updates

Jun 1, 2020

Phoenix Network Upgrade Completes Istanbul Alignment

Ethereum Classic activated Phoenix at block 10,500,839 on June 1, 2020, achieving full Istanbul EVM equivalence after the Aztlan governance crisis.

Network UpgradeIstanbulECIP-1088

Updates

Jan 12, 2020

Agharta Network Upgrade Adopts Constantinople/Petersburg

Ethereum Classic activated Agharta at block 9,573,000 on January 12, 2020, adding bitwise shifting, CREATE2, and EXTCODEHASH.

Network UpgradeConstantinopleECIP-1056

Updates

Sep 12, 2019

Atlantis Network Upgrade Brings Byzantium to ETC

Ethereum Classic activated Atlantis at block 8,772,000 on September 12, 2019, closing a two-year EVM gap with 10 Byzantium EIPs.

Network UpgradeByzantiumECIP-1054

Updates

Nov 28, 2020

Thanos Network Upgrade Preserves GPU Mining

Ethereum Classic activated Thanos at block 11,700,000 on November 28, 2020, doubling the DAG epoch length to keep 4GB GPUs mining and establishing the Etchash algorithm.

Network UpgradeMiningECIP-1099+1

Updates

Sep 7, 2015

Frontier Thawing: Gas Limit Unlocked

At block 200,000 on September 7, 2015, the Frontier Thawing upgrade unlocked the gas limit, enabling practical smart contract deployment for the first time.

Network UpgradeHistoryGas Limit

Updates

Mar 14, 2016

Homestead Network Upgrade Marks Production Readiness

At block 1,150,000 on March 14, 2016, Homestead moved the network from beta to production with DELEGATECALL, tightened transaction rules, and P2P forward compatibility.

Network UpgradeHomesteadHistory

Security

Oct 24, 2016

Gas Reprice: Emergency Response to DoS Attacks

At block 2,500,000 on October 24, 2016, the Gas Reprice upgrade (EIP-150) was activated as an emergency response to the Shanghai DoS attacks that had been crippling the network.

Network UpgradeECIP-1015DoS+1

Updates

Jan 13, 2017

Die Hard: ETC's First Independent Network Upgrade

At block 3,000,000 on January 13, 2017, Die Hard established ETC's protocol sovereignty with replay protection (Chain ID 61), difficulty bomb delay, and state trie cleanup.

Network UpgradeECIP-1010Replay Protection+1

Updates

May 29, 2018

Difficulty Bomb Permanently Removed from ETC

At block 5,900,000 on May 29, 2018, ECIP-1041 permanently removed the exponential difficulty bomb, affirming ETC's commitment to proof-of-work consensus.

Network UpgradeECIP-1041Proof of Work+1

Featured

Updates

Jan 15, 2026

Olympia Network Upgrade Announced

The Olympia network upgrade will bring EIP-1559 fee markets, a community treasury funded by the basefee, and Cancun/Fusaka EVM equivalence to Ethereum Classic.

Network UpgradeOlympiaEIP-1559+1

By ETC Community

Updates

Dec 11, 2017

Gotham Hard Fork: Monetary Policy Activated

At block 5,000,000, Ethereum Classic activates its fixed monetary policy via the Gotham hard fork, reducing block rewards from 5 ETC to 4 ETC.

Network UpgradeGothamECIP-1017+1

Updates

Feb 12, 2022

Mystique Network Upgrade Successfully Activated

Ethereum Classic activates the Mystique network upgrade at block 14,525,000, implementing selected London EIPs while deliberately omitting EIP-1559.

Network UpgradeMystiqueECIP-1104+1

Updates

Jul 31, 2024

Spiral Upgrade: Six Months In Review

Six months after activation, the Spiral network upgrade has brought EVM parity with Ethereum's Shanghai execution layer to Ethereum Classic without incident.

Network UpgradeSpiralECIP-1109+1

Updates

Sep 1, 2025

Olympia Network Upgrade: ECIP Review Begins

The Ethereum Classic community began formal review of the Olympia upgrade ECIPs, proposing EIP-1559 fee markets, a non-inflationary treasury, and on-chain governance.

OlympiaECIPEIP-1559+3

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