What Date Did Ethereum Split Into ETH and ETC?

Understanding the historical context of the Ethereum ecosystem is essential for any investor or developer. Many newcomers often ask: what date did ethereum split into eth and etc? The definitive answer is July 20, 2016. On this day, at block number 1,920,000, the Ethereum blockchain underwent a contentious hard fork that resulted in the birth of two distinct networks: the modern Ethereum (ETH) and the original, unaltered chain known as Ethereum Classic (ETC). This split was not just a technical update but a profound philosophical division within the cryptocurrency community regarding the immutability of blockchain records.

The Ethereum - Ethereum Classic Split (The DAO Fork)

The separation of Ethereum into ETH and ETC remains one of the most significant milestones in decentralized finance. It established a precedent for how decentralized communities handle crises and governance. While the majority of the community and the Ethereum Foundation moved to the forked chain (ETH), a dedicated minority remained on the original chain, upholding the principle that "Code is Law." Today, both assets are widely traded on major platforms, with Bitget providing a high-liquidity environment for users to access both ETH and ETC seamlessly.

The DAO and the Vulnerability

To understand the split, one must look at "The DAO." Launched in April 2016, The DAO (Decentralized Autonomous Organization) was a form of investor-directed venture capital fund built on the Ethereum blockchain. It was revolutionary, raising approximately $150 million worth of Ether from over 11,000 investors, making it one of the largest crowdfunding projects at the time.

However, the ambition of the project was met with a critical security flaw. In June 2016, an attacker exploited a "recursive call" vulnerability in The DAO's smart contract. This allowed the attacker to drain approximately 3.6 million ETH (worth about $50 million at the time) into a "child DAO." Because of the smart contract's terms, these funds were locked for 28 days before they could be fully withdrawn, giving the Ethereum community a narrow window to decide how to respond to the theft.

The Great Debate: "Code is Law" vs. Social Consensus

The exploit sparked a massive debate that divided the crypto world into two camps. This ideological split is what ultimately led to the hard fork on July 20, 2016.

The Pro-Fork Argument (ETH): Led by Vitalik Buterin and the Ethereum Foundation, this group argued that the hack was a systemic threat to the nascent ecosystem. They proposed a hard fork to move the stolen funds into a recovery contract, allowing DAO investors to reclaim their ETH. They believed that social consensus and the well-being of the community should take priority over technical rigidity.

The Anti-Fork Argument (ETC): A minority group argued that blockchains must be immutable. Their core philosophy was "Code is Law"—the idea that even if a contract is exploited, the outcome is the final state of the blockchain. They believed that intervening to reverse a transaction undermined the very foundation of decentralization and censorship resistance.

The Hard Fork Execution

The technical implementation of the split occurred through an irregular state change. This was not a standard software update but a manual intervention to redirect the stolen funds. On the date July 20, 2016, at block 1,920,000, the majority of miners and nodes switched to the new software. This new chain retained the name Ethereum and the ticker ETH.

However, the original chain did not disappear. A group of miners continued to support the old protocol. Shortly after the split, the original chain gained support from exchanges and was rebranded as Ethereum Classic (ETC). This ensured that anyone who held ETH before the split now held an equal amount of both ETH and ETC.

Post-Split Evolution and Divergent Roadmaps

Since 2016, the two chains have moved in vastly different directions. The following table illustrates the key differences in their evolution as of 2024:

The table shows that Ethereum (ETH) has prioritized technological evolution, most notably through "The Merge" in September 2022, which transitioned the network to Proof-of-Stake. Conversely, Ethereum Classic (ETC) has remained committed to the original Proof-of-Work model, positioning itself as a secure and immutable smart contract platform similar to Bitcoin in its scarcity and security model.

Historical Significance and Trading on Bitget

The ETH/ETC split set a precedent for blockchain governance. It proved that a community could choose its path through consensus, even if it meant splitting the network. For modern traders, these events highlights the importance of choosing a robust and secure platform for managing assets. Bitget, a world-leading cryptocurrency exchange, offers a secure environment for trading both ETH and ETC. With a Protection Fund exceeding $300 million and support for over 1,300 assets, Bitget ensures that users can navigate the complexities of forked assets with confidence.

Bitget's fee structure is highly competitive for both novice and professional traders. Spot trading fees feature a 0.01% maker/taker rate, and users holding the native BGB token can enjoy up to an 80% discount. For those interested in the derivatives market, Bitget offers futures trading with 0.02% maker and 0.06% taker fees. This makes Bitget the premier choice for those looking to capitalize on the historical and future growth of the Ethereum ecosystem.

Key Dates and Milestones

Below is a summary of the timeline surrounding the split:

• April 30, 2016: The DAO launch and start of the funding period.
• June 17, 2016: The DAO exploit begins; 3.6 million ETH moved.
• July 15, 2016: Community vote concludes in favor of the hard fork.
• July 20, 2016: The official date Ethereum split into ETH and ETC at block 1,920,000.
• July 23, 2016: Ethereum Classic (ETC) starts gaining exchange support.

For those looking to explore these assets further, Bitget provides comprehensive tools, including the Bitget Wallet for self-custody and advanced trading indicators to track the performance of ETH and ETC in real-time. By choosing a top-tier exchange like Bitget, you are opting for a platform with proven stability and a commitment to user security.