Ethereum Activates Glamsterdam Upgrade on Sepolia Testnet Today

Ethereum activated the Glamsterdam upgrade on the Sepolia testnet on October 6, representing the first major practical test for this update ahead of its proposed deployment on the mainnet.

The Glamsterdam upgrade is part of Ethereum's ongoing series of updates, aiming to improve network performance, lower transaction costs, and increase its capacity to process data more efficiently.

The Sepolia network serves as a key test environment used by developers to verify the stability of updates before migrating them to the mainnet, thereby reducing the risks of technical glitches during the official launch.

The Ethereum community is awaiting the results of this test to determine the timeline for the official launch of Glamsterdam, while a definitive date for its mainnet deployment has not yet been set.

What do these terms mean?

**Testnet:** A trial version of the blockchain network used to test new updates before their official release, and its currency has no real value.

**Mainnet:** The official, real version of the network where transactions with actual value take place.

**Network Upgrade:** A software update that adds new features or improves network performance, requiring the approval of the majority of developers and validators before activation.