Tezos Activates Tallinn Protocol Upgrade, Enhancing Performance and Security

By Patricia Miller

Jan 26, 2026

1 min read

Tezos has activated its Tallinn protocol upgrade, enhancing performance, security, and reducing storage costs for developers.

Tezos has recently implemented its Tallinn protocol upgrade through a democratic governance process engaging its bakers and community members. This significant milestone, driven by teams at Nomadic Labs, Trilitech, and Functori, marks the 20th upgrade for the network and promises to enhance several key aspects of the blockchain experience.

With this upgrade, Tezos achieves a reduction in layer 1 block times to six seconds. This faster processing enhances finality and bolsters security through universal validator attestations facilitated by BLS signatures. Such advancements affirm Tezos' commitment to adaptability and reliability over time.

One of the standout features of the Tallinn upgrade is its Address Indexing Registry. This innovation can reduce storage costs for applications by as much as 100 times, a notable benefit for enterprise applications, NFT platforms, and extensive ledgers relying on Michelson. The upgrade not only lowers expenses but also increases throughput, making it a significant upgrade for developers.

The upgrade's implementation through Tezos' on-chain governance ensures that scalability and decentralization are achieved without disrupting existing network operations. Furthermore, this enhancement fortifies Tezos' potential as a settlement layer for Etherlink, its EVM-compatible layer 2 solution, providing L1 finality in just 12 seconds.

Overall, the Tallinn upgrade presents substantial performance and efficiency improvements for the Tezos blockchain. By continuously adapting to market demands without interrupting service, Tezos demonstrates an innovative and forward-thinking approach to blockchain technology. Investors and developers alike should take notice of these enhancements as they represent a strategic step forward in the blockchain landscape.

Important Notice And Disclaimer

This article does not provide any financial advice and is not a recommendation to deal in any securities or product. Investments may fall in value and an investor may lose some or all of their investment. Past performance is not an indicator of future performance.