TEZOS UPGRADES TIMELINE

A Wallet That Grows with You

Tezos Wallet is built on a foundation of continuous improvement. With each upgrade, our wallet evolves to integrate the latest features and innovations, ensuring that it remains at the forefront of blockchain technology. Join us in shaping the future of secure, scalable, and efficient digital wallets, while enjoying the benefits of cutting-edge advancements.

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The 17th Tezos protocol upgrade brings a reduced block time of 8 seconds and 16-second finality, along with an enhanced staking mechanism and strengthened economics through further improvements to the 'Adaptive Issuance' system.

PARIS — JUN 2024

  1. The minimal block time was reduced to 10 seconds, improving latency and faster finality on Layer 1.
  2. The Data-Availability Layer was enabled on mainnet to boost Smart Rollups throughput.
  3. The introduction of Adaptive Issuance, a new staking mechanism, and Adaptive Slashing overhauled the foundations of Tezos' Proof-of-Stake.

OXFORD — FEB 2024

  1. The 15th upgrade to the Tezos protocol introduces three key changes: the introduction of Private Smart Rollups, refinements to Proof-of-Stake, and the re-enablement of Timelocks.

NAIROBI — JUN 2023

  1. On-chain operations per second bandwidth for transactions and smart contract calls was increased by up to 8x, with an improved gas model for cryptographic signatures.
  2. Smart rollups can now evolve in lockstep with layer 1 protocol upgrades.
  3. Faster propagation of pre-attestations ensures earlier consensus

MUMBAI — MAR 2023

  1. Block times were cut in half to 15 seconds with improved block validation pipelining.
  2. Smart Rollups were fully activated on Mainnet, supporting dramatic gains in throughput and enabling decentralized WebAssembly applications to be deployed.
  3. Tickets can now be transferred between user (implicit) accounts.

LIMA — DEC 2022

  1. Pipelining improvements separating validation from operation application will enable higher throughput.
  2. Consensus keys were introduced, allowing bakers to change their signing key for blocks and consensus operations.
  3. Tickets ownership updates are now included in transaction receipts, helping indexers.

KATHMANDU — SEP 2022

  1. Smart contract optimistic rollups were enabled on bleeding-edge testnets, preparing the protocol for full integration of SCORUs.
  2. The first steps of pipelined block validation were introduced, aiming to streamline the block validation process.
  3. Improved randomness with VDFs and event logging in smart contracts were also implemented.

JAKARTA — JUN 2022

  1. Transaction Optimistic Rollups (TORUs) were introduced, marking an experiment with enshrined rollups that led to increased throughput, lower fees, and a path to significantly improved long-term scalability.
  2. Improvements to tickets and Sapling enabled better privacy features and increased decentralization for Tezos tokens.

ITHACA — APR 2022

  1. Tenderbake, a new and significantly upgraded Tezos consensus algorithm, was introduced, providing fast finality and improved scalability for the Tezos blockchain.
  2. Various other changes were made to improve the baking experience, such as reducing the number of tokens required to be a validator and overhauling the baking and endorsement rewards mechanism.

HANGZHOU — DEC 2021

  1. Several improvements were introduced, including views that give smart contracts the ability to read the storage state of other smart contracts, timelock encryption to counter Block Producer Extractable Value, caching to provide faster access to regularly accessed data at lower gas costs, and a global table of constants for easier development of more complex smart contracts.

GRANADA — AUG 2021

  1. Liquidity Baking was introduced, which mints a small amount of tez every block and deposits it inside a constant product market-making smart contract. This incentivizes decentralized liquidity between tez and tzBTC.
  2. Several improvements were made that reduced gas consumption of popular contracts by 3-6 times.

FLORENCE — MAY 2021

  1. The maximum size of operations was doubled, which more than doubled the maximum size of smart contracts.
  2. Gas optimizations were furthered, speeding up gas arithmetic by a factor of 10.
  3. The depth-first execution order was adopted to make smart contract development more intuitive.
  4. The unused Test Chain in the Economic Protocol was deactivated, simplifying the amendment process.

EDO — FEB 2021

  1. Sapling and BLS12-381 were added to enable privacy-preserving smart contracts and tickets for native permissions.
  2. The amendment process was updated by shortening the period length to 5 cycles and adding a 5th Adoption Period.

DELPHI — SEP 2020

  1. Gas costs were optimized, and storage costs were reduced by a factor of 4, reflecting improvements in the underlying storage layer.

CARTHAGE — MAR 2020

  1. The gas limit per block and per operation was increased.
  2. The accuracy and resiliency of the formula used for calculating baking and endorsing rewards were improved.

BABYLON — OCT 2019

  1. A more robust version of the blockchain’s consensus algorithm (Emmy+) was introduced.
  2. Smart contract development was simplified.
  3. The delegation process was refined.

ATHENS — MAY 2019

  1. The gas limit per block was increased, and the roll size was reduced from 10,000 ꜩ to 8,000 ꜩ.