Optimism (OP) Calendar: Release Schedule, Listings, Hard Fork, Halving
Token Buyback Program
Optimism finalizes governance approval for an OP buyback program following a completed community vote.
8004scan Integration
8004scan is now live on Optimism, enabling users to explore, validate, and interact with ERC-8004 agents deployed on the network.
BPO2 Update
Optimism confirms BPO1 deployment, increasing the blob target and maximum from 10 to 15 per block to improve data throughput.
Tokens Unlock
Optimism will unlock 31,340,000 OP tokens on January 31, constituting approximately 1.62% of the currently circulating supply.
Tokens Unlock
Optimism will unlock 31,340,000 OP tokens on December 31st, constituting approximately 1.65% of the currently circulating supply.
Superchain Upgrade 16a
Optimism deploys Superchain Upgrade 16a on Oct 2 on Superchain Mainnet, subject to governance approval.
Sepolia Superchain Upgrade 16a
Optimism rolls out Superchain Upgrade 16a on Sep 22 on Superchain Sepolia, pending governance approval.
Tokens Unlock
Optimism will unlock 116,000,000 OP tokens on September 21st, constituting approximately 6.89% of the currently circulating supply.
Governance Updates for Season 8
Optimism has revealed upcoming governance changes for Season 8, set to take effect on August 1st.
Superchain Upgrade 16.0
Optimism has announced the rollout of Superchain Upgrade 16.0, which was approved through OP Governance and will go live next week.
Tokens Unlock
Optimism will unlock 31,340,000 OP tokens on July 31st, constituting approximately 1.79% of the currently circulating supply.
SuperStacks OP Claim
The SuperStacks initiative on the Optimism Superchain officially ends on June 30th.
Tokens Unlock
Optimism will unlock 31,340,000 OP tokens on June 30th, constituting approximately 1.83% of the currently circulating supply.
Tokens Unlock
Optimism will unlock 31,340,000 OP tokens on May 31st, constituting approximately 1.89% of the currently circulating supply.
Bitbank Deposits Resumed
Optimism deposits and withdrawals on OP mainnet were restored on May 12th, following a temporary suspension, according to an official statement.
Tokens Unlock
Optimism will unlock 31,340,000 OP tokens on April 30th, constituting approximately 1.89% of the currently circulating supply.
Tokens Unlock
Optimism will unlock 31,340,000 OP tokens on March 31st, constituting approximately 1.93% of the currently circulating supply.



