Deep Dive
1. X Layer PP Upgrade (5 August 2025)
Overview: This was a foundational upgrade to OKX's proprietary Ethereum Layer 2, X Layer. It integrated the latest Polygon Chain Development Kit (CDK), formerly zkEVM, to drastically improve performance and reduce costs for users.
The upgrade increased network throughput to 5,000 transactions per second and slashed gas fees to less than $0.01, making everyday transactions and DeFi interactions significantly cheaper and faster. It also enhanced security and Ethereum compatibility, making it easier for developers to build. The network's strategic focus officially shifted to decentralized finance (DeFi), global payments, and real-world asset (RWA) applications.
What this means: This is bullish for OKB because it makes the entire ecosystem faster and much cheaper to use, which can attract more developers and users. A more active network increases demand for OKB as its native gas token. (Source)
2. OKB Smart Contract Upgrade (18 August 2025)
Overview: This update permanently altered OKB's tokenomics by upgrading its smart contract on the X Layer network. The key change was the removal of all minting and burning functions from the contract code.
This action followed a one-time burn of 65,256,712 OKB from historical repurchases and treasury reserves on 15 August 2025. The upgrade effectively locked OKB's total supply at 21 million tokens, mirroring a Bitcoin-like scarcity model and shifting from a dynamic buyback-and-burn system to a fixed supply.
What this means: This is bullish for OKB because it creates permanent, verifiable scarcity. With no new tokens able to be created, increased demand from ecosystem growth should positively impact price over the long term. (Source)
3. OKTChain Migration & L1 Phase-Out (August 2025)
Overview: This was a consolidation of OKX's blockchain infrastructure. The older OKTChain was decommissioned due to functional overlap with the upgraded X Layer, and support for the Ethereum L1 version of OKB was phased out.
OKT trading stopped on 13 August 2025, with user holdings automatically converted to OKB. Simultaneously, OKX ceased supporting withdrawals of OKB to the Ethereum mainnet. Users are now guided to bridge their assets to X Layer for full functionality, centralizing activity and liquidity on the new, efficient network.
What this means: This is neutral to bullish for OKB. It streamlines the ecosystem, reducing confusion and concentrating all utility and demand on the X Layer version of OKB. However, it required active migration from users holding tokens on the old chains. (Source)
Conclusion
The 2025 codebase updates fundamentally repositioned OKB from a multi-chain exchange utility token to the scarce, native gas asset of a high-performance Layer 2 ecosystem. With development now concentrated on X Layer, how will its DeFi and payments focus compete with other major L2s to drive sustained demand for OKB?