Ethereum Blob Capacity Raised to 21, Improving Transaction Throughput

Ethereum Scalability Skyrockets as Developers Raise Blob Limit to 21, Paving the Way for Faster, Cheaper, and More Efficient Transactions Across the Network

Ethereum is making waves again in the crypto world with its latest network upgrade. Developers have implemented the second Blob Parameter-Only (BPO) hard fork, raising the blob limit from 15 to 21. This change, which went live on Wednesday at exactly 1:01:11 UTC, is designed to dramatically improve transaction speed and efficiency. By enabling more transactions to be batched via rollups, Ethereum is becoming increasingly capable of handling high network demand while keeping transaction costs lower and the network less congested.

Understanding How the Second BPO Hard Fork Increases Ethereum’s Data Capacity and Expands Block Throughput to Support Growing Network Activity

The second BPO hard fork not only raises the blob limit but also increases the blob target from 10 to 14. While the maximum limit of 21 blobs defines the absolute capacity of a block, the target number is a more critical indicator for network stability. Exceeding the blob limit too often could strain node bandwidth and storage, potentially slowing down performance. Each blob unit holds 128 kilobytes of data, meaning Ethereum can now store up to 2,688 KB per block. This increase significantly boosts Ethereum’s throughput, allowing more transactions to be processed in a single block and providing a smoother experience for users and developers alike.

How Blobs Contribute to Stabilizing Ethereum Mainnet Gas Fees While Increasing Layer 2 Efficiency  

Blobs are essential for Ethereum’s long-term scalability, as they reduce congestion on the mainnet and improve fee stability. Since the first BPO hard fork on December 9, 2025, Ethereum’s transaction fees have become noticeably more predictable, according to YCharts data. This stability benefits traders, developers, and users of decentralized applications by providing more reliable costs and reducing the risk of sudden fee spikes. Layer 2 solutions also benefit, as blobs allow more efficient rollups, making batch transactions cheaper and faster than ever.

Exploring Ethereum’s Proposed Gas Limit Raise From 60 Million to 80 Million and How It Could Unlock

During the Ethereum All Core Developers meeting on December 15, discussions focused on increasing the gas limit from 60 million to 80 million. Raising the gas limit would allow more transactions and smart contract operations per block, directly increasing network throughput and efficiency. This upgrade would make Ethereum even more cost-effective for users and developers, paving the way for larger-scale decentralized applications and more seamless smart contract execution. It represents another step toward Ethereum’s long-term vision of a highly scalable, low-fee blockchain.

Glamsterdam Hard Fork and the Introduction of Perfect Parallel Processing: Turning Ethereum Into a Multi-Lane Highway for Transactions in 2026

Ethereum’s future upgrades promise even more revolutionary improvements. The Glamsterdam hard fork, scheduled for later in 2026, will enable perfect parallel processing, transforming Ethereum from a single-lane blockchain into a multi-lane transaction network. This upgrade, implemented through Ethereum Improvement Proposal-7928, will allow blocks to handle multiple transactions simultaneously, massively increasing throughput. In addition, the gas limit could rise to 200 million, accommodating far more operations per block. These innovations are designed to make Ethereum faster, cheaper, and more efficient for everyone, from individual traders to large-scale developers.

Why These Network Upgrades Are Critical for Ethereum’s Long-Term Growth, Mass Adoption, and the Future of Decentralized Finance

Ethereum’s roadmap is clearly focused on scalability, affordability, and efficiency. With the BPO hard forks and the upcoming Glamsterdam upgrade, the network is preparing for growing demand from both retail users and institutional participants. These improvements will enable faster transaction speeds, lower fees, and higher reliability for decentralized applications, layer 2 solutions, and smart contract operations. As Ethereum evolves, it is positioning itself as the leading platform for decentralized finance, gaming, NFTs, and beyond, offering a robust foundation for the next generation of blockchain technology.

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