2026-01-08 05:27:58

The Ethereum network completed its second Blob parameter fork upgrade on January 8th, marking the final sprint phase of the Fusaka upgrade launched last December. This seemingly "lightweight" parameter adjustment hides significant empowerment for the entire Layer 2 ecosystem.

Specifically, this fork increased the target number of Blobs per block from 10 to 14, and the maximum capacity from 15 directly to 21. This is another round of expansion following the initial adjustment in December, indicating that Ethereum is consciously gradually releasing data capacity.

Why is this important? Blobs are essentially a dedicated temporary database for Ethereum's Layer 2 Rollup. Rollup projects bundle user transactions into Blobs and submit them to the mainnet, exchanging minimal costs for data availability. The larger the Blob capacity, the more affordable data space is available for Layer 2 networks, directly reducing user transaction fees. Simply put, Blob expansion = cheaper Layer 2.

The ambitions of the Fusaka upgrade go beyond just increasing Blob capacity. It also introduces PeerDAS (Peer-to-Peer Data Availability Sampling), a key technology. The cleverness of this lies in — nodes do not need to download the entire Blob data; they only verify randomly sampled data chunks to confirm overall validity. This greatly lowers the hardware requirements for running nodes and is a technological cornerstone supporting continuous Blob expansion.

From another perspective, from the launch of PeerDAS to the phased implementation of the BPO expansion plan, Ethereum is following a "modular + incremental" upgrade route. It does not seek to do everything at once but continuously optimizes the Layer 2 settlement and data layer infrastructure. This cautious pace ensures the network won't be overwhelmed by sudden demand and provides the ecosystem with ample adaptation window.

For Layer 2 users, the coming months will gradually bring real cost reductions. For Layer 2 project teams, the decline in data costs means more room for innovation and competitiveness. This sustainable expansion mechanism lays a solid foundation for Ethereum's next large-scale application era.

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PretendingToReadDocs

· 01-11 01:18

Blob is expanding again and again. When will my gas fees finally become cheap?

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LayerZeroHero

· 01-10 01:11

It has been proven that this wave of PeerDAS+ incremental expansion is the correct approach, much more stable than a one-step solution. --- Blob has skyrocketed from 15 to 21, with this data coming in directly. Layer2 fees should be able to drop significantly. --- The key is not the number of Blobs, but the architecture design that doesn't require nodes to download everything fully. The hard threshold has really been lowered. --- Wait, they talk about progressive upgrades, which means there is room for future improvements? We need to keep an eye on this pace. --- It's hard to say before the actual data is out, but from the protocol architecture, it does seem well thought out. --- I'm a bit curious whether PeerDAS might have security risks related to sampling verification under actual network pressure. Need to follow up on testing feedback. --- The modular approach is so detailed, truly laying the foundation for large-scale applications. There’s still some idealism involved. --- With 21 Blob capacity, it feels like there’s still room to expand. When can the ceiling be truly unlocked? --- This upgrade should significantly enhance the competitiveness of Rollup projects. Lower costs = more room for innovation, makes sense logically.

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LightningSentry

· 01-08 05:58

Bro, this upgrade is definitely not a repeat of the past. Blob has risen from 15 to 21, and the L2 transaction fees can finally breathe a sigh of relief. Gas fees are about to plummet again. I've had enough of those sky-high fees for a long time. Looks like I’ll have to wait a few more months patiently. PeerDAS sounds pretty hardcore in technical details, but basically it’s just making it possible for ordinary people to run nodes. That’s true decentralization. I’m impressed with Ethereum’s steady and cautious approach. No rushing, no crashes, just this pace. Come on, Fusion, hurry up with the upgrade. Is the spring of L2 really coming?

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GasFeeLover

· 01-08 05:57

Blob capacity doubles, and Layer 2 fees really drop. Let's wait and see how cheap it can get in the future.

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DefiPlaybook

· 01-08 05:57

Gas fees are about to drop, and this time it might be real, not just the typical "coming soon" hype to cut leeks. --- Wait, can PeerDAS really reduce hardware requirements? Those running nodes to earn rewards are going to cry again. --- 21 Blob sounds impressive, but how does the on-chain data look? Is the arbitrage space also inflated? --- Another round of incremental upgrades. This pace is quite steady, but who believes it? At this rate, Layer 2 will still be expensive for the foreseeable future. --- A blessing for Layer 2 users? Let’s see if Arbitrum and Optimism actually lower fees. Don’t just take surface-level data. --- Basically, it’s still about stacking parameters. The real test is whether the ecosystem can support this expansion, or it will end in failure. --- Data cost reduction = project teams launching a new round of aggressive token issuance. Everyone, be careful not to get caught in the trap.

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SilentObserver

· 01-08 05:55

Blob expansion = lower fees, now Arbitrum and Optimism can really compete

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BearMarketBuilder

· 01-08 05:39

Blob capacity from 15 to 21, now the layer2 gas fees have dropped, finally able to breathe a sigh of relief --- peerDAS's move is truly impressive, nodes don't need to download all data? This is the real scalability approach --- Wait, does this mean my Arbitrum transaction fees can be significantly cheaper? Is it really that exaggerated? --- fusaka's rhythm is incredibly steady, slowly increasing volume without big moves, this approach is much more reliable than previous aggressive plans --- Is the spring of layer2 here? After this expansion, a wave of ecosystem projects should rise --- Modular upgrades are really the future direction, Ethereum's move is spot on --- In short, the blob capacity doubles, gas fees are expected to fall, those layer2 projects need to start optimizing their narratives

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CryptoWageSlave

· 01-08 05:36

Blob capacity doubles, layer2 fees drop sharply, now Arbitrum and OP are really about to ramp up.

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