And it’s Friday again. Once again, it’s time to look back at the biggest crypto news before the coming week. Loud headlines could clearly flash in your news feed, and we have selected 5 of the most striking news from the world of blockchain and crypto.
From groundbreaking scalability solutions to new regulatory challenges, here are the top updates you shouldn’t miss this week!
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Vitalik Buterin on Ethereum Scalability
It’s time to look closer at one of the biggest networks. Ethereum co-founder Vitalik Buterin emphasized that data availability sampling and rollups are the key to Ethereum’s long-term scalability.
He stated that PeerDAS technology will be a key element for scaling the network. It will be part of the upcoming Fusaka update.
PeerDAS will allow nodes to check the availability of block data without fully downloading it. The nodes will receive small fragments and use erasure coding to restore the rest of the information. Buterin called this approach unique.
Some operations in the first version of PeerDAS will still require complete data. However, this will require only one honest node, which will make the system resistant to attacks.
To sum it up, Vitalik Buterin highlighted how these technologies can significantly reduce costs and improve transaction throughput, ensuring Ethereum remains competitive in the rapidly growing blockchain landscape.
BNB Chain Cuts Fees by Half
In response to increasing competition from networks like Base and Solana, BNB Chain announced a 50% reduction in transaction fees.
BNB Chain validators suggested reducing the gas from 0.1 to 0.05 Gwei and reducing the block interval from 750 to 450 ms.
As a result, the transaction cost may drop to $0.005, which will allow the network to remain competitive against the background of the popularity of Solana and Base.
This move is expected to boost adoption, improve user retention, and make BNB Chain more appealing for developers seeking scalable and cost-effective infrastructure.
Rainbow Wallet Announces Token and Acquisition
Now let’s talk about Web3 solutions. The popular Web3 wallet Rainbow unveiled its native token (RNBW) while also announcing the acquisition of Clanker, a crypto-focused application.
The team will allocate 4% of the total issue of future coins. This is about 20% of the circulation on TGE.
Clanker founder Jack Dishman denied Rainbow’s claims, stressing that he rejected the deal last week.
This step signals Rainbow’s ambition to expand its ecosystem and offer enhanced services, solidifying its position in the competitive Web3 crypto wallet market.
Vitalik Praises Base L2 Progress
And here is another news about the co-founder of Ethereum. Buterin also praised the achievements of Coinbase’s Base Layer-2 network, noting its innovative approach to decentralization and scalability.
“Base is doing everything right: this is L2 on top of Ethereum, which uses centralized functions to enhance the user experience, while remaining connected to a decentralized baseline for security,” the specialist noted.
As more Layer-2 networks push for efficiency, Base’s progress highlights the growing importance of these solutions in Ethereum’s broader ecosystem.
China and South Korea Tighten Crypto Regulations
And coming to the last outstanding news from the crypto regulatory field. As we stated multiple times, regulation remains a central theme in crypto.
This week, China and South Korea introduced new restrictions on the crypto market, aiming to curb speculative trading and strengthen oversight.
According to one of the agency’s sources, the agency’s instructions are aimed at strengthening risk management. The authorities want to make sure that the projects are backed by real business.
Beijing’s initiative contrasts with Hong Kong’s policy. Over the past year, the city authorities have been actively working on turning it into a hub for digital assets. At the same time, mainland China has banned trading and mining of cryptocurrencies since 2021.
Meanwhile, South Korea has recorded a record number of suspicious cryptotransactions (STR). From January to August 2025, local virtual asset service providers filed 36,684 STR reports. This is more than in 2023 and 2024 combined.
Final Thought
This week’s crypto news highlights the balance between innovation and regulation. While Ethereum and BNB Chain are moving fast to scale and lower costs, governments like China and South Korea continue to impose stricter controls.
Meanwhile, projects like Rainbow and Base show how Web3 ecosystems are maturing with tokens, acquisitions, and Layer-2 solutions.
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