World Sport News

World Sport News

World Sport News

World Sport News

Vitalik Buterin spoke about the role of ZK-Rollups in Ethereum scalability

Vitalik Buterin published a "likely roadmap" for the development of Ethereum, following which the network of the second largest cryptocurrency by capitalization will be able to increase scalability, while remaining reliable and resistant to censorship. Central to the concept is the ZK-Rollups technology. According to Buterin, the "medium large blockchain" is characterized by frequent generation of large blocks and high throughput ("thousands of transactions per second") with low decentralization. This is due to the fact that due to the size of the blocks and, as a result, the operating costs, only a few nodes are fully involved in their production. The founder of Ethereum noted that Rollups improves the efficiency of block validation, but does not solve the problem of their centralized generation. In his opinion, there are two possible options for the full-scale implementation of the technology: either "everyone will switch" to one Rollup, or network activity will be distributed among several solutions. In the first case, it is necessary that sharding is implemented at the first level of Ethereum, and the blockchain must be able to store all the data of the dominant solution, distributing it between its segments. “We're getting a world where block production is centralized, verification is trustless and decentralized, and censorship is still prevented. Block producers have to process a huge number of transactions, so it is difficult to enter this market, but they do not have the ability to push invalid blocks, "concluded Buterin. An alternative scenario assumes that none of the Rollups projects were able to capture most of the Ethereum network activity. In this case, the ecosystem will have a structure similar to Cosmos, that is, it will be represented by several independent blockchains. Cross-chain bridges will provide the connection between these segments. “It seems that this approach will allow us to get everything: decentralized validation, reliable protection against censorship and even distributed block production, since all Rollups are small and easy to start operations in them. But decentralization of block production may prove short-lived due to the possibility of cross-domain MEV, ”wrote the founder of Ethereum. Buterin explained that an architecture that allows blocks to be generated simultaneously “across multiple domains” creates opportunities for arbitration. In addition, he said, there is a risk that the same people will control the production of blocks on all domains. The Ethereum founder added that possible solutions could be a "block mining auction mechanism", the implementation of "censorship-resistant bypass channels" in Rollups, or a combination of both. All proposals are for PBS mainnet implementation. According to Buterin, the ETH blockchain is "open to all options" as its roadmap is focused on Rollups. Therefore, its supporters "do not need to choose the winners." He also stressed that this technology will require "years of refinement and audits."


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Putin and Modi agreed to help Afghanistan and restore pre-pandemic flights

The leaders of Russia and India, after the talks in New Delhi, adopted a joint statement. Vladimir Putin and Narendra Modi agreed to immediately provide humanitarian assistance to the Afghan people. The President of Russia and the Prime Minister of India expressed their support for a peaceful, secure and stable Afghanistan, stressing the need to respect the sovereignty, unity and territorial integrity of the country and ensure non-interference in its internal affairs. The leaders declared their firm commitment to the fight against terrorism in all its forms and manifestations, and expressed the hope that Afghanistan will never be a "safe haven" for global terrorism. Putin and Modi also expressed confidence that the early mutual recognition of certificates of vaccination against coronavirus will contribute to the growth of mutual travel of citizens of the two countries, and agreed to speed up the implementation of formalities. In addition, they decided to consider restoring direct passenger and cargo flights to pre-pandemic levels.


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Russian Federation and India approved a program of military-technical cooperation until 2030

An intergovernmental agreement was signed in New Delhi on Monday on a program of military-technical cooperation between Russia and India until 2030. In the presence of the defense ministers of the two countries, the document was signed by the head of the Federal MTC Service Dmitry Shugaev and the deputy head of the Indian defense department for military procurement Kant Rag. After a meeting with Russian Defense Minister Sergei Shoigu, his Indian counterpart, Rajnath Singh, tweeted that a number of agreements, contracts, protocols have been concluded regarding small arms and military cooperation. And our military department limited itself to declaring that the document signed in India "implies cooperation between the branches and arms of the troops, as well as issues of supply and development of weapons and military equipment." The head of the Federal MTC Service Dmitry Shugaev made some clarity later. He said that a contract has been signed for the production of AK-203 assault rifles in India. The volume of production is over 600 thousand pieces. “Now that the contract has been signed, we are ready to begin production of modern AK-203s in the city of Corva within the next few months,” TASS quoted the words of Vladimir Lepin, general director of Kalashnikov. In general, India is one of the main buyers of our weapons. Over the course of three decades, it has acquired about $ 70 billion in arsenal from Russia. And the volume of the portfolio of military orders exceeds 14 billion. Moscow, in particular, has a contract with New Delhi for the supply by the end of 2024 of five regimental sets of the latest S-400 anti-aircraft missile system. Military contracts are the most important, but far from the only area of ​​bilateral relations between Russia and India. It is no coincidence that the privileged strategic partnership between the two countries was much talked about yesterday both during the consultations in the "2 + 2" format with the participation of the heads of the defense and foreign affairs agencies, and at the 20th meeting of the Russian-Indian intergovernmental commission on military and military-technical cooperation. Shoigu recalled that in defense matters, Russia and India have been fruitfully in contact at all levels for many years. As an example, he named the strengthening of ties between the general staffs and the branches of the armed forces, the expansion of the exchange of military delegations. "Work is underway in the field of military education," the Russian minister said. According to him, a special place in military cooperation is occupied by joint operational and combat training activities. "The Indra series exercises and participation in the International Army Games are a clear example of the military coordination and commonwealth of the armies of Russia and India," Shoigu said. The minister stressed that Moscow and New Delhi also maintain close military contacts in multilateral formats. First of all, within the framework of the Shanghai Cooperation Organization, the Meeting of ASEAN Ministers of Defense and Dialogue Partners (SMOA plus).


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Cryptocurrency Cardano has grown by 11%

Cardano was trading at $ 1.4521 at 10:02 AM (07:02 GMT) on the Investing.com Index on Tuesday, up 10.79% on the day. This was the sharpest daily rise in cryptocurrency since December 2. This rise pushed Cardano's market cap to $ 48.3910B, 2.03% of the market cap of all cryptocurrencies. Earlier, at its peak, Cardano's capitalization was $ 94.8001B. In the past 24 hours, Cardano has traded in a range of $ 1.4199 to $ 1.4744. Over the past 7 days, Cardano has seen a drop in volume, as it shed 7.25%. The volume of Cardano in the last 24 hours was $ 2.7307B or 1.96% of the total volume of cryptocurrencies. It has traded in a range of $ 1.1972 to $ 1.7565 in the past 7 days. Currently, Cardano's price is still below 53.14% of its $ 3.10 peak, which was reached on September 2. Meanwhile, other cryptocurrencies Bitcoin was trading at $ 51.182.4 on the Investing.com Index, up 6.18% on the day. Ethereum traded at $ 4,367.31 on the Investing.com Index, a gain of 7.04%. Bitcoin's market cap was previously $ 967.2131B or 40.56% of the total market cap of all cryptocurrencies, while Ethereum's market cap was $ 517.7022B or 21.71% of the total cryptocurrency market.


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A contract was signed for the production of AK-203 assault rifles in India

On Monday, a contract was signed in New Delhi for the production of AK-203 Kalashnikov assault rifles in India. Director of the Federal Service for Military-Technical Cooperation Dmitry Shugaev announced this on the air of the Russia 24 TV channel. He called the document long-awaited. Shugaev did not speak about the details of the contract. However, the Нindustan Times newspaper reported a little earlier that the agreement, in particular, provides for the joint production of more than 500 thousand AK-203 assault rifles. Even the amount of the deal was named - over $ 677 million. The press service of "Kalashnikov" announced more precise figures - over 600 thousand 7.62 mm assault rifles. "Russian and Indian specialists have done a lot of preparatory work over three years to optimize the price and technological parameters of the project. Now that the contract has been signed, we are ready to start production of modern AK-203 in the city of Corva in the coming months," the press service quoted TASS as saying the words of the general director of "Kalashnikov" Vladimir Lepin. Dmitry Shugaev explained that due to the signed contract, the needs of the national Armed Forces of India will be almost completely met. "But the most important thing is that India is acquiring competence with the help of Russian partners in the production of small arms," ​​the head of the Federal Service for Military-Technical Cooperation emphasized. According to Shugaev, the machine is not inferior to its competitors, and even surpasses in many characteristics. Therefore, this is also a very important event for the Russian industry. “AK-203 is one of our newest assault rifles. productions in other countries, but there are AK-203 models. First of all, the main task is to provide the national armed forces with these small arms. Third countries - well, probably in the future, "Shugaev believes. In addition, according to him, Russia and India are negotiating an increase by 50 units of licensed production of Su-30MKI fighters, which are very successful in the national air force. Shugaev also said that Moscow and New Delhi are discussing the possibility of exporting to third countries the products of the BrahMos joint venture, which specializes in the development of missiles for various purposes. And in the future - the signing of a contract for the supply and licensed production in India of portable anti-aircraft missile systems "Igla-S". This complex, in a tough competition, won the tender against the French Mistral and the Swedish RBS 70 NG. In general, India is one of the main buyers of Russian weapons. It is known that over the past 30 years, it has acquired from our country an arsenal worth about $ 70 billion. And the volume of the portfolio of military orders exceeds 14 billion. Moscow, in particular, has a contract with

New Delhi for the supply by the end of 2024 of five regimental sets of the S-400 anti-aircraft missile system.


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