The report stated that a subnetwork of Bitcoin nodes is largely responsible for reaching consensus and communicating with miners and that a “vast majority of nodes do not meaningfully contribute to the health of the network.
The authors also found vulnerabilities in the infrastructure, based on the fact that Bitcoin protocol traffic is unencrypted and 60% of the network traffic traverses only three ISPs. Trail of Bits is a cybersecurity research and consulting firm that was engaged by DARPA to develop the report.
Twitter has begun testing a new feature called " Notes" The feature will allow users to write and publish long-form content on the social media platform. Twitter says Notes can be read on and off Twitter by people in most countries. A small group of writers in the U.S., Canada, Ghana and the UK now have access to Notes.
Input Output Hong Kong (IOHK), the blockchain engineering firm behind the Cardano network, has released some “disappointing news,” announcing a one-month delay to the long-awaited Vasil upgrade. The Vasil upgrade is set to provide a “massive performance improvement to Cardano” and its smart contract capabilities, according to Cardano co-founder Charles Hoskinson. It was previously slated to go through on June 29. However, the latest estimate is now set for the last week of July.
Ian Harnett, co-founder of Absolute Strategy Research, said past crypto rallies show bitcoin tends to fall roughly 80% from all-time highs. Such a drop in 2022 would likely drag the world’s biggest token down to $13,000 — a “key support area,” according to Harnett. The crypto world is on edge as investors grapple with the impact of higher interest rates and liquidity issues at major industry players.
Amazon's Alexa voice assistant can now replicate a specific human voice. The feature is in development, and Amazon has not said when it will be rolled out to the public. It could be used to help memorialize a deceased family member, an Amazon scientist said.
Russian intelligence agencies have increased the pace of cyberattacks against nations that have provided aid to Ukraine, according to new research published Wednesday by Microsoft Corp., which said it had observed Moscow-backed hacking attempts in over 40 countries. Much of the malicious cyber activity linked to the Kremlin took aim at governments that are part of the North Atlantic Treaty Organization for espionage, and targets also included nongovernmental organizations, think tanks and humanitarian groups providing support to Ukrainian refugees, as well as information-technology and energy firms, Microsoft said.
FedEx will soon take photos of packages at your doorstep to provide proof of delivery. The service will be available for both FedEx Express and FedEx Ground delivery customers. The company says it will launch in select markets in the US and Canada in time for the holiday shipping season.
Apple is rolling out junk SMS messages to certain carriers. The feature will be included in the iOS 16 beta 2 update, which was released to developers today. Users who flag SMS messages as junk will be sending the number and content of the text to Apple and their phone or device's carrier.
South Korea conducted its first successful satellite launch using a domestically developed rocket, placing a functioning "performance verification" satellite at a target altitude of 700 kilometers after its 4 p.m. lif toff from a southern island. The launch made South Korea the world's 10th nation to place a satellite into space with its own technology.
Amazon is expanding its quantum computing efforts to quantum networking. The company has announced the AWS Center for Quantum Networking. Researchers will work on new technologies to allow for the creation of global quantum networks. The center will develop hardware, software and apps for quantum networks in the coming years.
Twitter's board is asking shareholders to vote for the $44 billion takeovers of Elon Musk. Twitter's board wants the company's share price to complete the $44 billion Elon Musk takeover, recommending that shareholders approve the deal. The company's share price is around $38.12 — much lower than Musk's offer price of $54.20 a share. Earlier this month, Twitter gave Musk access to its full "firehose" to check the percentage of bots on the social network.