Ai and Blockchain

Bitcoin wallet reactivated after several years of dormancy and bought BTC immediately

Spot XRP ETF has no reason to be denied, declares Wall Street pro

BNB Chain just completed its 31st BNB token burn

Staggering amount of XRP changes hands, intrigued community goes buzzing

ESP32 chip might become source of problems for many cryptocurrency wallets

“Dr. Doom” previously predicted that the price of Bitcoin could crash to $10,000

The launch of a futures-based XRP ETF is expected to happen by the end of April

Ethereum co-founder Vitalik Buterin said privacy should be a top priority for developers, warning that assumptions about transparency and good intentions in global politics are overly optimistic.In an April 14 blog post, Buterin argued that privacy is essential to maintain individual freedom and protect against the growing power of governments and corporations. He criticized the idea that increased transparency is inherently beneficial, saying it relies on assumptions about human nature that are no longer valid.These assumptions include believing that global political leadership is “generally well-intentioned and sane,” and that social culture continues to progress in a positive direction.” Both are proving to be increasingly untrue, Buterin argued.Buterin claimed there was “no single major country for which the first assumption is broadly agreed to be true.” Furthermore, he wrote that cultural tolerance is “rapidly regressing,” which is reportedly demonstrable by an X post search for “bullying is good.” Buterin’s personal privacy issuesButerin said that he found his lack of privacy unsettling at times. He added:“Every single action I take outside has some nonzero chance of unexpectedly becoming a public media story.”Covertly taken photos of Vitalik Buterin. Source: Vitalik.ethWhile this may appear as a suggestion that privacy is an advantage only for those who venture outside the social norms, he highlighted that “you never know when you will become one of them.”Buterin only expects the need for privacy to increase as technology develops further, with brain-computer interfaces potentially allowing automated systems to peer directly into our brains. Another issue is automated price gouging, with companies charging individuals as much as they expect them to be able to pay.Related: Messaging apps are spying on you — Here’s how to stay safe in 2025There is no privacy with government backdoorsButerin also argued strongly against the idea of adding government backdoors to systems designed to protect privacy. He said such positions are common but inherently unstable.He highlighted how, in the case of Know Your Customer data, “it’s not just the government, it’s also all kinds of corporate entities, of varying levels of quality” that can access private data. Instead, the information is handled and held by payment processors, banks, and other intermediaries.Similarly, telecommunication companies can locate their users and have been found to illegally sell this data. Buterin also raised concerns that individuals with access will always be incentivized to abuse it, and data banks can always be hacked. Lastly, a trustworthy government can change and become untrustworthy in the future, inheriting all the sensitive data. He concluded:“From the perspective of an individual, if data is taken from them, they have no way to tell if and how it will be abused in the future. By far the safest approach to handling large-scale data is to centrally collect as little of it as possible in the first place.“Related: Privacy will unlock blockchain’s business potentialAuthorities have more data than everButerin raised the issue of governments being able to access anything with a warrant “because that‘s the way that things have always worked.” He noted that this point of view fails to consider that historically, the amount of data available for obtaining through a warrant was far lower.He said the traditionally available data would still be available even “if the strongest proposed forms of internet privacy were universally adopted.” He wrote that “in the 19ᵗʰ century, the average conversation happened once, via voice, and was never recorded by anyone.”Buterin’s proposed solutionsButerin suggested solutions based mainly on zero-knowledge proofs (ZK-proofs) because they allow for “fine-grained control of who can see what information.” ZK-proofs are cryptographic protocols that allow one party to prove a statement is true without revealing any additional information.One such system is a ZK-proof-based proof of personhood that proves you are unique without revealing who you are. These systems rely on documents like passports or biometric data paired with decentralized systems.Another solution suggested is the recently launched privacy pools, which allow for regulatory-compliant Ether (ETH) anonymization. Buterin also cited on-device anti-fraud scanning, checking incoming messages and identifying potential misinformation and scams.These systems are proof of provenance services for physical items using a combination of blockchain and ZK-proof technology. They track various properties of an item throughout its manufacturing cycle, ensuring the user of its authenticity.The post follows Buterin’s recent privacy roadmap for Ethereum. In it, he highlighted the short-term changes to the base protocol and ecosystem needed to ensure better user privacy.Magazine: Cypherpunk AI: Guide to uncensored, unbiased, anonymous AI in 2025

Developers behind the Ethereum layer 2 Aztec Network have launched a whistleblowing platform called StealthNote that allows workers to vent about their employer without revealing themselves.StealthNote uses zero-knowledge proofs to prove that posts on its platform are written by someone with access to an email address of the company that they’re reviewing.Aztec Labs developer Saleel Pichen wrote in an April 14 X post that StealthNote creates a zero-knowledge proof of a Google JSON Web Token, which is used to authenticate users and allows the platform to prove a poster owns “an email from a company domain without revealing any personal info.”Two of the latest posts on StealthNote from personnel at Aztec Labs and Cornell University. Source: StealthNote.xyzAccording to Aztec’s documentation, the privacy solution had been in development since at least Oct. 22, while the first test post from Aztec occurred about three months ago.Workers from Ethereum Foundation, StarkWare and Scroll as well as Columbia and Cornell universities have made posts on StealthNote, primarily sharing greetings and voicing their support for privacy solutions.“Let’s make privacy cool again,” a worker from Nim Network wrote.ZK-proofs needed more than ever, says ButerinZK-proofs have become an increasingly used privacy solution in the internet age as concerns over data security and government surveillance continue to grow.The concerns were raised in an April 14 blog post by Ethereum co-creator Vitalik Buterin, who criticized the assumption that governments are generally well-intentioned when it comes to sacrificing privacy for a more “transparent society.” Related: Vitalik Buterin unveils roadmap for Ethereum privacyHe championed ZK-proofs as a solution to mitigate this trade-off, highlighting the technology’s ability to provide “fine-grained control of who can see what information.”Related: Vitalik Buterin unveils roadmap for Ethereum privacyThe privacy-focused Aztec Network launched on Ethereum in February 2020. The firm raised $100 million in Series B funding led by the tech-focused venture capital firm Andreessen “a16z” Horowitz in December 2022, with A Capital and King River also contributing.Magazine: Financial nihilism in crypto is over — It’s time to dream big again

Healthcare technology firm Semler Scientific has reported paper losses on its Bitcoin holdings over the first quarter of this year as the cryptocurrency saw a heavy correction. The firm reported a preliminary unrealized loss from the change in fair value of Bitcoin holdings of approximately $41.8 million since Dec. 31, according to a filing with the Securities and Exchange Commission on April 15.Semler declared holdings of 3,182 Bitcoin (BTC) valued at around $263.5 million as of March 31. During the three-month period, BTC prices fell 12% from $93,500 at the beginning of January to $82,350 by the end of March. The full correction from its all-time high to the low below $75,000 on April 7 stands at 32%. Semler reported expected revenues of $8.8 to $8.9 million and operational losses of $1.3 to $1.5 million for the period. It held cash and cash equivalents of approximately $10 million as of March 31.In November, Semler Scientific CEO Doug Murphy-Chutorian said, “We remain laser-focused on acquiring and holding Bitcoin while supporting innovation and growth in our healthcare business.” Semler is the twelfth largest corporate holder of BTC, ahead of Hong Kong gaming firm Boyaa Interactive International Limited, according to Bitbo data. Semler also reported that it had reached an agreement in principle to pay almost $30 million to settle claims related to a civil investigation by the Department of Justice.Semler floats $500 million securities sale In a separate April 15 SEC filing, the firm outlined its plan to offer and sell securities worth up to $500 million, in part to continue its Bitcoin acquisition strategy.Related: Healthcare tech firm Semler buys 871 Bitcoin, yield tops 150%“We may offer and sell securities from time to time in one or more offerings, up to an aggregate value of $500,000,000,” it stated. Semler’s common stock is listed on the Nasdaq under the symbol SMLR.“Our stock price has been volatile and may continue to be volatile,” the firm cautioned. Shares in the medical firm have fallen 36% since the beginning of 2025. SMLR price year-to-date. Source: Google FinanceSemler intends to use the net proceeds from the securities sale “primarily for general corporate purposes, including the acquisition of Bitcoin,” it revealed. Magazine: Bitcoin eyes $100K by June, Shaq to settle NFT lawsuit, and more: Hodler’s Digest