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Dado Ruvic | Reuters

The first bitcoin upgrade in four years has just gone live. It is a rare moment of consensus among stakeholders, and it’s a big deal for the world’s most popular cryptocurrency. 

The Taproot update means greater transaction privacy and efficiency – and crucially, it will unlock the potential for smart contracts, which can be used to eliminate middlemen from transactions. 

“Taproot matters, because it opens a breadth of opportunity for entrepreneurs interested in expanding bitcoin’s utility,” said Alyse Killeen, founder and managing partner of bitcoin-focused venture firm Stillmark.

Unlike bitcoin’s 2017 upgrade – referred to as the “last civil war” because of the contentious ideological divide separating adherents – Taproot has near universal support, in part because these changes involve fairly incremental improvements to the code.

What’s changing

A big part of bitcoin’s makeover has to do with digital signatures, which are like the fingerprint an individual leaves on every transaction.

Right now, the cryptocurrency uses something called the “Elliptic Curve Digital Signature Algorithm,” which creates a signature from the private key that controls a bitcoin wallet, and ensures that bitcoin can only be spent by the rightful owner.

Taproot will add something known as Schnorr signatures, which essentially makes multi-signature transactions unreadable, according to bitcoin miner Alejandro De La Torre.

It won’t translate to greater anonymity for your individual bitcoin address on the public blockchain, but it will make simple transactions indistinguishable from those that are more complex and comprised of multiple signatures. 

In practice, that means greater privacy, because your keys won’t have as much exposure on the chain. “You can kind of hide who you are a little bit better, which is good,” said bitcoin mining engineer Brandon Arvanaghi, who now runs Meow, a company that enables corporate treasury participation in crypto markets.

Smart contracts

These souped-up signatures are also a game changer for smart contracts, which are self-executing agreements that live on the blockchain. Smart contracts could theoretically be used for practically any kind of transaction, from paying your rent each month, to registering your vehicle.

Taproot makes smart contracts cheaper and smaller, in terms of the space they take up on the blockchain. Killeen says that this enhanced functionality and efficiency presents “mind blowing potential.” 

Currently, smart contracts can be created both on bitcoin’s core protocol layer and on the Lightning Network, a payments platform built on bitcoin, which enables instant transactions. Smart contracts executed on the Lightning Network typically lead to faster and less costly transactions.

“Lightning transactions can be fractions of a penny…while a bitcoin transaction at the core protocol layer can be much more expensive than that,” explained Killeen.

Developers had already begun to build on Lightning in anticipation of the upgrade, which will allow for highly specific contracts.

“The most important thing for Taproot is…smart contracts,” said Fred Thiel, CEO of cryptocurrency mining specialist Marathon Digital Holdings. “It’s already the primary driver of innovation on the ethereum network. Smart contracts essentially give you the opportunity to really build applications and businesses on the blockchain.”

As more programmers build smart contracts on top of bitcoin’s blockchain, bitcoin could become more of a player in the world of DeFi, or decentralized finance, a term used to describe financial applications designed to cut out the middleman.

Today, ethereum dominates as the blockchain of choice for these apps, also referred to as “dApps.”

Why the wait

Although the bitcoin community agreed to lock in the upgrade in June, the rollout itself didn’t happen until November. The couple month delay was designed to give enough time for testing and reducing the likelihood of something going wrong during the upgrade.

“Upgrades allow the – extremely remote – possibility of a bug entering the system, which would destroy confidence in the whole cryptocurrency system, effectively wiping it out – a ‘self-inflicted wound’ if you like,” said Jason Deane, an analyst at Quantum Economics.

Deane says this is why upgrade processes are so carefully tested, retested, and vetted over very long periods of time.

Many users in the community also remember the disastrous migration of 2013, when an upgrade gone wrong resulted in bitcoin temporarily splitting in half.

“You don’t want different clients or miners in the protocol out of sync. That’s how catastrophic stuff happens,” Nic Carter, founding partner at Castle Island Ventures, told CNBC. “Because we don’t want a repeat of 2013, we have these extremely long lead times.” 

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Meta slapped with child safety probe under sweeping EU tech law

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Meta slapped with child safety probe under sweeping EU tech law

Mark Zuckerberg, CEO of Meta testifies before the Senate Judiciary Committee at the Dirksen Senate Office Building on January 31, 2024 in Washington, DC.

Alex Wong | Getty Images

Facebook parent company Meta on Thursday was hit with a major investigation from the European Union into alleged breaches of the bloc’s strict online content law over child safety risks.

The European Commission, the EU’s executive body, said in a statement that it is investigating whether the social media giant’s Facebook and Instagram platforms “may stimulate behavioural addictions in children, as well as create so-called ‘rabbit-hole effects’.”

The Commission added that it is concerned about age verifications on Meta’s platforms, as well as privacy risks linked to the company’s recommendation algorithms.

“We want young people to have safe, age-appropriate experiences online and have spent a decade developing more than 50 tools and policies designed to protect them,” a Meta spokesperson told CNBC by email.

“This is a challenge the whole industry is facing, and we look forward to sharing details of our work with the European Commission.”

The Commission said that its decision to initiate an investigation comes of the back of a preliminary analysis of risk assessment report provided by Meta in September 2023.

Thierry Breton, the EU’s commissioner for internal market, said in a statement that the regulator is “not convinced [that Meta] has done enough to comply with the DSA obligations to mitigate the risks of negative effects to the physical and mental health of young Europeans on its platforms.”

The EU said it will carry out an in-depth investigation into Meta’s child protection measures “as a matter of priority.” The bloc can continue to gather evidence via requests for information, interviews, or inspections.

The initiation of a DSA probe allows the EU to take further enforcement steps, including interim measures and non-compliance decisions, the Commission said. The Commission added it can also consider commitments made by Meta to remedy its concerns.

Meta and fellow U.S. tech giants have been increasingly finding themselves in the spotlight of EU scrutiny since the introduction of the bloc’s landmark Digital Services Act, a ground-breaking law from the European Commission seeking to tackle harmful content.

Under the EU’s DSA, companies can be fined up to 6% of their global annual revenues for violations. The bloc is yet to issue fines to any tech giants under its new law.

In December 2023, the EU opened infringement proceedings into X, the company previously known as Twitter, over suspected failure to combat content disinformation and manipulation.

The Commission is also investigating Meta over alleged infringements of the DSA related to its handling of election disinformation.

In April, the bloc launched a probe into the firm and said it’s concerned Meta hasn’t done enough to combat disinformation ahead of upcoming European Parliament elections.

The EU is not the only authority taking action against Meta over child safety concerns.

In the U.S., the attorney general of New Mexico is suing the firm over allegations that Facebook and Instagram enabled child sexual abuse, solicitation, and trafficking.

A Meta spokesperson at the time said that the company deploys “sophisticated technology” and takes other preventive steps to root out predators.

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Microsoft offers relocation to hundreds of China-based AI staff amid U.S.-China tech tensions

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Microsoft offers relocation to hundreds of China-based AI staff amid U.S.-China tech tensions

A man walks past Microsoft’s local headquarters in Beijing on July 20, 2021. 

Noel Celis | Afp | Getty Images

Microsoft has reportedly asked China-based cloud computing and artificial intelligence operations employees to consider relocating out of the country, as Washington cracks down on Beijing’s access to the advanced technology. 

The Wall Street Journal broke the story on Thursday, reporting that the staff, mostly comprising Chinese engineers, had been offered the opportunity to transfer to countries including the U.S., Ireland, Australia, and New Zealand, according to unnamed sources. 

One source told WSJ that Microsoft had made the offer to about 700 to 800 people in total who were involved in machine learning and other work related to cloud computing. 

CNBC could not independently verify the report.

In a statement shared with CNBC, a Microsoft spokesperson confirmed that the company had “shared an optional internal transfer opportunity with a subset of employees” without supplying details on the number and affiliation of staff affected.

“We remain committed to the region and will continue to operate in this and other markets where we have a presence,” the spokesperson said, adding that the potential transfers would not impact operations.

Microsoft employs roughly 7,000 engineers for its Asia-Pacific research-and-development group, with most of this workforce based in China, the WSJ reports.

The move comes amid U.S. efforts to prevent China from developing cutting-edge AI technology, which could be used for military purposes. In the past two years, the U.S. has placed waves of restrictions on China limiting its ability to buy advanced chips and chip-making equipment that can be deployed to train AI models. 

Watch CNBC's full interview with Jefferies' Brent Thill on Microsoft and Alphabet earnings

Now, the Biden administration is looking to place new guardrails on the export of advanced AI models, such as the large language model that powers Microsoft-backed ChatGPT, according to recent reports. 

There is currently little government oversight stopping companies like Microsoft, one of the U.S.’s largest cloud-computing and AI players, from selling or offering AI model services to foreign entities. 

The U.S. reportedly fears that AI models, which mine vast amounts of data to generate content, could be used for cyber attacks or to create biological weapons.

Earlier this year, Microsoft released a report stating that state-backed hackers from Russia, China, and Iran had been using tools from OpenAI to hone their skills and support their hacking campaigns. 

Microsoft has been deeply ingrained in China for more than three decades, even as other Western tech companies were pushed out by strict regulation. The company says that China is home to its largest R&D center outside of the U.S.

Read the full report from Wall Street Journal.

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India ‘very favorable’ for IPOs, Peak XV says, as economy and investor sentiment stay strong

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India 'very favorable' for IPOs, Peak XV says, as economy and investor sentiment stay strong

Shailendra Singh, managing director of Peak XV Partners.

Lionel Ng | Bloomberg | Getty Images

India offers a “very favorable” environment for companies to launch initial public offerings, said Shailendra Singh, managing director at Peak XV Partners, formerly Sequoia Capital India & Southeast Asia.

“My general view is, especially in Indian public markets, the regulatory framework, what Securities and Exchange Board of India does, what Reserve Bank of India does, what other regulators do is actually really good,” Singh told CNBC.

Singh, who has been at the VC firm for 18 years and led it since 2011, said India has created “a very favorable environment” for companies to list there. “It’s both safe and dynamic in India for a young company to be able to go public.”

There were 220 IPOs in India last year, up 48% from 2022, making it the second-largest IPO market in the world, according to an EY report. Though Mainland China took the top spot, the number of IPOs there slid 29% to 302.

The Indian IPO market is set to remain strong in 2024, buoyed by optimistic investor sentiment, a robust economy, and expectations of lower inflation and rate cuts, EY said.

“The Indian capital markets have evolved quite a bit. The markets have deepened in terms of liquidity. There’s lots of interest in tech companies coming up because … we are beginning to see a large number of companies with triple-digit million revenues and profits,” Singh said.

Businesses will look for ways to drive revenue through AI, says venture capital firm

India is emerging as a bright spot amid global macroeconomic uncertainty, mainly driven by optimism over the country’s resilient economic fundamentals, KPMG said last month in its report “IPOs in India.”

On why some Indian firms prefer to list locally, Singh said: “Founders are realizing that the U.S. markets may not always understand Indian companies.”

As many as 20 companies including Zomato and Mamaearth in Peak XV’s portfolio have listed via IPOs, the firm said. Peak XV Partners, one of Asia’s largest tech investors, manages $9 billion in assets.

In June, Sequoia divided its global partnership into three independent units, namely Sequoia Capital in the U.S. and Europe, Peak XV Partners in India and Southeast Asia and HongShan in China.

The venture capital firm has invested in more than 400 companies across the technology, software, financial services and consumer sectors including India’s fintech firm Pine Labs, Indonesian coffee chain Kopi Kenangan, Singapore-based online marketplace Carousell and edtech companies Byju’s and Unacademy.

Favorite sectors in India

India has multiple “pretty exciting” investment areas, Singh said, naming cross-border software, fintech and consumer as the firm’s biggest sectors for investments.

Cross-border software is a key area Peak XV is betting on, given the potential of software companies being built in India for the whole world, he said.

“Our second-[biggest] sector tends to be fintech. We are a very strong fintech investor. I think India is one of the world’s most fertile markets because of Aadhaar, UPI and the India stack.”

In the consumer-centric sector, he listed consumer brands, ed-tech and healthcare as the the firm’s focus for investments.

“We will see plenty of good education companies being built in the long-term,” Singh said, given that consumers in places like India and China understand that the path to upward social mobility is through education.

There are also emerging areas such as deep tech and semiconductors, which are interesting though it’s still early days, he said. “We are [just] starting to make bets.”

Watch CNBC's full interview with Shailendra Singh, managing director of Peak XV Partners, one of Asia's biggest venture capital firms

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