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Coinbase data leak could put users in physical danger: TechCrunch founder

A recent data breach at crypto exchange Coinbase has raised concerns about user safety after hackers gained access to sensitive information, including home addresses.

Coinbase, the world’s third-largest cryptocurrency exchange, confirmed that less than 1% of its transacting monthly users were affected in an attack that may cost the exchange up to $400 million in reimbursement expenses, Cointelegraph reported on May 15.

However, the “human cost” of this data breach may be much higher for users, according to Michael Arrington, the founder of TechCrunch and Arrington Capital.

“Very disappointed in Coinbase right now. Using the cheapest option for customer service has its price,” Arrington said in a May 20 X post, adding:

“Something that has to be said though – this hack – which includes home addresses and account balances – will lead to people dying. It probably has already.”

Coinbase data leak could put users in physical danger: TechCrunch founder
Source: Michael Arrington

While no passwords, private keys or account funds were exposed, cybercriminals reportedly bribed overseas customer service contractors to access internal systems. This allowed them to steal personal data that could be used in social engineering scams or even physical extortion attempts.

Related: Hoskinson promises audit, is ‘deeply hurt’ by $600M Cardano treasury claims

With Bitcoin (BTC) trading above $100,000, crypto wealth has become a growing target for criminals. Experts warn that leaked address data could expose high-net-worth individuals to real-world risks.

On May 16, Cointelegraph reported on six violent robberies that targeted cryptocurrency investors, aiming to extort digital assets via kidnapping or torture.

In a ruthless attack on May 4, the father of a French crypto entrepreneur was abducted in Paris, France. The kidnappers cut the victim’s finger and sent a video to his son, demanding 5 million euros in crypto.

The victim was held for two days before French police were able to find and rescue him. According to CNN, five people were arrested in connection with the kidnapping. 

Related: US crypto funds top $7.5B inflows in 2025 as investor appetite grows

Crypto exchanges need “layered” cybersecurity

To prevent similar user data breaches, crypto exchanges need to adopt a “layered defense strategy,” according to Ronghui Gu, the co-founder of CertiK Web3 security firm.

“This can include privileged access management, zero trust architecture, multifactor authentication across internal systems, and continuous monitoring with behavioral analytics,” Gu told Cointelegraph, adding: 

“Preventive measures such as regular phishing simulations, tailored security training, and restricting third-party access to sensitive systems may help reduce these risks.”

However, crypto platforms will need to “rethink their security posture” as attackers “increasingly target human vulnerabilities rather than technical ones,” added Gu, warning of the rising threat of social engineering schemes.

Coinbase data leak could put users in physical danger: TechCrunch founder
Incidents and losses in 2024 by month. Source: CertiK

Social engineering schemes, such as phishing scams, were the most significant security threat of 2024, costing the industry over $1 billion across 296 incidents, according to CertiK.

Magazine: Altcoin season to hit in Q2? Mantra’s plan to win trust: Hodler’s Digest, April 13 – 19

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US CLARITY bill could allow Tesla and Meta to evade SEC rules — Senator Warren

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US CLARITY bill could allow Tesla and Meta to evade SEC rules — Senator Warren

US CLARITY bill could allow Tesla and Meta to evade SEC rules — Senator Warren

The legislation to establish crypto market structure is one of three bills the US House of Representatives is expected to consider starting next week.

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What is a wealth tax, how would it work in the UK and where else has one?

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What is a wealth tax, how would it work in the UK and where else has one?

The idea of a wealth tax has raised its head – yet again – as the government attempts to balance its books.

Downing Street refused to rule out a wealth tax after former Labour leader Lord Kinnock told Sky News he thinks the government should introduce one.

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Lord Kinnock calls for ‘wealth tax’

Sir Keir Starmer’s spokesman said: “The prime minister has repeatedly said those with the broadest shoulders should carry the largest burden.”

While there has never been a wealth tax in the UK, the notion was raised under Rishi Sunak after the COVID years – and rejected – and both Harold Wilson’s and James Callaghan’s Labour governments in the 1970s seriously considered implementing one.

Sky News looks at what a wealth tax is, how it could work in the UK, and which countries already have one.

Chancellor Rachel Reeves and Prime Minister Sir Keir Starmer at the launch of the 10-year health plan in east London. Pic: PA
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Will Chancellor Rachel Reeves and Prime Minister Sir Keir Starmer impose a wealth tax? Pic: PA

What is a wealth tax?

A wealth tax is aimed at reducing economic inequality to redistribute wealth and to raise revenue.

It is a direct levy on all, or most of, an individual’s, household’s or business’s total net wealth, rather than their income.

The tax typically includes the total market value of assets, including savings, investments, property and other forms of wealth – minus a person’s debts.

Unlike capital gains tax, which is paid when an asset is sold at a profit, a wealth tax is normally an annual charge based on the value of assets owned, even if they are not sold.

A one-off wealth tax, often used after major crises, could also be an option to raise a substantial amount of revenue in one go.

Read more:
No wealth tax under a Labour govt, Rachel Reeves said in 2023

UN criticises Starmer’s welfare reforms and warns measures will ‘increase poverty rates’

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Wealth tax would be a ‘mistake’

How could it work in the UK?

Advocates of a UK wealth tax, including Lord Kinnock, have proposed an annual 2% tax on wealth above £10m.

Wealth tax campaign group Tax Justice UK has calculated this would affect about 20,000 people – fewer than 0.04% of the population – and raise £24bn a year.

Because of how few people would pay it, Tax Justice says that would make it easy for HMRC to collect the tax.

The group proposes people self-declare asset values, backed up by a compliance team at HMRC who could have a register of assets.

Which countries have or have had a wealth tax?

In 1990, 12 OECD (Organisation for Economic Co-operation and Development) countries had a net wealth tax, but just four have one now: Colombia, Norway, Spain and Switzerland.

France and Italy levy wealth taxes on selected assets.

Colombia

Since 2023, residents in the South American country are subject to tax on their worldwide wealth, but can exclude the value of their household up to 509m pesos (£92,500).

The tax is progressive, ranging from a 0.5% rate to 1.5% for the most wealthy until next year, then 1% for the wealthiest from 2027.

Bogota in Colombia, which has a wealth tax
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Bogota in Colombia, which has a wealth tax

Norway

There is a 0.525% municipal wealth tax for individuals with net wealth exceeding 1.7m kroner (about £125,000) or 3.52m kroner (£256,000) for spouses.

Norway also has a state wealth tax of 0.475% based on assets exceeding a net capital tax basis of 1.7m kroner (£125,000) or 3.52m kroner (£256,000) for spouses, and 0.575% for net wealth in excess of 20.7m kroner (£1.5m).

Norway has both a municipal and state wealth tax. Pic: Reuters
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Norway has both a municipal and state wealth tax. Pic: Reuters

The maximum combined wealth tax rate is 1.1%.

The Norwegian Labour coalition government also increased dividend tax to 20% in 2023, and with the wealth tax, it prompted about 80 affluent business owners, with an estimated net worth of £40bn, to leave Norway.

Spain

Residents in Spain have to pay a progressive wealth tax on worldwide assets, with a €700,000 (£600,000) tax free allowance per person in most areas and homes up to €300,000 (£250,000) tax exempt.

Madrid in Spain. More than 12,000 multimillionaires have left the country since a wealth tax was increased in 2022. Pic: Reuters
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Madrid in Spain. More than 12,000 multimillionaires have left the country since a wealth tax was increased in 2022. Pic: Reuters

The progressive rate goes from 0.2% for taxable income for assets of €167,129 (£144,000) up to 3.5% for taxable income of €10.6m (£9.146m) and above.

It has been reported that more than 12,000 multimillionaires have left Spain since the government introduced the higher levy at the end of 2022.

Switzerland

All of the country’s cantons (districts) have a net wealth tax based on a person’s taxable net worth – different to total net worth.

Zurich is Switzerland's wealthiest city, and has its own wealth tax, as do other Swiss cantons. Pic: Reuters
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Zurich is Switzerland’s wealthiest city, and has its own wealth tax, as do other Swiss cantons. Pic: Reuters

It takes into account the balance of an individual’s worldwide gross assets, including bank account balances, bonds, shares, life insurances, cars, boats, properties, paintings, jewellery – minus debts.

Switzerland also works on a progressive rate, ranging from 0.3% to 0.5%, with a relatively low starting point at which people are taxed on their wealth, such as 50,000 CHF (£46,200) in several cantons.

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Jingye and Whitehall officials hold talks over British Steel future

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Jingye and Whitehall officials hold talks over British Steel future

The Chinese owner of British Steel has held fresh talks with government officials in a bid to break the impasse over ministers’ determination not to compensate it for seizing control of the company.

Sky News has learnt that executives from Jingye Group met senior civil servants from the Department for Business and Trade (DBT) late last week to discuss ways to resolve the standoff.

Whitehall sources said the talks had been cordial, but that no meaningful progress had been made towards a resolution.

Money blog: €1 home goes on sale – but there are T&Cs

Jingye wants the government to agree to pay it hundreds of millions of pounds for taking control of British Steel in April – a move triggered by the Chinese group’s preparations for the permanent closure of its blast furnaces in Scunthorpe.

Such a move would have cost thousands of jobs and ended Britain’s centuries-old ability to produce virgin steel.

Jingye had been in talks for months to seek £1bn in state aid to facilitate the Scunthorpe plant’s transition to greener steelmaking, but was offered just half that sum by ministers.

More on British Steel

British Steel has not yet been formally nationalised, although that remains a probable outcome.

Jonathan Reynolds, the business secretary, has previously dismissed the idea of compensating Jingye, saying British Steel’s equity was essentially worthless.

Last month, he met his Chinese counterpart, where the issue of British Steel was discussed between the two governments in person for the first time.

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Inside the UK’s last blast furnaces

Jingye has hired the leading City law firm Linklaters to explore the recovery of hundreds of millions of pounds it invested in the Scunthorpe-based company before the government seized control of it.

News of last week’s meeting comes as British steelmakers face an anxious wait to learn whether their exports to the US face swingeing tariffs as part of US President Donald Trump’s trade war.

Sky News’s economics and data editor, Ed Conway, revealed this week that the UK would miss a White House-imposed deadline to agree a trade deal on steel and aluminium this week.

Read more from Sky News:
Is Britain going bankrupt?
Public finances in ‘relatively vulnerable position’, OBR warns

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Jingye declined to comment, while a spokesman for the Department for Business and Trade said: “We acted quickly to ensure the continued operations of the blast furnaces but recognise that securing British Steel’s long-term future requires private sector investment.

“We have not nationalised British Steel and are working closely with Jingye on options for the future, and we will continue work on determining the best long-term sustainable future for the site.”

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