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We’re rolling out one genuine use case for AI and crypto each day this week — including reasons why you shouldn’t necessarily believe the hype. Today: How blockchain can fight the fakes.

Generative AI is extremely good at generating fake photos, fake letters, fake bills, fake conversations — fake everything. Near co-founder Illia Polosukhin warns that soon, we won’t know which content to trust.

“If we don’t solve this reputation and authentication of content (problem), shit will get really weird,” Polosukhin explains. “You’ll get phone calls, and you’ll think this is from somebody you know, but it’s not.”

“All the images you see, all the content, the books will be (suspect). Imagine a history book that kids are studying, and literally every kid has seen a different textbook — and it’s trying to affect them in a specific way.”

Blockchain can be used to transparently trace the provenance of online content so that users can distinguish between genuine content and AI-generated images. But it won’t sort out truth from lies.

“That’s the wrong take on the problem because people write not-true stuff all the time. It’s more a question of when you see something, is it by the person that it says it is?” Polosukhin says.

“And that’s where reputation systems come in: OK, this content comes from that author; can we trust what that author says?”

“So, cryptography becomes an instrument to ensure consistency and traceability and then you need reputation around this cryptography — on-chain accounts and record keeping to actually ensure that ‘X posted this’ and ‘X is working for Cointelegraph right now.’”

If it’s such a great idea why isn’t anyone doing it already?

There are a variety of existing supply chain projects that use blockchain to prove the provenance of goods in the real world, including VeChain and OriginTrail.

However, content-based provenance has yet to take off. The Trive News project aimed to crowdsource article verification via blockchain, while the Po.et project stamped a transparent history of content on the blockchain, but both are now defunct 

More recently, Fact Protocol was launched, using a combination of AI and Web3 technology in an attempt to crowdsource the validation of news. The project joined the Content Authenticity Initiative in March last year

When somebody shares an article or piece of content online, it is first automatically validated using AI and then fact-checkers from the protocol set out to double-check it and then record the information, along with timestamps and transaction hashes, on-chain.

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“We don’t republish the content on our platform, but we create a permanent, on-chain record of it, as well as a record of the fact-checks conducted and the validators for the same,” founder Mohith Agadi told The Decrypting Story. 

And in August, global news agency Reuters ran a proof-of-concept pilot program that used a prototype Canon camera to store the metadata for photos on-chain using the C2PA standard.

It also integrated Starling Lab’s authentication framework into its picture desk workflow. With the metadata, edit history and blockchain registration embedded in the photograph, users can verify a picture’s authenticity by comparing its unique identifier to the one recorded on the public ledger.

Academic research in the area is ongoing, too. 

Is blockchain needed?

Technically, no. One of the issues hamstringing this use case is that you actually don’t need blockchain or crypto to prove where a piece of content came from. However, doing so makes the process much more robust.

So, while you could use cryptographic signatures to verify content, Polosukhin asks how the reader can be certain it is the right signature? If the key is posted on the originating website, someone can still hack that website.

Web2 deals with these issues by using trusted service providers, he explains, “but that breaks all the time.”

“Symantec was hacked, and they were issuing SSL certificates that were not valid. Websites are getting hacked — Curve, even Web3 websites are getting hacked because they run on a Web2 stack,” he says.

“So, from my perspective, at least, if we’re looking forward to a future where this is used in malicious ways, we need tools that are actually resilient to that.”

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Don’t believe the hype

People have been discussing this use case for blockchain to fight “disinformation” and deep fakes long before AI took off, and there has been little progress until recently. 

Microsoft has just rolled out its new watermark to crack down on generative AI fakes being used in election campaigns. The watermark from the Coalition for Content Provenance Authenticity is permanently attached to the metadata and shows who created it and whether AI was involved.

The New York Times, Adobe, the BBC, Truepic, Washington Post and Arm are all members of C2PA. However, the solution doesn’t require the use of blockchain, as the metadata can be secured with hashcodes and certified digital signatures.

That said, it can also be recorded on blockchain, as Reuter’s pilot program in August demonstrated. And the awareness arm of C2PA is called the Content Authenticity Initiative, and Web3 outfits, including Rarible, Fact Protocol, Livepeer and Dfinity, are CAI members flying the flag for blockchain.

Also read:

Real AI use cases in crypto, No. 1: The best money for AI is crypto
Real AI use cases in crypto, No. 2: AIs can run DAOs
Real AI use cases in crypto, No. 3: Smart contract audits & cybersecurity

Andrew Fenton

Andrew Fenton

Based in Melbourne, Andrew Fenton is a journalist and editor covering cryptocurrency and blockchain. He has worked as a national entertainment writer for News Corp Australia, on SA Weekend as a film journalist, and at The Melbourne Weekly.

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‘My lawyers are ready’ for questions about corruption claims, ex-minister tells Sky News

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'My lawyers are ready' for questions about corruption claims, ex-minister tells Sky News

Tulip Siddiq has told Sky News her “lawyers are ready” to handle any formal questions about allegations she is involved in corruption in Bangladesh.

Asked whether she regrets apparent links with the Bangladeshi Awami League political party, Ms Siddiq said “why don’t you look at my legal letter and see if I have any questions to answer… [the Bangladeshi authorities] have not once contacted me and I’m waiting to hear from them”.

The London MP resigned as a Treasury minister in January after being named in several corruption inquiries in Bangladesh.

In her first public comments since leaving government, Ms Siddiq said “there’s been allegations for months on end and no one has contacted me”.

Last month, the interim leader of Bangladesh told Sky News the MP had “wealth left behind” in the country “and should be made responsible”.

Lawyers acting for Ms Siddiq wrote to the Bangladeshi Anti Corruption Commission (ACC) several weeks ago saying the allegations were “false and vexatious”.

The letter said the ACC must put questions to Ms Siddiq “by no later than 25 March 2025” or “we shall presume that there are no legitimate questions to answer”.

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Staff from the NCA visited Bangladesh as part of initial work to support the interim government in the country.

In a post online today, the former minister said the deadline had expired and the authorities had not replied.

Sky News has approached the Bangladeshi government for comment.

The allegations against Ms Siddiq are focused on links to her aunt Sheikh Hasina – who served as the prime minister of Bangladesh for 20 years.

Ms Hasina was forced to flee the country in August following weeks of deadly protests.

She is accused of becoming an autocrat, with politically-motivated arrests, extra-judicial killings and other abuses allegedly happening on her watch. Hasina claims it’s all a political witch hunt.

Electrocuted on their genitals and mouths sewn up: Inside Bangladesh’s ‘death squad’ jails

Ms Siddiq was found to have lived in several London properties that had links back to the Awami League political party that her aunt still leads.

She referred herself to the prime minister’s standards adviser Sir Laurie Magnus who said he had “not identified evidence of improprieties” but added it was “regrettable” Ms Siddiq had not been more alert to the “potential reputational risks” of the ties to her aunt.

Ms Siddiq said continuing in her role would be “a distraction” for the government but insisted she had done nothing wrong.

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Former New York governor advised OKX over $505M federal probe: Report

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Former New York governor advised OKX over 5M federal probe: Report

Former New York governor advised OKX over 5M federal probe: Report

Cryptocurrency exchange OKX reportedly hired former New York Governor Andrew Cuomo to advise it over the federal probe that resulted in the firm pleading guilty to several violations and agreeing to pay $505 million in fines and penalties.

Cuomo, a New York-registered attorney, advised OKX on legal issues stemming from the probe sometime after August 2021 when he resigned as New York overnor, Bloomberg reported on April 2, citing people familiar with the matter.

“He spoke with company executives regularly and counseled them on how to respond to the criminal investigation,” Bloomberg said.

The Seychelles-based firm pled guilty to operating an unlicensed money-transmitting business in violation of US Anti-Money Laundering laws on Feb. 24 and agreed to pay $84 million worth of penalties while forfeiting $421 million worth of fees earned from mostly institutional clients.

The breaches occurred from 2018 to 2024 despite OKX having an official policy preventing US persons from transacting on its crypto exchange since 2017, the Department of Justice noted at the time.

A spokesperson for Cuomo, Rich Azzopardi, told Bloomberg that Cuomo has been providing private legal services representing individuals and corporations on a variety of matters since resigning as New York governor.

“He has not represented clients before a New York city or state agency and routinely recommends former colleagues for positions,”  Azzopardi added.

OKX reportedly wasn’t willing to comment on its relationships with outside firms.

Cuomo also influenced OKX to make executive appointments: Bloomberg

Cuomo, who is now running for mayor of New York City, also advised OKX to appoint his friend US Attorney Linda Lacewell to OKX’s board of directors, Bloomberg said.

Lacewell, a former superintendent of the New York Department of Financial Services, was added to the board in 2024 and was named OKX’s new chief legal officer on April 1, according to a recent company statement.

Former New York governor advised OKX over $505M federal probe: Report

Source: Linda Lacewell

Related: New York bill aims to protect crypto investors from memecoin rug pulls

After the investigation concluded, OKX said it would seek out a compliance consultant to remedy the issues stemming from the federal probe and bolster its regulatory compliance program.

“Our vision is to make OKX the gold standard of global compliance at scale across different markets and their respective regulatory bodies,” OKX CEO Star Xu said in a Feb. 24 X post.

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Trump imposes 10% tariff on all countries, reciprocal levies on trading partners

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Trump imposes 10% tariff on all countries, reciprocal levies on trading partners

Trump imposes 10% tariff on all countries, reciprocal levies on trading partners

United States President Donald Trump signed an executive order establishing reciprocal tariffs on trading partners and a 10% baseline tariff on all imports from all countries.

The reciprocal levies on will be approximately half of what trading partners charge for US imports, Trump said. For example, China currently has a tariff of 67% on US imports, so US reciprocal tariffs on Chinese goods will be 34%. Trump also announced a standard 25% tariff on all automobile imports.

Trump told the media that tariffs would return the country to economic prosperity seen in previous centuries:

“From 1789 to 1913, we were a tariff-backed nation. The United States was proportionately the wealthiest it has ever been. So wealthy, in fact, that in the 1880s, they established a commission to decide what they were going to do with the vast sums of money they were collecting.”

“Then, in 1913, for reasons unknown to mankind, they established the income tax so that citizens, rather than foreign countries, would start paying,” Trump said.

Economy, US Government, United States, Donald Trump

Full breakdown of reciprocal tariffs by country. Source: Cointelegraph

Trump presented the tariffs through the lens of economic protectionism and hinted at returning to the economic policies of the 19th century by using them to replace the income tax.

Related: Bitcoin rally to $88.5K obliterates bears as spot volumes soar — Will a tariff war stop the party?

Trump proposes eliminating federal income tax and replacing it with tariff revenue

Trump proposed the idea of abolishing the Internal Revenue Service (IRS) and funding the federal government exclusively through trade tariffs while still on the campaign trail in October 2024.

According to accounting automation company Dancing Numbers, Trump’s plan could save each American taxpayer $134,809-$325,561 in taxes throughout their lives.

Economy, US Government, United States, Donald Trump

US President Donald Trump addresses the media about reciprocal trade tariffs at the April 2 press event. Source: Fox 4 Dallas

The higher range of the tax savings estimate will only occur if other wage-based taxes are eliminated at the state and municipal levels.

Commerce Secretary Howard Lutnick, who assumed office in February, also voiced support for replacing the IRS with the “External Revenue Service.”

Lutnick said that the US government cannot balance a budget yet consistently demands more from its citizens every year. Tariffs will also protect American workers and strengthen the US economy, he said.

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