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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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First Chinese CNH stablecoin debuts as global race heats up

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First Chinese CNH stablecoin debuts as global race heats up

First Chinese CNH stablecoin debuts as global race heats up

Governments around the world are exploring and launching stablecoins to remain competitive against dollar-pegged digital fiat tokens.

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Sir Ed Davey brands Elon Musk a criminal and calls for his arrest for ‘allowing online harm to children’

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Sir Ed Davey brands Elon Musk a criminal and calls for his arrest for 'allowing online harm to children'

Sir Ed Davey has branded Elon Musk a criminal and called for him to be prosecuted for “allowing online harm to children” on his social media platform X.

The Lib Dem leader told Sky News’ Sunday Morning with Trevor Phillips the billionaire owner of X, formerly Twitter, is “inciting violence” and his social media platform is actively failing to protect children.

Sir Ed, speaking from the Lib Dem conference in Bournemouth, said Mr Musk could be prosecuted under the Online Safety Act, under which social media companies have a legal duty to protect children from harmful content and their directors are liable for criminal prosecution for breaching it.

Elon Musk. Pic: Reuters
Image:
Elon Musk. Pic: Reuters

Asked if he is calling Mr Musk a criminal, Sir Ed did not miss a beat as he said: “Yes.

“Not just because of the awful things he’s done in inciting violence, and, for example, he says a civil war in our country is inevitable, that our democratically elected government should be overthrown.

“They were bad enough. But on his platform, they’re examples of adverse, pushing people on self-harm, on grooming, even selling videos showing paedophile acts, of child sex abuse acts and I think he should be held to account for them, him personally and his business.

“Ofcom now has the powers under the Online Safety Act.”

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He said if Mr Musk comes to the UK, he should be arrested.

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Sir Ed Davey enters conference with marching band

Mr Musk was accused of inciting violence during a march organised by Tommy Robinson in London last week.

He told the protest via video link: “This is a message to the reasonable centre, the people who ordinarily wouldn’t get involved in politics, who just want to live their lives. They don’t want that, they’re quiet, they just go about their business.

“My message is to them: if this continues, that violence is going to come to you, you will have no choice. You’re in a fundamental situation here.

“Whether you choose violence or not, violence is coming to you. You either fight back or you die, that’s the truth, I think.”

Sir Ed Davey said Elon Musk should be arrested
Image:
Sir Ed Davey said Elon Musk should be arrested

Sir Ed said it is “shocking” that Mr Musk removed some of X’s child safety teams when he took over Twitter in 2022 and accused him of just being “interested in his bank account”.

“I’m interested in the safety of our children, and it is quite wrong that his business puts on these adverts,” said the Lib Dem leader.

“It’s disgusting and I hope everybody will agree with me and the Liberal Democrats that we should take really strong action against him.”

After Mr Musk acquired Twitter, many of its child safety staff were laid off or resigned, and the platform’s trust and safety council was disbanded.

Child protection experts have accused Mr Musk of leading a “race to the bottom on safety”.

Elon Musk with Donald Trump in the Oval Office. Pic: AP
Image:
Elon Musk with Donald Trump in the Oval Office. Pic: AP

Ofcom, the UK’s independent media regulator, which has the power to prosecute directors of social media platforms under the Online Safety Act, has launched an investigation into X’s handling of child sexual abuse content.

This is not the first time Sir Ed has hit out at the world’s richest man, as he called for the US ambassador to be summoned in February “to ask why an incoming US official is suggesting the UK government should be overthrown”.

Mr Musk reacted by calling Sir Ed a “snivelling cretin”.

Sir Ed is expected to reiterate his call for Mr Musk’s arrest at his conference speech on Tuesday.

Pic: Reuters
Image:
Pic: Reuters

He will accuse Mr Musk of being motivated by “his own ego, power and wealth, rather than the rights and freedoms of the British people”.

The Lib Dems will also table a parliamentary motion summoning Mr Musk to the House of Commons “to be reprimanded for his actions”.

Sky News has approached X and Elon Musk for comment, but as of publication has received no response.

X maintains it has “zero tolerance for child sexual abuse material” and claims tackling those who exploit children is a “top priority”.

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Sir Keir Starmer set to announce formal recognition of Palestine as a state

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Starmer to announce formal recognition of Palestine as a state

The UK will formally recognise Palestine as a state, it is understood.

Sir Keir Starmer is expected to make the announcement today after he said in July that the government would make the move unless Israel met certain conditions.

The prime minister had called on Benjamin Netanyahu’s government to take substantive steps to end the “appalling situation in Gaza“, agree to a ceasefire, commit to a long-term sustainable peace, allow the UN to restart the supply of aid, and not annex the West Bank.

The Israeli foreign ministry furiously rejected his statement, with Mr Netanyahu claiming that “Starmer rewards Hamas‘s monstrous terrorism and punishes its victims”.

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Could recognition of Palestine change the West Bank?

Ilay David, brother of Hamas hostage Evyatar David, who was seen emaciated in a video last month, said giving recognition was “like saying to Hamas: ‘It is OK, you can keep starving the hostages, you can keep using them as human shields.’

“This kind of recognition gives Hamas power to be stubborn in negotiations. That is the last thing we need right now.”

There has been no ceasefire, and the situation in Gaza has deteriorated, with a declaration of a famine in Gaza City and the expansion of Israeli military operations.

Israel has launched a major ground offensive to seize all of Gaza City and destroy Hamas in an operation which has prompted widespread condemnation, with UK Foreign Secretary Yvette Cooper calling it “utterly reckless and appalling”.

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What changed in UK’s Gaza policy?

Earlier this month, a UN commission of inquiry concluded that Israel has committed genocide against Palestinians in Gaza. Israel said the claim was “distorted and false”.

The UK will join 147 of the 193 members of the UN who recognise Palestine ahead of the UN General Assembly in New York on Monday.

Other nations, including France, Australia and Canada, have said they plan to take the same step at the UN gathering as part of a broad international effort to put pressure on Israel.

And the Muslim Council of Britain welcomed the prime minister’s move, but urged that recognition must also come with “tangible action”.

During a joint news conference with the prime minister at Chequers on Thursday, Donald Trump said he disagreed with recognition, and US politicians have urged the UK and other allies to reverse their stance.

Sir Keir Starmer is expected to formally announce the move on Sunday. Pic: PA
Image:
Sir Keir Starmer is expected to formally announce the move on Sunday. Pic: PA

Sky News understands that Israel is considering options in response to the UK’s decision, but the strength of that reaction is still under consideration.

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Family members of some of the 48 hostages still in captivity, after Hamas and other militant groups stormed into Israel on 7 October 2023, have written an open letter to Sir Keir, condemning the move.

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Israel ramps up attacks on Gaza City

“Hamas has already celebrated the UK’s decision as a victory and reneged on a ceasefire deal,” they said.

“We write to you with a simple plea – do not take this step until our loved ones are home and in our arms.”

Meanwhile shadow foreign secretary Dame Priti Patel accused the prime minister of “capitulating” to his backbenchers to shore up his leadership.

“With the terrorist organisation Hamas still holding hostages in barbaric conditions and glorifying acts of terror, Starmer is sending a dangerous message, where violence and extremism are tolerated and rewarded,” she said.

The UK government is understood to be looking at further sanctions on Hamas, and has demanded the group release all hostages, agree to an immediate ceasefire, accept it will have no role in governing Gaza, and commit to disarmament.

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