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Vitalik Buterin Pays Attention to New NFT Privacy Proposal

In a new proposal, NFT transactions on the Ethereum network would be hidden using stealth addresses in a new ERC-721 extension.



Ethereum researcher Anton Wahrstätter created a new proposal for an ERC-721 modification that would feature “stealth” addresses to conceal public blockchain transactions involving non-fungible tokens, which were inspired by Vitalik Buterin’s concept of non-transferable Soulbound tokens (NFTs).

To implement stealth addresses for ERC-721 coins, the NFT standard currently used by Ethereum,

Wahrstätter suggests using zk-SNARKs, a privacy-focused kind of cryptography.

The proposal allows for sending, storing, and burning NFTs without leaving much of the transaction details visible on the public blockchain by inserting part of a stealth address—basically a one-time address for every transaction—into a Merkle tree, a data structure used for data verification and synchronization.

Even though Wahrstätter’s idea is still at the conceptual stage, Vitalik Buterin, one of Ethereum’s co-founders, has expressed interest in it and called it “a low-tech solution to add a large amount of anonymity to the NFT ecosystem.”

Therefore, only I (the new owner) would be able to know who the new owner is if you sent an NFT to vitalik.eth, he explained in a tweet on Monday.

Source: Twitter

Wahrstätter’s notion, however, was met with some criticism from Buterin, who said that the concept of anonymous NFT transactions could likely be implemented “with significantly lighter-weight technology.”

He responded to the suggestion by stating that “there is no possibility of generating a ‘anonymity set’ for an ERC-721, therefore you don’t require Merkle trees or ZK-SNARK-level privacy.”

Instead, Buterin explained, “you simply want to hide the link to the sender’s and recipient’s highly visible public identity (so, you can send an ERC-721 to “vitalik.eth” and I can see it, but no one else can see that vitalik.eth received an ERC-721; they will only see that someone received an ERC-721).”

Finding a way to pay fees is the “one remaining barrier,” according to the co-founder of Ethereum.

“The best I can come up with is that if you send someone an ERC-721, also send enough ETH along to cover the fees for sending it further five to fifty times. “If you receive an ERC-721 with insufficient ETH, you can tornado some ETH in to maintain the transfer chain,” he advised.

The final statement made by Buterin discussed the usage of Tornado Cash, a privacy feature created to conceal the source of Ethereum transactions by fusing users’ money.

The U.S. Treasury Department sanctioned the mixing service on Monday by putting it to the Specially Designated Nationals list along with a list of Ethereum addresses. This brought Tornado Cash to public attention. As a result, American individuals are no longer permitted to use the tool or conduct business at these addresses.

Tornado Cash, like any other technology, “can be used for bad and good,” said Preston Van Loon, an Ethereum core developer, to Decrypt. However, the move also comes amid a broader discussion over privacy and transparency in the cryptocurrency world.


At a London event, an NFT vending machine will increase accessibility to digital art

The NFT vending machine at this year’s NFT.London event will give its profits to a good cause.



The first-ever physical nonfungible token (NFT) vending machine will be on display at this year’s NFT.London conference, which is set for November 2-4.

The NFT platform aims to give anyone who wish to start buying and trading digital assets a simple and accessible way to do so without requiring them to have a thorough understanding of the Web3 sector. Users won’t need to have a digital wallet to buy an NFT from the vending machine.

Users must choose one of the shown envelopes before entering the code to acquire an NFT from the myNFT vending machine. After making their purchase, users can scan the QR code on the envelope to access an invitation to create a myNFT account, which includes an NFT wallet where they can store their NFT.

“The most convenient method to buy anything is through a vending machine, so we’re shattering the impression that buying an NFT is difficult with this campaign,” said Hugo Mcdonaugh, CEO of myNFT.

The first collection of contributed NFTs from myNFT, which includes names like Dr. Who Worlds Apart, Thunderbirds, and Delft Blue Night Watch, will be available for purchase by interested participants.

The actual NFT vending machine will be situated outside the Queen Elizabeth II Centre, Westminster, London, which is where the NFT.London conference will take place.

The revenue from the NFT vending machine will go to two charities: Roald Dahl’s Marvellous Children’s Charity, which provides specialized nurses to seriously ill children, and Giveth, a blockchain-based philanthropic community that supports public goods, services, and education in developing countries.

The Solana, California-based NFT marketplace Neon introduced a 24-hour NFT vending machine in the financial sector of New York City in February, according to Cointelegraph. This machine took credit and debit card payments. However, people complained that neither the NFT vending machine nor the NFT performed as promised after a week had passed after its introduction.

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Could this trademark application indicate that PayPal is developing an NFT market? 

A trademark application for blockchain and cryptocurrency technology has been submitted by PayPal. Some claim that the file has something to do with Web3 and the metaverse, although it may be tied to an NFT marketplace.



A recent trademark application by PayPal has been found, and it suggests the development of a service pertaining to several facets of blockchain technology. The file, which was made on October 18, makes a notable allusion to the potential introduction of a non-fungible token (NFT) market.

For its logo, PayPal submitted two trademark applications. The first one concerns “downloadable software” for cryptocurrency trading and storage. The second discusses cryptocurrency-related payment processing services.

Although users may currently buy cryptocurrencies on PayPal’s platform, this filing suggests that there may be more to come. The concept of assets is substantially broader in the filing’s terminology. Mike Kondoudis, a trademark lawyer licensed by the USPTO, claimed on Twitter that this filing relates to NFTs and the metaverse.

Although there is no proof to support this, it would not be shocking if it were true. The finance business would be adding its name to a lengthy list of businesses that are starting to make inroads into the Web3 and metaverse spaces.

PayPal is investing more in cryptocurrency.
Over the past two years, PayPal has intensified its focus on cryptocurrencies. First, the company made a huge announcement for the industry by saying that consumers would be able to purchase cryptocurrency on its platform.

However, it didn’t start enabling users to move those funds into wallets outside of the network until recently. It indicated that it would roll out additional crypto-related features in the latter part of last year. One of those additions might be an NFT marketplace.

It teamed up with Coinbase’s TRUST network more recently. This was viewed by many as an endorsement of the sector. The TRUST network upholds consumer security and privacy while adhering to the banking industry’s Travel Rule.

Increased Criticism of Payment Giant
Additionally, PayPal has been in the spotlight for all the incorrect reasons. The business has recently come under fire for a contentious policy that penalized users for disseminating false information. Later, it claimed that false information was released with the amended policy. Crypto aficionados, however, were eager to point to this as evidence of the value of decentralization.

PayPal established a blockchain and cryptocurrency advisory committee earlier this year. According to the company’s management, working with governments is essential to overcoming obstacles and seizing possibilities.

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Seba Bank, a cryptocurrency company, aims to store valuable NFTs

Seba Bank, a cryptocurrency company, has launched its first NFT service, a blue-chip NFT-specific institutional-grade, certified, and independently audited hot and cold storage custody product.



The launch comes in response to requests from customers to keep their NFTs with the bank alongside other crypto assets, such as the already-approved Bored Ape Yacht Club, Cryptopunk, and Clone X NFTs. The bank stated that new collections would be added based on customer demand.

With its newest offering, Seba Bank seeks to entice investors who view NFTs as an asset class and crypto natives. Not your keys, not your bitcoin is a well-known phrase in the crypto sphere, and adherents of this maxim could object to having their Apes or Punks stored with a third-party custodian.

Urs Bernegger, co-head of markets and investment solutions at Seba Bank, however, highlights a growing group of NFT holders who are more at ease handing up their NFTs and private keys to a company.

They don’t want the key because they aren’t even aware of how to handle and store it. He claimed that they’re more concerned with damaging the key than giving it to a bank.

It’s a significant issue. Between 2.3 million and 3.7 million bitcoins, according to Chainalysis, are trapped in inaccessible wallets. Numerous accounts of people have lost millions owing to losing private keys, including Russian officials, students, and engineers. Families have also been prevented from accessing substantial quantities of money following sudden deaths in which wallet owners had not disclosed their private keys.

Bernegger asserts institutional custody can be advantageous for native crypto users as well. There has been an increase in businesses providing services that employ NFTs as collateral for conventional banking services like loans.

Seba Bank is thinking about implementing these features in the future. Based in the crypto-friendly Swiss town of Zug, the four-year-old bank already backs several investing, credit, lending, and staking options for cryptocurrencies and might extend them to NFTs.

“Instead of traveling to the market, for instance, we could create a club for collectors and assist them in finding other collectors. There are a few things we have in mind, but we laid the groundwork by storing NFTs securely at first, “explained he.

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