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万事达卡新专利,通过区块链匿名化电子支付

就像美国国土安全部宣布计划开发加密货币交易的取证技术一样,万事达卡也加入了区块链开发大军,但计划和美国国土安全部的计划正好相反。

根据最近万事达卡专利申请显示,这家支付基础设施提供商想要通过区块链匿名化“电子交易”。该专利解释了该系统如何模糊特定交易中涉及的资金的来源和数量。

万事达卡的想法听起来非常像“混音器”或“滚筒”,这是一个网络犯罪分子经常用来清洗脏加密货币的系统。实际上,它通过为交易提供主要地址来工作,然后该地址存储交易数据,包括金额和最终目的地地址。同时,使用新的私钥创建新的交易和数字签名,此新交易负责确保资金到达所需人员。

因此,当您收到资金时,发件人地址将与MasterCard系统相关联,而不是发件人的身份。通过将交易分成许多部分,交易金额也有可能是匿名的,即通过匿名传输多少来进一步模糊交易。但应该注意的是,万事达卡并未明确声明该系统将用于加密货币交易。

该专利申请使用术语“交易”,该系统有可能用于匿名法定交易。但是专利并不总是能够实现,但这可能是万事达卡的一项事先预防措施,以防止竞争对手首先建立匿名数字交易系统。

Just as the US Department of Homeland Security announced plans to develop forensic techniques to deanonymize cryptocurrency transactions, MasterCard has thrown a spanner in the works with plans for the exact opposite.

According to a recent patent application, the payment infrastructure provider wants to anonymize “electronic transactions via blockchain.”

The patent explains how the system would obscure the origin and amount of funds involved in a given transaction.

MasterCard‘s idea sounds an awful lot like a mixer or tumbler – a system often used by cybercriminals to launder dirty cryptocurrency.

Effectively, it works by providing a primary address for a transaction, this address then stores the transaction data including the amount and final destination address.

Meanwhile, a new transaction and digital signature is created, with a new private key. This new transaction is responsible for ensuring the funds reach the desired person.

As a result, when you receive funds the sender address will be associated with the MasterCard system, and not the identity of the sender.

There is also the possibility for transaction amounts to be made anonymous by cutting up a transaction into many parts. This further obscures a transaction by anonymizing how much is being transferred.

It should be noted though, that MasterCard do not specifically state that this system will be used for cryptocurrency transactions.

The patent application uses the term “transaction” rather ambiguously. There is the potential that this system could be used to anonymize fiat transactions. Although, I don’t see many governments getting on board with that idea.

Though we should remember that patents don’t always come to fruition, so this could be a power move from MasterCard to prevent anyone else from making a system for anonymous digital transactions first.

Indeed, it’s not the first time MasterCard has filed a blockchain-based patent. Recently, the payment provider also logged a patent request for a system to speed up cryptocurrency transactions.

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