USPTO

Visa headquarters in Foster City, California. (Wonderlane/Creative Commons)
Visa Files Trademark Applications for Crypto Wallets, NFTs and the Metaverse
The move follows that of other large corporations and payment companies including American Express.
Visa headquarters in Foster City, California. (Wonderlane/Creative Commons)

Amazon
Amazon Wins Patent for Proof-of-Work Cryptographic System
Tech giant Amazon has been granted a patent for a proof-of-work (PoW) cryptographic system similar to those used by many blockchains.
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PayPal
PayPal Wins Patent for Way to Defend Against Crypto Ransomware
Online payments giant PayPal has been awarded a patent for a technique that could detect a type of crypto malware and mitigate its effects.
PayPal

"Unlike many other markets, cryptocurrencies trade 24/7, thereby requiring traders to make decisions at all times throughout the day," Capital One wrote in its filing. (Shutterstock)
Capital One Seeks Blockchain Patent for 'Collaborative' Authentication Tool
In a patent filing released Thursday, Capital One set out a blockchain system its says allows secure user authentication across multiple platforms.
"Unlike many other markets, cryptocurrencies trade 24/7, thereby requiring traders to make decisions at all times throughout the day," Capital One wrote in its filing. (Shutterstock)

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Microsoft Looks to Trusted Computing for Blockchain Security Boost
The phrase "trusted execution environment" is identified in two Microsoft patent applications to be a key component in future blockchain projects.
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Intuit Scores Patent for Processing Bitcoin Payments With Text Messages
California-based business and financial software company Intuit has been awarded a patent for processing bitcoin payments via text message.
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A Japanese Telecom Giant Wants to Use Blockchain to Store Contracts
Nippon Telegraph and Telephone is looking to invent a new contract agreements system based on blockchain technology.
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Barclays Seeks Twin Blockchain Patents for Banking Services
Barclays Bank proposed using blockchain to make various banking processes more efficient in a pair of patent applications.
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mastercard
Mastercard Wins Patent for Speeding Up Crypto Payments
Mastercard is looking to improve crypto by designing a payments system that will link accounts holding both fiat currency and cryptocurrencies.
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American Express Thinks Blockchains Could Help Prove Payments
Credit card giant American Express may be looking into developing a new proof-of-payment (PoP) system based on blockchain technology.
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