Unblocked rises to a US$90 million valuation following a US$10 million seed round led by Tiger Global and Penske Media Corp.
Blockchain
An NFT on OpenSea Can Steal Your IP Address
An NFT found on the OpenSea marketplace can steal visitors’ IP addresses, according to a repot from Motherboard.
Of course, websites often collect and store visitors’ IP addresses in virtue of how the sites function. OpenSea itself likely collects the IP addresses of visitors, like plenty of other sites, apps, or services. But here, an outside third party—the NFT seller—is able to gather information themselves on the people viewing the NFT, potentially without them knowing.
MultiChain Hack Still Affecting Customers a Week Later
The Multichain hack is still affecting crypto users a week later, despite promises from the company that it had been contained.
Congress Explores Blockchain Energy Usage From Mining
On January 20, the Oversight and Investigations subcommittee of the U.S. Congress House Energy and Commerce Committee discussed blockchain energy usage and other concepts related to mining and consensus.
Representatives then took to the floor with statements and questions. A few used their time for partisan attacks and political grandstanding, yet most made an honest effort to ask questions that either tackled the energy-related issues at the core of the hearing or sought broader context on the uses and potential applications of blockchain technology.
Cool Stuff Found
Twitter NFT Profile Photos Roll Out to iOS Subscribers
Twitter NFT profile photos are rolling out to members of the Twitter Blue subscription in the U.S., Canada, Australia, and New Zealand.
At launch, Coinbase Wallet, Rainbow, MetaMask, Ledger Live, Argent, and Trust Wallet are supported. After authenticating, you’ll select the NFT you want to showcase. Twitter says that, currently, JPEG and PNG NFTs minted on the Ethereum (ERC-721 or ERC-1155 tokens) can be used as NFT Profile Pictures.
'Orchid' Nanopayments for VPN Support 8 More Blockchains
Orchid nanopayments for its VPN service can now be bridged onto eight additional blockchains via the company’s layer 2 system.
'Cash App' From Block Now Supports Bitcoin Lightning Network
Block, formerly known as Square, has added support for Bitcoin’s Lightning Network upgrade. This lets users send bitcoin to anyone around the world within seconds.
The Lightning integration is made possible by the Lightning Development Kit created by Spiral, which is funded by Block. Cash App customers will also be able to send bitcoin to any compatible wallet that accepts Lightning Network payments, without being charged fees.
Hackers Scam Blockchain City Group 'CityDAO' and Stole Funds
CityDAO, a group that bought 40 acres of land in Wyoming to build a blockchain-based city, has gotten hacked this week.
What is Web3? Explaining the Technology Stack in This New Ecosystem
A recent report from Coinbase examines the web3 stack, or the various protocols and blockchain technologies that make up the ecosystem.
Where a third party like Facebook owns your identity and data in Web2, your identity in Web3 can move fluidly between platforms without your data being captured and monetized by service providers. While Web2 apps are centrally controlled, tokens in Web3 grant users the right to help govern the services they use, representing a form of ownership in the platforms themselves.
Cool Stuff Found
First Crypto Single Sign-On Option Launches for Ethereum, Polygon
Unstoppable Domains has launched the first-ever crypto Single Sign-On (SSO) option for Ethereum and Polygon.